Publications

Journal Articles

83) H. B. Jalali, S. Sadeghi, A. Onal, S. Nizamoglu, “Past, Present and Future of Indium Phosphide Quantum Dots,” Nano Research (2021). (Accepted)

82) S. Sadeghi, G. O. Eren, S. Nizamoglu, “Strategies for Improving Performance, Lifetime, and Stability in Light-Emitting Diodes Using Liquid Medium,” Chemical Physics Reviews 2, 041302 (2021). Click Here [Selected as a Featured Article]

81) I. B. Dogru-Yuksel, C. Jeong, B. Park, M. Han, J. S. Lee, T. Kim, S. Nizamoglu, “Silk Nanocrack Origami for Controllable Random Lasers,” Advanced Functional Materials 2104914 (2021).   Click Here [Selected as the Front Cover]

80) G. O. Eren, S. Sadeghi, H. B. Jalali, M. Ritter, M. Han, I. Baylam, R. Melikov, A. Onal, F. Oz, M. Sahin, C. Ow-Yang, A. Sennaroglu, R. Lechner, S. Nizamoglu, “Cadmium-free and Efficient Type-II InP/ZnO/ZnS Quantum Dots and Their Application for LEDs,” ACS Applied Materials & Interfaces 13, 27, 32022–32030 (2021). Click Here

79) O. Karatum, M. M. Aria, G. O. Eren, E. Yildiz, R. Melikov, S. B. Srivastava, S. Surme, I. B. Dogru, H. B. Jalali, B. Ulgut, A. Sahin, I. H. Kavakli, S. Nizamoglu, “Nanoengineering InP Quantum Dot-based Photoactive Biointerfaces for Optical Control of Neurons,” Frontiers in Neuroscience 2, 19 (2021).  Click Here

78) M. Han, H. B. Jalali, E. Yildiz, M. H. Qureshi, A. Şahin, S. Nizamoglu, “Photovoltaic Neurointerface based on Aluminum Antimonide Nanocrystals,” Nature Communications Materials 2, 19 (2021).  Click Here

77) S. B. Srivastava, R. Melikov, E. Yildiz, U. M. Dikbas, S. Sadeghi, I. H. Kavakli, A. Sahin, S. Nizamoglu, “Bulk-Heterojunction Photocapacitors with High Open-circuit Voltage for Low Light Intensity Photostimulation of Neurons,” Journal of Materials Chemistry C 9, 1755 (2021). Click Here

76) H. B. Jalali, S. Sadeghi, I. Baylam, M. Han, C. W. Ow-Yang, A. Sennaroglu, S. Nizamoglu, “Exciton Recycling via InP Quantum Dot Funnels for Luminescent Solar Concentrators,” Nano Research 14, 1488–1494 (2021). Click Here

75) O. Karatum, G. O. Eren, R. Melikov, A. Onal, C. W. Ow-Yang, M. Sahin, S. Nizamoglu, “Quantum Dot and Electron Acceptor Nano-Heterojunction for Photo-induced Capacitive Charge-Transfer,” Scientific Reports 11, 2460 (2021). Click Here

74) S. Karahuseyinoglu, E. Sekerdag, M. M. Aria, Y. Cetin Tas, S. Nizamoglu, I. Solaroglu, Y. Gürsoy‐Özdemir, “Three‐Dimensional Neuron‐Astrocyte Construction on Matrigel Enhances Establishment of Functional Voltage Gated Sodium Channel,” Journal of Neurochemistry 156, 848–866 (2021). Click Here

73) G. O. Eren, S. Sadeghi, M. Shahzad, S. Nizamoglu, “Protocol on Synthesis and Characterization of Copper-Doped InP/ZnSe Quantum Dots as Ecofriendly Luminescent Solar Concentrators with High Performance and Large Area,” STAR Protocols (Cell Press), 2, 100664 (2021). Click Here

72)  I. B. Dogru-Yuksel, M. Han, G. Pirnat, E. S. Magden, E. Senses, M. Humar, S. Nizamoglu, “High-Q, Directional and Self-assembled Random Laser Emission Using Spatially Localized Feedback via Cracks,” APL Photonics 5, 106105 (2020). Click Here [Selected as Editor’s Pick & Published on the Cover of the APL Photonics (Oct. 2020) & Highlighted by SciLight]

71) R. Melikov, S. B. Srivastava, O. Karatum, I. B. Dogru-Yuksel, H. B. Jalali, S. Sadeghi, U. M. Dikbas, B. Ulgut, I. Kavakli, A. E. Cetin, S. Nizamoglu, “Plasmon-Coupled Photocapacitor Neuromodulators,” ACS Applied Materials & Interfaces 12, 32, 35940–35949 (2020). Click Here

70) M. Han, S. Srivastava, E. Yıldız, R. Melikov, S. Surme, I. B. Dogru-Yuksel, I. H. Kavakli, A. Sahin, S. Nizamoglu, “Organic Photovoltaic Pseudocapacitors for Neurostimulation,” ACS Applied Materials & Interfaces 12, 38, 42997–43008 (2020). Click Here

69) S. B. Srivastava, R. Melikov, E. Yildiz, M. Han, A. Sahin, S. Nizamoglu, “Efficient photocapacitors via ternary hybrid photovoltaic optimization for photostimulation of neurons,” Biomedical Optics Express 11, 5237-5248 (2020). Click Here

68) R. Melikov, S. B. Srivastava, O. Karatum, I. B. Dogru-Yuksel, U. M. Dikbas, I. H. Kavakli, S. Nizamoglu, “Bidirectional Optical Neuromodulation Using Capacitive Charge-Transfer,” Biomedical Optics Express 11, 6068-6077 (2020). Click Here

67) S. Sadeghi, R. Melikov, M. Sahin, S. Nizamoglu, “Cation Exchange Mediated Synthesis of Bright Au@ZnTe Core-shell Nanocrystals,” Nanotechnology 32, 025603 (2020). Click Here

66) S. Sadeghi, R. Melikov, D. Conkar, E. N. F. Karalar, S. Nizamoglu, “Ultra-efficient and High-quality White Light-emitting Devices Using Fluorescent Proteins in Aqueous Medium,” Advanced Materials Technologies 5, 2000061 (2020). [Selected as frontispiece] Click Here

65) S. Sadeghi, H. B. Jalali, S. B. Srivastava, R. Melikov, I. Baylam, A. Sennaroglu, S. Nizamoglu, “High-performance, Large-area and Ecofriendly Luminescent Solar Concentrators Using Copper-doped InP Quantum Dots,” iScience 23, 7, 101272 (2020). Click Here

64) M. Bicer, B. G. Kumar, R. Melikov, S. Sadeghi, I. Rangelow, E. B. Alaca, S. Nizamoglu, “Silk as a Biodegradable Resist for Field-Emission Scanning Probe Lithography,” Nanotechnology 31, 435303 (2020). Click Here

63) H. B. Jalali, O. Karatum, R. Melikov, U. M. Dikbas, S. Sadeghi, E. Yıldız, I. B. Dogru, G. O. Eren, C. Ergun, A. Sahin, I. H. Kavakli, S. Nizamoglu, “Biocompatible Quantum Funnels For Neural Photostimulation,” Nano Letters 19, 9, 5975-5981 (2019). Click Here

62) H. B. Jalali, S. Sadeghi, M. Sahin, H. Ozturk, C. Ow-Yang, S. Nizamoglu, “Colloidal Aluminum Antimonide Quantum Dots,” Chemistry of Materials 31, 13, 4743-4747 (2019). Click Here

61) S. B. Srivastava, R. Melikov, M. Aria, U. M. Dikbas, I. H. Kavakli, S. Nizamoglu, “Band Alignment Engineers Faradaic and Capacitive Photostimulation of Neurons without Surface Modification,” Physical Review Applied 11, 044012 (2019). Click Here

60) M. M. Aria, S. B. Srivastava, E. Sekerdag, U. M. Dikbas, S. Sadeghi, S. Pering, P. J. Cameron, Y. Gursoy-Ozdemir, I. H. Kavakli, S. Nizamoglu, “Perovskite-based Biointerfaces for Non-bias-assisted Photostimulation of Cells,” Advanced Materials Interfaces 1900758 (2019). Click Here

59) O. Karatum, H. B. Jalali, S. Sadeghi, R. Melikov, S. Srivastava, S. Nizamoglu, “Light-Emitting Devices Based on Type-II InP/ZnO Quantum Dots,” ACS Photonics 6, 4, 939-946 (2019). Click Here

58) S. Sadeghi, R. Melikov, H. B. Jalali, O. Karatum, S. Srivastava, D. Conkar, E. N. Firat-Karalar, S. Nizamoglu, “Ecofriendly and Efficient Luminescent Solar Concentrators Based on Fluorescent Proteins,” ACS Applied Materials and Interfaces 11, 9, 8710-8716 (2019). Click Here

57) S. Sadeghi, S. K. Abkenar, C. W. Ow-Yang, S. Nizamoglu, “Efficient White LEDs Using Liquid-state Magic-sized CdSe Quantum Dots,” Scientific Reports 9, 10061 (2019).  Click Here

56) S. Sadeghi, R. Melikov, H. B. Jalali, S. Nizamoglu, “Ultra-Efficient Green LEDs Using Quantum Dots in Liquid Matrix,” IEEE Transactions on Electron Devices 66, 11, 4784-4789 (2019). Click Here

55) H. B. Jalali, M. M. Aria, U. M. Dikbas, S. Sadeghi, G. B. Kumar, M. Sahin, I. H. Kavakli, C. Ow-Yang, S. Nizamoglu, “Effective Neural Photostimulation Using Indium-Based Type-II Quantum Dots” ACS Nano 12, 8, 8104–8114 (2018). Click Here

54) S. Sadeghi, B. G. Kumar, R. Melikov, M. M. Aria, H. B. Jalali, S. Nizamoglu, “Quantum Dot White LEDs with High Luminous Efficiency,” Optica 5, 793-802 (2018). Click Here

53) S. Sadeghi*, H. B. Jalali*, R. Melikov, G. B. Kumar, M. M. Aria, C. Ow-Yang, S. Nizamoglu, “Stokes-shift-engineered Indium Phosphide Quantum Dots for Efficient Luminescent Solar Concentrators,” ACS Applied Materials & Interfaces 10, 15, 12975-12982 (2018). (* equally contributed) Click Here

52) I. B. Dogru, R. Melikov, S. Nizamoglu, “Biomaterial Disk Lasers by Suppressing the Coffee Ring Effect” ACS Biomaterials Science & Engineering 4, 12, 4385–4390 (2018).  Click Here

51) H. B. Jalali, R. Melikov, S. Sadeghi, S. Nizamoglu, “Excitonic Energy Transfer within InP/ZnS Quantum Dot Langmuir−Blodgett Assemblies,” The Journal of Physical Chemistry C (2018). Click Here

50) B. G. Kumar, S. Sadeghi, R. Melikov, M. M. Aria, H. B. Jalali, C. Ow-Yang, S. Nizamoglu, “Structural Control of InP/ZnS Core/Shell Quantum Dots Enables High-quality White LEDs” Nanotechnology 29, 345605 (2018). Click Here

49) R. Melikov, D. A. Press, B. G. Kumar, S. Sadeghi, S. Nizamoglu, “Unravelling Radiative Energy Transfer in Solid-State Lighting,” Journal of Applied Physics 123, 023103 (2018). Click Here

48) B. G. Kumar, R. Melikov, M. M. Aria, A. U. Yalcin, E. Begar, S. Sadeghi, K. Guven, S. Nizamoglu, “Silk-Based Aqueous Microcontact Printing,” ACS Biomaterials Science & Engineering (2018). Click Here

47) S. Sadeghi, E. S. Mutcu, S. Srivastava, G. Aydindogan, S. Caynak, K. Karsli, R. Melikov, S. Nizamoglu, “High quality quantum dots polymeric films as color converters for smart phone display technology,” Materials Research Express 6 035015 (2018).  Click Here

46) I. B. Dogru, K. Min, M. Umar, H. B. Jalali, E. Begar, D. Conkar, E. N. F. Karalar, S. Kim, S. Nizamoglu, “Single Transverse Mode Protein Laser” Applied Physics Letters 111, 231103 (2017). Click Here

45) I. B. Dogru, C. Kosak Soz, D. A. Press, R. Melikov, E. Begar, D. Conkar, E. N. Fırat Karalar, E. Yilgor, I. Yilgor, S. Nizamoglu, “3D Coffee Stains”, Materials Chemistry Frontiers 1, 2360-2367 (2017). Click Here

  • Invited paper for “Emerging Investigators” themed collection

44) R. Melikov, D. A. Press, B. G. Kumar, I. B. Dogru, S. Sadeghi, M. Chirea, İ. Yılgör, S. Nizamoglu, “Silk-hydrogel Lenses for Light-emitting Diodes,” Scientific Reports 7, 7258 (2017). Click Here

43) D. Press, R. Melikov, D. Conkar, E. Firat-Karalar, S. Nizamoglu , “Fluorescent Protein Integrated White LEDs for Displays,” Nanotechnology 27, 45LT01 (2016). Click Here

42) S. Nizamoglu, M. C. Gather, M. Humar, M. H. Choi, S. H. Kim, K. S. Kim, S. K. Hahn, G. Scarcelli, M. Randolph, R. W. Redmond, S. H. Yun, “Bioabsorbable polymer optical waveguides for deep-tissue photomedicine,” Nature Communications 7, 10374 (2016). Click Here

41) S. Nizamoglu, K.-B. Lee, M. C. Gather, K. S. Kim, M. Jeon, S. Kim, M. Humar, S.-H. Yun, “A Simple Approach to Biological Single-Cell Lasers Via Intracellular Dyes” Advanced Optical Materials 3, 1197–1200 (2015). Doi: 10.1002/adom.201500144. Click Here

40) S. Nizamoglu, M. C. Gather, and S. H. Yun, “All-biomaterial laser using vitamin and biopolymers,” Advanced Materials 25, 5943-5947 (2013). Click Here

39) M. Choi, J. W. Choi, S. Kim, S. Nizamoglu, S. K. Hahn and S. H. Yun, “Light-guiding hydrogels for cell-based sensing and optogenetic synthesis in vivo,” Nature Photonics 7, 987-994 (2013). Click Here

38) T. Özel, P. L. Hernandez-Martinez, E. Mutlugün, O. Akın, S. Nizamoğlu, İ. Ö. Özel, Q. Zhang, Q. Xiong and H. V. Demir, “Observation of Selective Plasmon-Exciton Coupling in Nonradiative Energy Transfer: Donor-Selective vs. Acceptor-Selective Plexcitons,” Nano Letters, 13, 3065 (2013).

37) S. Nizamoglu, P. L. Hernandez-Martinez, E. Mutlugün, D. U. Karatay and H. V. Demir, “Excitonic enhancement of nonradiative energy transfer from a quantum well in the optical near field of energy gradient quantum dots,” Applied Physics Letters, 100, 241109 (2012).

36) T. Erdem, S. Nizamoglu and H. V. Demir, “Computational study of power conversion and luminous efficiency performance for semiconductor quantum dot nanophosphors on light-emitting diodes,” Optics Express, 20, 3275 (2012).

35) M. Şahin, S. Nizamoglu, O. Yerli and H. V. Demir, “Reordering orbitals of semiconductor multi-shell quantum dot-quantum well heteronanocrystals,” J. Appl. Phys., 111, 023713 (2012).

34) H. V. Demir, S. Nizamoglu, T. Erdem, E. Mutlugun, N. Gaponik, A. Eychmüller, “Quantum dot integrated LEDs using photonic and excitonic color conversion,” NanoToday, 6, 632 (2011).

33) E. J. Park, T. Erdem, V. Ibrahimova, S. Nizamoglu, H. V. Demir, and D. Tuncel, “White-emitting Conjugated Polymer Nanoparticles with Cross-linked Shell for Mechanical Stability and Controllable Photometric Properties in Color-Conversion LED Applications,” ACS Nano 5, 2483 (2011).

32) T. Ozel, S. Nizamoglu, M. A. Sefunc, O. Samarskaya, I. O. Ozel, E. Mutlugun, V. Lesnyak, N. Gaponik, A. Eychmuller, S. V. Gaponenko, and H. V. Demir, “Anisotropic Emission from Multilayered Plasmon Resonator Nanocomposites of Isotropic Semiconductor Quantum Dots,” ACS Nano 5, 1328 (2011).

31) S. Nizamoglu, T. Erdem, and H. V. Demir, “High scotopic/photopic ratio white-LEDs integrated with semiconductor nanophosphors of colloidal quantum dots” Optics Letters 36, 7 (2011).

30) S. Nizamoglu, Burak Guzelturk, Dae-Woo Jeon, In-Hwan Lee, and Hilmi Volkan Demir, “Efficient nonradiative energy transfer from InGaN/GaN nanopillars to CdSe/ZnS core/shell nanocrystals” Applied Physics Letters 98, 1 (2011).

29) E. Sari, S.Nizamoglu, J.-H. Choi, S.-J. Lee, K.-H. Baik, I.-H. Lee, J.-H. Baek, S.-M. Hwang and H. V. Demir, “Opposite carrier dynamics and optical absorption characteristics under external electric field in nonpolar vs. polar InGaN/GaN based quantum heterostructures,” Optics Express 19, 5442 (2011).

28) S. Nizamoglu, X. W. Sun and H. V. Demir, “Observation of efficient transfer from Mott-Wannier to Frenkel excitons at room temperature in a hybrid semiconductor quantum dot/polymer composite,” Applied Physics Letters 97, 263106 (2010).

27) S. Nizamoglu. T. Erdem, X. W. Sun and H. V. Demir, “Warm-white light emitting diodes integrated with colloidal quantum dots for high luminous efficacy and color rendering,” Optics Letters 35, 3372-3374 (2010).

26) S. Nizamoglu, E. Sari, J.-H. Baek, I.-H. Lee and H. V. Demir, “Nonradiative resonance energy transfer directed from colloidal CdSe/ZnS quantum dots to epitaxial InGaN/GaN quantum wells for solar cells,” Physica Status Solidi (RRL) – Rapid Research Letters, 4, 7, 178-180 (2010).

25) T. Erdem, S. Nizamoglu, X. W. Sun and H. V. Demir, “A photometric investigation of ultra-efficient LEDs with high color rendering index and high luminous efficacy employing nanocrystal quantum dot luminophores,” Optics Express 18, 340-347 (2010).

24) S. Nizamoglu, O. Akin, and H. V. Demir, “Quantum efficiency enhancement in nanocrystal solids using nonradiative energy transfer with optimized donor-acceptor ratio for hybrid white light emitting diodes,” Applied Physics Letters 94, 243107 (2009).

23) S. Nizamoglu, E. Sari, J.-H. Baek, I.-H. Lee, and H. V. Demir, “Green/yellow solid-state lighting via radiative and non-radiative transfer involving colloidal semiconductor nanocrystals,” IEEE Journal of Special Topics in Quantum Electronics 15, 4, 1163-1170 (2009).

22) S. Nizamoglu and H. V. Demir, “Förster resonance energy transfer enhanced color-conversion using colloidal semiconductor quantum dots for solid state lighting,” Applied Physics Letters 95, 151111 (2009).

21) S. Nizamoglu and H. V. Demir, “Excitation resolved color conversion of CdSe/ZnS core/shell quantum dot solids for hybrid white light emitting diodes,” Journal of Applied Physics 105, 083112 (2009).

20) M. Sahin, S. Nizamoglu, A. E. Kavruk, and H. V. Demir, “Self-consistent computation of electronic and optical properties of a single exciton in a spherical quantum dot via matrix diagonalization method,” Journal of Applied Physics 106, 043704 (2009).

19) E. Sari, S. Nizamoglu, I-H. Lee, J.-H. Baek, and H. V. Demir, “Electric field dependent radiative decay kinetics of polar InGaN/GaN quantum heterostructures at low fields,” Applied Physics Letters 94, 211107 (2009).

18) N. Cicek, S. Nizamoglu, T. Özel, E. Mutlugun, D. U. Karatay, V. Lesnyak, T. Otto, N. Gaponik, A. Eychmüller, and H. V. Demir, “Structural tuning of color chromaticity through nonradiative energy transfer by interspacing CdTe nanocrystal monolayers,” Applied Physics Letters, 94, 061105 (2009).

17) E. Mutlugun, S. Nizamoglu, and H. V. Demir, “Highly efficient nonradiative energy transfer using charged CdSe/ZnS nanocrystals for light-harvesting in solution,” Applied Physics Letters 95, 033106 (2009).

16) S. Nizamoglu, G. Zengin, and H. V. Demir, “Color-converting combinations of nanocrystal emitters for warm-white light generation with high color rendering index,” Applied Physics Letters 92, 031102 (2008).

15) S. Nizamoglu, E. Sari, J.-H. Baek, I.-H. Lee, and H. V. Demir, “White light generation by resonant nonradiative energy transfer from epitaxial InGaN/GaN quantum wells to colloidal CdSe/ZnS core/shell quantum dots,” New Journal of Physics 10, 123001 (2008).

14) S. Nizamoglu and H. V. Demir, “Resonant nonradiative energy transfer in CdSe/ZnS core/shell nanocrystal solids enhances hybrid white light emitting diodes,” Optics Express 16, 13961-13968(2008).

13) S. Nizamoglu, E. Mutlugun, O. Akyuz, N. Kosku Perkgoz, H. V. Demir, L. Liebscher, S. Sapra, N. Gaponik, A. Eychmüller, “White emitting CdS quantum dot nanoluminophores hybridized on near-ultraviolet LEDs for high-quality white light generation and tuning,” New Journal of Physics 10, 023026 (2008).

12) S. Nizamoglu, E. Mutlugun, T. Özel, H. V. Demir, S. Sapra, N. Gaponik, A. Eychmüller, “Dual-color emitting quantum-dot-quantum-well CdSe-ZnS heteronanocrystals hybridized on InGaN/GaN light emitting diodes for high-quality white light generation,” Applied Physics Letters 92, 113110 (2008).

11) S. Nizamoglu and H. V. Demir, “Onion-like (CdSe)ZnS/CdSe/ZnS quantum-dot-quantum-well heteronanocrystals for investigation of multi-color emission,” Optics Express 16(6),3515-3526 (2008).

10) H. V. Demir, S. Nizamoglu, E. Mutlugun, T. Özel, S. Sapra, N. Gaponik, A. Eychmüller, “Tuning shades of white light with multi-color quantum-dot-quantum-well emitters based on onion-like CdSe-ZnS heteronanocrystals,” Nanotechnology 19, 335203 (2008).

9) T. Özel, I. M. Soganci, S. Nizamoglu, I. O. Huyal, E. Mutlugun, S. Sapra, N. Gaponik, A. Eychmüller, and H. V. Demir, “Selective enhancement of surface-state emission and simultaneous quenching of interband transition in white-luminophor CdS nanocrystals using localized plasmon coupling,” New Journal of Physics 10, 083035 (2008).

8) I. O. Huyal, T. Ozel, U. Koldemir, S. Nizamoglu, D. Tuncel, and H. V. Demir, “White emitting polyfluorene functionalized with azide hybridized on near-UV light emitting diode for high color rendering index,” Optics Express 16(2), 1115-1124 (2008).

7) S. Nizamoglu and H. V. Demir, “Hybrid white light sources based on layer-by-layer assembly of nanocrystals on near-UV emitting diodes,” Nanotechnology, 18(40), 405702 (2007).

6) E. Sarı, S. Nizamoglu, T. Ozel and H. V. Demir, “Blue quantum electroabsorption modulators based on reversed quantum confined Stark effect with blue shift“, Applied Physics Letters, 90, 011101 (2007).

5) H. V. Demir, S. Nizamoglu, T. Ozel, E. Mutlugun, I. O. Huyal, E. Sari, E. Holder, and N. Tian, “White light generation tuned by dual hybridization of nanocrystals and conjugated polymers,” New Journal of Physics, 9, 362 (2007).

4) S. Nizamoglu, T. Ozel, E. Sari, and H. V. Demir, “White Light Generation Using CdSe/ZnS Core-Shell Nanocrystal Hybridized with InGaN/GaN Light Emitting Diodes”, Nanotechnology 18, 065709 (2007). [cover page]

3) I. M. Soganci, S. Nizamoglu, E. Mutlugun, O. Akin, and H. V. Demir, “Localized plasmon-engineered spontaneous emission of CdSe/ZnS nanocrystals closely-packed in the proximity of Ag nanoisland films for controlling emission linewidth, peak, and intensity,” Optics Express, 15(22), 14289-14298 (2007).

2) T. Ozel, E. Sari, S. Nizamoglu, and H. V. Demir, “Violet to deep-ultraviolet InGaN/GaN and GaN/AlGaN quantum structures for UV electroabsorption modulators,” Journal of Applied Physics 102(11), 113101 (2007).

1) S. Nizamoglu and H. V. Demir, “Nanocrystal based hybrid white light generation with tunable color parameters,” J. Opt. A: Pure Appl. Opt., Special Issue on Nanophotonics 9(9), S419-S424 (2007).

Patents

3) S. Nizamoglu “Light emitting diodes” TR patent (pending).

2) S. Nizamoglu and H. V. Demir, “Solid State Lighting with Light Emitting Diodes Hybridized with Color-Converting Semiconductor Materials which have high Scotopic/Photopic ratio” TR patent TR200903593.

1) S. Nizamoglu and H. V. Demir, “Light Emitting Diodes Hybridized with Color-Converting Semiconductor Materials Enhanced with the Förster Energy Transfer” TR patent TR200909585.

Conference proceedings

45) S. Yuruker, E. Tamdogan, M. Arik, R. Melikov, I. Durak, D. Press, S. Nizamoglu, “Thermal and Optical Performance of Eco-Friendly Silk Fibroin Proteins as a Cavity Encapsulation over LED Systems,” International Technical Conference and Exhibition on Packaging and Integration of Electronic and Photonic Microsystems (InterPACK) and the International Conference on Nanochannels, Microchannels and Minichannels (ICNMM) San Francisco, CA, USA (July 6–9, 2015). Paper: InterPACKICNMM2015-48326.

44) S. Nizamoglu, M. Choi, M. C. Gather, R. W. Redmond, and S. H. Yun, “Implantable bioabsorbable waveguide based oximetry,” SPIE Photonics West, San Francisco, California, USA (1 – 6 February 2014). Session 3: Biomaterials and Photonics. Paper 8958-11.

43) S. Nizamoglu, M. Choi, M. C. Gather, R. W. Redmond, and S. H. Yun, “Biopolymer-based optical waveguides for photochemical tissue bonding,” SPIE Photonics West, San Francisco, California, USA (2 – 7 February 2013). Session 3:  Implantable Biomaterial Devices. Paper 8598-6.

42) M. Choi, J. W. Choi, S. Nizamoglu, and S. H. Yun, “Implantable optical waveguide for light-controlled cell therapy,” SPIE Photonics West, San Francisco, California, USA (2 – 7 February 2013). Session 3:  Implantable Biomaterial Devices. Paper 8598-7.

41) S. Nizamoglu, M. C. Gather, and S. H. Yun, “Biomolecule microdroplets on superhydrophobic biopolymer substrates: a biomaterial laser,” SPIE Photonics West, San Francisco, California, USA (2 – 7 February 2013). Session 3:  Implantable Biomaterial Devices. Paper 8598-9.

40) S. Nizamoglu, P. L. Hernandez-Martinez, E. Mutlugün and H. V. Demir, “Efficient Exciton Transfer from an Epitaxial Quantum Well to an Energy Gradient Structure Composed of Layer-by-Layer Assembled Colloidal Quantum Dots,” APS March Meeting, Boston, Massachusetts, USA, February 27 – March 2, 2012.

39) S. Nizamoglu, M. C. Gather, and S. H. Yun, “Vitamin microdroplet laser,” CLEO/IQEC San Jose, California (May 6-11, 2012).Optofluidic Lasers and Devices (CTu1L).

38) S. Nizamoglu, E. Sari, J-H. Baek, I-H. Lee, H. V. Demir, “Förster-type nonradiative energy transfer directed from colloidal quantum dots to epitaxial quantum wells for light harvesting applications,” CLEO/IQEC Baltimore, Maryland (May 1-6, 2011). Paper Nanostructures for Photovoltaics CMBB6.

37) S. Nizamoglu, X. W. Sun and H. V. Demir, “Room-temperature, high-efficiency conversion of Mott-Wannier to Frenkel excitons in hybrid semiconductor quantum dot/polymer composites,” CLEO/IQEC Baltimore, Maryland (May 1-6, 2011). Paper Exciton and Carrier Dynamics in Nanophotonic Systems QTuL6.

36) S. Nizamoglu, T. Erdem, X. W. Sun and H. V.  Demir, “Superior warm-white light-emitting diodes integrated with quantum dot nanophosphors for high luminous efficacy and color rendering,” CLEO/IQEC Baltimore, Maryland (May 1-6, 2011). Paper Efficient Lighting AWA2.

35) T. Ozel, S.Nizamoglu, M. A. Sefunc, O. Samarskaya, I. O. Ozel, E. Mutlugun, V. Lesnyak, N. Gaponik, A. Eychmuller, S. V. Gaponenko and H. V. Demir, “Observation of anisotropic emission from semiconductor quantum dots in nanocomposites of metal nanoparticles,” Proceedings of 23rd IEEE Annual Photonics Society Meeting, Denver, CO, USA (7 – 11 November 2010). Session: TuE: Engineered Quantum Dot Devices and Materials. Paper: TuE 2.

34) B. Guzelturk, T. Erdem, E. Unal, S. Nizamoglu, D. Tuncel and H. V. Demir, “Non-radiative energy-transfer-driven quantum dot LEDs,” Proceedings of 23rd IEEE Annual Photonics Society Meeting, Denver, CO, USA (7 – 11 November 2010). Session: TuE: Engineered Quantum Dot Devices and Materials. Paper: TuE 3.

33) T. Erdem, S. Nizamoglu and H. V. Demir, “Warm-white color-converting nanophosphors of semiconductor nanocrystals with high color rendering index and high luminous efficacy,” Proceedings of 23rd IEEE Annual Photonics Society Meeting, Denver, CO, USA (7 – 11 November 2010). Session: ThL: LED Technologies. Paper: ThL 5.

32) E.Sari, S.Nizamoglu, S.J. Lee, K.H. Baik, J.H. Baek, H. V. Demir, “Polar vs. Nonpolar InGaN/GaN Quantum Heterostructures: Opposite Quantum Confined Electroabsorption and Carrier Dynamics Behavior,” IEEE Photonics Global Conference, Singapore (December 14-16, 2010).

31) S. Nizamoglu, O. Akin and H. V. Demir, “Quantum efficiency enhancement in colloidal semiconductor quantum dot solids using nonradiative energy transfer for hybrid white LEDs,” CLEO/IQEC San Jose, California (May 16-21, 2010).

30) S. Nizamoglu and H. V. Demir, “Efficient Migration of Mott-Wannier Excitons to Frenkel Excitons in Hybrid Organic/Inorganic Assembly of CdSe/ZnS Nanocrystals in MDMO-PPV Homopolymers” Proceedings of IEEE Photonics (formerly Lasers and Electro-Optics) Society 2009 Annual Meeting (LEOS 2009), Antalya, Turkey (4 – 8 October 2009). Session: ThD: Quantum Dots, Quantum Wells, and Energy Transfer. Paper ThD 4.

29) S. Nizamoglu and H. V. Demir, “Wavelength Dependent Color Conversion of CdSe/ZnS Core/Shell Nanocrystals for White LEDs” Proceedings of IEEE Photonics (formerly Lasers and Electro-Optics) Society 2009 Annual Meeting (LEOS 2009), Antalya, Turkey (4 – 8 October 2009). Session: TuS: Luminescent Colloidal Nanocrystals. Paper TuS 3.

28) S. Nizamoglu, E. Sari, J. H. Baek, I. H. Lee and H. V. Demir, “Nanocrystal Integrated Light Emitting Diodes based on Radiative and Nonradiative Energy Transfer for the Green Gap” Proceedings of IEEE Photonics (formerly Lasers and Electro-Optics) Society 2009 Annual Meeting (LEOS 2009), Antalya, Turkey (4 – 8 October 2009). Session: MI: Advanced Display Technologies. Paper MI 4.

27) E. Sari, S. Nizamoglu, I.-H. Lee, J.-H. Baek and H. V. Demir, “Electric field dependence of radiative recombination lifetimes in polar InGaN/GaN quantum heterostructures” Proceedings of IEEE Photonics (formerly Lasers and Electro-Optics) Society 2009 Annual Meeting (LEOS 2009), Belek, Antalya, Turkey (4-8 October 2009). Session: WX: High Power Lasers. Paper WX5.

26) E. Mutlugun, O. Samarskaya, T. Ozel, S. Nizamoglu, and H. V. Demir, “Highly Efficient FRET-based Light-Harvesting using Nanocrystals,”Proceedings of IEEE Photonics (formerly Lasers and Electro-Optics) Society 2009 Annual Meeting (LEOS 2009), Antalya, Turkey (4-8 October 2009). Session: MK: Light Emitting Materials and Devices. Paper MK3.

25) T. Ozel, S. Nizamoglu, O. Samarska, I. O. Huyal, E. Mutlugun, S. V. Gaponenko, and H. V. Demir, “Plasmon Enhanced Colloidal Nanocrystal Composites Incorporating Au Nanoparticles in a Repeating Layered Architecture,” Proceedings of IEEE Photonics (formerly Lasers and Electro-Optics) Society 2009 Annual Meeting (LEOS 2009), Belek-Antalya, Turkey (4 – 8 October 2009). Session: ThD: Quantum Dots, Quantum Wells, and Energy Transfer Paper: ThD 5.

24) N. Cicek, S. Nizamoglu, T. Ozel, E. Mutlugun, D. U. Karatay, V. Lesnyak, N. Gaponik, A. Eychmüller and H. V. Demir, “Architectural Tuning of Color Chromaticity by Controlled Nonradiative Resonance Energy Transfer in CdTe Nanocrystal Solids,” 22nd Annual Lasers and Electro Optics Society Meeting, 4 – 8 October 2009 at the Ela Quality Resort in Belek-Antalya, Turkey. Session: ThD: Quantum Dots, Quantum Wells, and Energy Transfer.

23) S. Nizamoglu and H. V. Demir, “High-quality solid state lighting involving nanocrystal luminophors,” International Conference from Nanoparticles and Nanomaterials to Nanodevices and Nanosystems, Rhodes, Greece (June 28-July 3, 2009). Invited Paper.

22) S. Nizamoglu, E. Sari, J.-H. Baek, I.-H. Lee, and H. V. Demir, “White light generating nonradiative energy transfer directly from epitaxial quantum wells to colloidal nanocrystal quantum dots,” CLEO/IQEC Baltimore, Maryland (May 31-June 5, 2009). Paper CMH Nanostructured and organic LEDs CMH4.

21) H. V. Demir, S. Nizamoglu, G. Zengin, “Warm White Light Generating Nanocrystal Hybridized LEDs with High Color Rendering Index,” Proceedings of IEEE Lasers and Electro-Optics Society 2008 Annual Meeting (LEOS 2008), Newport Beach, CA (9-13 November 2008). Session: TuG: Emerging Display Technologies. Paper TuG4.

20) S. Nizamoglu and H. V. Demir, “Enhanced Spontaneous Emission in Semiconductor Nanocrystal Solids using Resonant Energy Transfer for Integrated Devices,” Proceedings of IEEE Lasers and Electro-Optics Society 2008 Annual Meeting (LEOS 2008), Newport Beach, CA (9-13 November 2008). Session: WV: Integrated Novel Lasers. Paper WV1.

19) S. Nizamoglu, E. Mutlugun, T. Ozel, H. V. Demir, S. Sapra, N. Gaponik, and A. Eychmüller, “Multi-Layered CdSe/ZnS/CdSe Heteronanocrystals to Generate and Tune White Light,” Proceedings of IEEE Lasers and Electro-Optics Society 2008 Annual Meeting (LEOS 2008), Newport Beach, CA (9-13 November 2008). Session: ThI: Quantum Nanostructures. Paper ThI2.

18) T. Ozel, I. M. Soganci, S. Nizamoglu, I. O. Huyal, E. Mutlugun, S. Sapra, N. Gaponik, A. Eychmüller, and H. V. Demir, “Surface-State Emission Enhancement in White-Luminophor CdS Nanocrystals using Localized Plasmon Coupling,” Proceedings of IEEE Lasers and Electro-Optics Society 2008 Annual Meeting (LEOS 2008), Newport Beach, CA (9-13 November 2008). Session: TuQ: Plasmonic. Paper TuQ2.

17) I. M. Soganci, S. Nizamoglu, E. Mutlugun, and H. V. Demir, “Localized Plasmon-Engineered Spontaneous Emission of CdSe/ZnS Nanocrystals Closely-Packed in the Proximity of Ag Nanoislands,” Proceedings of IEEE Lasers and Electro-Optics Society 2007 Annual Meeting (LEOS 2007), Lake Buena Vista, FL (21 October – 25 October 2007). Paper WN3.

16) S. Nizamoglu and H. V. Demir, “Nanocrystal hybridized white light sources integrated on near UV LEDs,” Proceedings of International Conference on Physics, Chemistry, and Applications of Nanostructures (Nanomeeting-2007), Minsk, Belarus (22-25 May 2007).

15) I. O. Huyal, T. Ozel, S. Nizamoglu, U. Koldemir, D.Tuncel, and H. V. Demir, “White Light Generation with Azide Functionalized Polyfluorene Hybridized on Near-UV Light Emitting Diode,” Proceedings of the Conference on Lasers and Electro-Optics (CLEO 2007) and the Quantum Electronics and Laser Science Conference (QELS 2007), Baltimore, Maryland, USA (6-11 May 2007).

14) T. Ozel, E. Sari, S. Nizamoglu, and H. V. Demir, “Near-UV InGaN/GaN-based Quantum Optoelectronic Devices,” Proceedings of SPIE Europe Microtechnologies for the New Millennium, Maspalomas, Gran Canaria, Spain (2-4 May 2007).

13) S. Nizamoglu, T. Ozel, E. Mutlugun, I. O. Huyal, E. Sari, N. Tian, E. Holder, and H. V. Demir, “High-Quality White Light Generation using Dually Hybridized Nanocrystals and Conjugated Polymers,” Proceedings of IEEE Lasers and Electro-Optics Society 2007 Annual Meeting (LEOS 2007), Lake Buena Vista, FL (21 October – 25 October 2007). Paper MO5.

12) E. Sari, S. Nizamoglu, T. Ozel, A. Koc, I.-H. Lee, J. H. Baek, and H. V. Demir, “Investigation of Excitonic Effects in Polar InGaN/GaN Quantum Heterostructures for Enhanced Quantum Electroabsorption in Blue,” Proceedings of IEEE Lasers and Electro-Optics Society 2007 Annual Meeting (LEOS 2007), Lake Buena Vista, FL (21 October – 25 October 2007). Paper ThZ4.

11) S. Nizamoglu, E. Mutlugun, O. Akyuz, N. Kosku Perkgoz, H. V. Demir, S. Sapra, N. Gaponik, and A. Eychmüller, “White CdS Nanoluminophor based Tunable Hybrid Light Emitting Diodes,” Proceedings of IEEE Lasers and Electro-Optics Society 2007 Annual Meeting (LEOS 2007), Lake Buena Vista, FL (21 October – 25 October 2007). Paper WV5.

10) H. V. Demir, E. Mutlugun, S. Tek, S. Nizamoglu, I. M. Soganci, E. Sari, T. Ozel, I. O. Huyal, G. Zengin, and C. Uran, “Functional Nanophotonic Materials for Hybrid Use in Optoelectronics,” 2007 Material Science and Technology Conference and Exhibition, Nanostructured Ceramic Materials, Science and Technology Symposium: Functional Behavior and Characterization of Nanomaterials, Detroit, Michigan (16-20 September 2007). Invited Paper.

9) H. V. Demir, S. Nizamoglu, E. Mutlugun, T. Ozel, I. M. Soganci, S. Tek, I. O. Huyal, E. Sari, G. Zengin, and C. Uran, “Hybrid Nanophotonic Approaches for New Functionality,” SPIE Optics East Conference on Optoelectronic Devices: Physics, Fabrication, and Application), Boston, MI (9-12 September 2007). Invited Paper.

8) H. V. Demir and S. Nizamoglu, “Tunable white light generating nanocrystal-hybridized LEDs,” Proceedings ofthe Conference on Lasers and Electro-Optics (CLEO Pacific Rim 2007), Seoul, Korea (26-31 August 2007). Paper ME1-4.

7) S. Nizamoglu, T. Ozel, E. Sari, and H. V. Demir, “Tunable White Light Generation,” 2007 Nanometa Conference, Seefeld, Austria (8-11 January 2007).

6) E. Sari, S. Nizamoglu, T. Ozel, and H. V. Demir, “Blue InGaN/GaN-based Quantum Electroabsorption Modulators,” Proceedings of IEEE Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2006), Perth, Australia (6-7 December 2006). Paper WO-A4.

5) S. Nizamoglu, T. Ozel, E. Sari, and H. V. Demir, “White Light Generation with CdSe/ZnS Core-Shell Nanocrystals and InGaN/GaN Light Emitting Diodes,” Proceedings ofIEEE Conference on Optoelectronic and Microelectronic Materials and Devices (COMMAD 2006), Perth, Australia (6-7 December 2006). Paper WO-A5.

4) E. Sari, S. Nizamoglu, T. Ozel, H. V. Demir, A. Inal, E. Ulker, E. Ozbay, Y. Dikme and M. Heuken, “InGaN/GaN based LEDs with electroluminescence in violet, blue, and green tuned by epitaxial growth temperature,” Proceedings of IEEE Lasers and Electro-Optics Society 2006 Annual Meeting (LEOS 2006), Montreal, QC, Canada (29 October – 2 November 2006). Paper MC3.

3) E. Mutlugun, I. M. Soganci, E. Sari, T. Ozel, S. Nizamoglu, and H. V. Demir, “Hybrid nanophotonic devices: UV scintillators and visible/UV modulators,” Proceedings ofthe 50th IUVSTA Meeting Toward novel nanostructure-based devices:nanostructured materials fabrications, characterization and assembly for novel devices, Dubrovnik, Croatia (22-27 October 2006).

2) H. V. Demir, E. Sari, T. Ozel, and S. Nizamoglu, “Optical quantum modulators for UV communication in space,” Proceedings of European Optical Society Annual Meeting (EOS 2006), Paris, France (16-19 October 2006).

1) H. V. Demir, E. Sari, E. Mutlugun, I. M. Soganci, T. Ozel, and S. Nizamoglu, “Photonic functions in UV enabled by in-solution synthesized nanocrystals and epitaxially grown quantum structures,” NanoTX, Dallas, TX (27-28 September 2006). Invited Paper.