A graduate research assistant position is available immediately!!!!!
The student will learn both theoretical and experimental skills to conduct research on metal halide/pseudohalides-based white light-emitting diodes (LEDs). If you are interested, please send your inquiry to peifen-zhu@utulsa.edu.

Photonics and Optoelectronics
Light-Emitting Diodes
Solid-State Lighting
Nanomaterials
Nanotechnology

Electricity & Magnetism
Waves & Optics
Solid State Electronic Devices
Photonics
Electromagnetic Theory

Journal Articles

• [1]

  WangD., ZhaoC., GaoG., XuL., WangG., and ZhuP., “Multifunctional NaLnF4@MOF-Ln Nanocomposites with Dual-Mode Luminescence for Drug Delivery and Cell Imaging”, vol. 9, p. 1274, 2019.
• [1]

  WangW. and ZhuP., “Red photoluminescent Eu3+-doped Y2O3 nanospheres for LED-phosphor applications: Synthesis and characterization”, vol. 26, pp. 34820-34829, 2018.
• [1]

  ZhuP., “Frustrated total internal reflection in organic light-emitting diodes employing sphere cavity embedded in polystyrene”, vol. 18, p. 025403, 2016.
• [1]

  JiangJ., “Pressure-Induced Phase Transitions and Amorphization of 4-Carboxybenzenesulfonyl Azide”, vol. 120, pp. 25709-25716, 2016.
• [1]

  ZhuP., TanC.-K., SunW., and TansuN., “Aspect ratio engineering of microlens arrays in thin-film flip-chip light-emitting diodes”, vol. 54, pp. 10299-10303, 2015.
• [1]

  ZhuP. and TansuN., “Effect of packing density and packing geometry on light extraction of III-nitride light-emitting diodes with microsphere arrays”, vol. 3, p. 184, 2015.
• [1]

  ZhuP. and TansuN., “Resonant cavity effect optimization of III-nitride thin-film flip-chip light-emitting diodes with microsphere arrays”, vol. 54, pp. 6305-6312, 2015.
• [1]

  ZhuP., “Light extraction efficiency enhancement of top-emitting organic light-emitting diodes employing low-Q whispering gallery modes in spheres”, vol. 2, p. 096202, 2015.
• [1]

  CuiH., ZhuP.-F., ZhuH.-Y., LiH.-D., and CuiQ.-L., “Photoluminescence properties and energy transfer in Y2O3:Eu3+nanophosphors”, vol. 23, p. 057801, 2014.
• [1]

  ZhuP., LiuG., ZhangJ., and TansuN., “FDTD Analysis on Extraction Efficiency of GaN Light-Emitting Diodes With Microsphere Arrays”, vol. 9, pp. 317-323, 2013.
• [1]

  LiX.-H., “Light Extraction Efficiency Enhancement of III-Nitride Light-Emitting Diodes by Using 2-D Close-Packed TiO2 Microsphere Arrays”, vol. 9, pp. 324-332, 2013.
• [1]

  KooW., YounW., ZhuP., LiX.-H., TansuN., and SoF., “Light Extraction of Organic Light Emitting Diodes by Defective Hexagonal-Close-Packed Array”, vol. 22, pp. 3454-3459, 2012.
• [1]

  WeiG., “Large-Scale Synthesis and Photoluminescence Properties of Aligned Multicore SiCSiO2 Nanocables”, vol. 10, pp. 1964-1968, 2010.
• [1]

  WangG., “Synthesis and Luminescence Properties of Er3+ Doped Y(OH)3, NH4Y3F10, and YF3 Nanocrystals”, vol. 10, pp. 1728-1732, 2010.
• [1]

  ZhangD., “Synthesis and Upconversion Luminescence of YF3:Yb3+,Tm3+ and TiO2-Coated YF3:Yb3+,Tm3+ Microcrystals”, vol. 10, pp. 2032-2035, 2010.
• [1]

  WeiG., “Synthesis of ZnO Nanosheets by Microwave Thermal Vapor Method”, vol. 10, pp. 2065-2069, 2010.
• [1]

  WangG., “Controlled synthesis and luminescence properties from cubic to hexagonal NaYF4:Ln3+ (Ln=Eu and Yb/Tm) microcrystals”, vol. 475, pp. 452-455, 2009.
• [1]

  WangG., “Enhanced ultraviolet upconversion in YF3:Yb3+/Tm3+ nanocrystals”, vol. 27, pp. 330-333, 2009.
• [1]

  WeiG., “Large-scale synthesis and photoluminescence properties of SiC networks”, vol. 96, pp. 521-527, 2009.
• [1]

  WeiG., “Synthesis and Properties of SiC/SiO2Nanochain Heterojunctions by Microwave Method”, vol. 9, pp. 1431-1435, 2009.
• [1]

  WangG., “Synthesis and upconversion luminescence properties of NaYF4:Yb3+/Er3+ microspheres”, vol. 27, pp. 394-397, 2009.
• [1]

  WangG., “Synthesis and upconversion luminescence properties of YF3:Yb3+/Tm3+ octahedral nanocrystals”, vol. 130, pp. 158-161, 2009.
• [1]

  WangG., “Enhanced Photoluminescence of Water Soluble YVO4:Ln3+(Ln = Eu, Dy, Sm, and Ce) Nanocrystals by Ba2+ Doping”, vol. 112, pp. 17042-17045, 2008.
• [1]

  CaoC., “Enhanced ultraviolet up-conversion emissions of Tm3+/Yb3+ codoped YF3 nanocrystals”, vol. 129, pp. 204-209, 2008.
• [1]

  WangG., “Enhancement of violet and ultraviolet upconversion emissions in Yb3+/Er3+-codoped YF3 nanocrystals”, vol. 31, pp. 296-299, 2008.
• [1]

  WangY., “Europium(III) Complexes/Silica Hybrid Nanospheres Synthesized in Microemulsion”, vol. 8, pp. 1218-1220, 2008.
• [1]

  WangG., QinW., WangL., WeiG., ZhuP., and KimR., “Intense ultraviolet upconversion luminescence from hexagonal NaYF4:Yb3+/Tm3+ microcrystals”, vol. 16, pp. 11907-11914, 2008.
• [1]

  JinY., “La3PO7:Eu3+ nanoparticles — A novel red phosphor”, vol. 62, pp. 3146-3148, 2008.
• [1]

  WeiG., “Quantum confinement effect and field emission characteristics of ultrathin 3C-SiC nanobelts”, vol. 461, pp. 242-245, 2008.
• [1]

  WangG., “Size-dependent upconversion luminescence in YF3:Yb3+/Tm3+ nanobundles”, vol. 129, pp. 1110-1113, 2008.
• [1]

  QinW., “Synthesis and photophysical properties of core-shell Eu(DBM)3phen/TiO2 nanohybrids”, vol. 8, pp. 1464-1467, 2008.
• [1]

  WangG., “Synthesis and spectral properties of Eu3+-doped YF3 nanobundles”, vol. 129, pp. 621-624, 2008.
• [1]

  WangG., “Synthesis, growth mechanism, and tunable upconversion luminescence of Yb3+/Tm3+-codoped YF3 nanobundles”, vol. 112, pp. 12161-12167, 2008.
• [1]

  CaoC., “Ultraviolet upconversion emissions of Gd3+”, vol. 33, pp. 857-859, 2008.
• [1]

  QinW., “Ultraviolet upconversion fluorescence from D-6(J) of Gd3+ induced by 980 nm excitation”, vol. 33, pp. 2167-2169, 2008.
• [1]

  CaoC., “Up-conversion white light of Tm3+/Er3+/Yb3+ tri-doped CaF2 phosphors”, vol. 281, pp. 1716-1719, 2008.
• [1]

  WangY., “Bright green upconversion fluorescence of Yb3+, Er3+-codoped fluoride colloidal nanocrystal and submicrocrystal solutions”, vol. 36, pp. 912-913, 2007.
• [1]

  DiW., WangX., ZhuP., and ChenB., “Energy transfer and heat-treatment effect of photoluminescence in Eu3+-doped TbPO4 nanowires”, vol. 180, pp. 467-473, 2007.
• [1]

  WangY., “Synthesis and green up-conversion fluorescence of colloidal La0.78Yb0.20Er0.02F3/SiO2 core/shell nanocrystals”, vol. 180, pp. 2268-2272, 2007.

Conference Proceedings

• [1]

  WangW., RahmanF., and ZhuP., “Synthesis and spectroscopic measurements of yttrium (III) oxide nanomaterials doped with europium (III) cations”, in The 235th ACS National Meeting, 2018.
• [1]

  TansuN., “Comparison of Extraction Efficiency for Thin-Film Flip-Chip InGaN Light-Emitting Diodes with Microsphere and Microconcave Array Structures”, in Proc. of the SPIE Optics + Photonics 2014, 2014.
• [1]

  TansuN., “Controlling the Interband Auger Recombination Mechanism in III-Nitride Based Ternary Active Regions”, in Proc. of the SPIE Optics + Photonics 2014, 2014.
• [1]

  ZhuP., TanC., and TansuN., “Extraction Efficiency Enhancement of Thin-Film Flip-Chip GaN Light-Emitting Diodes with Self-Assembled Microsphere Arrays”, in Proc. of the International Conference on White LEDs and Solid State Lighting (WLED 5) Conference, 2014.
• [1]

  TanC.-K., ZhuP., and TansuN., “Investigation of Dilute-As GaNAs Active Regions for High Efficiency GaN-based Light-Emitting Diodes”, in Proc. of the International Conference on White LEDs and Solid State Lighting (WLED 5) Conference 2014, 2014.
• [1]

  ZhuP., TomaT., TanC., and TansuN., “Investigation of Solar Hydrogen Generation from the GaN and InGaN Thin Films”, in Proc. of the SPIE Optics + Photonics 2014, 2014.
• [1]

  TansuN., “Light Extraction Efficiency Enhancement in GaN-Based LEDs with Self-Assembly Approach”, in Proc. of the Progress In Electromagnetics Research Symposium (PIERS) 2014, 2014.
• [1]

  SunW., “Physics of High Efficiency and Efficiency-Droop in III-Nitride Light-Emitting Diodes”, in Proc. of the Progress in Electromagnetics Research Symposium (PIERS) 2014, 2014.
• [1]

  ZhuP., “Internal and External Efficiency in InGaN-Based Light-Emitting Diodes”, in Proc. of the Asian Communications and Photonics (ACP) Conference 2013, 2013.
• [1]

  ZhuP., “Optimization of Deposition Conditions for Silica/Polystyrene Microlens and Nanolens Arrays for Light Extraction Enhancement in GaN Light-Emitting diodes”, in Proc. of the SPIE Photonics West 2013, 2013.
• [1]

  ZhaoH., “Advances in III-Nitride Semiconductors for Energy Efficiency Applications”, in Proc. of the KAUST-UCSB-NSF Solid State Lighting Workshop 2012, 2012.
• [1]

  TansuN., “Engineering Nanostructures in Active Regions and Devices for High-Efficiency III-Nitride Light-Emitting Diodes – Epitaxy and Physics”, in Proc. of the SPIE Optics + Photonics 2012, NanoEpitaxy : Materials and Devices IV, 2012.
• [1]

  ZhuP., ZhangJ., LiuG., and TansuN., “FDTD Modeling of InGaN-Based Light-Emitting Diodes with Microsphere Arrays”, in Proc. of the IEEE Photonics Conference 2012, 2012.
• [1]

  KooW., YounW., ZhuP., LiX.-H., TansuN., and SoF., “Light Extraction From OLEDS by Defective Hexagonal-Close-Packed Silica Array”, in Proc. of the SPIE Optics + Photonics 2012, Organic Electronics + Photonics, 2012.
• [1]

  ZhaoH., “Physics and Technology of III-Nitride Semiconductors for Energy Efficiency Applications”, in Proc. of the IUMRS-ICYRAM Conference 2012, Material Research Society (MRS), 2012.
• [1]

  TansuN., ZhangJ., LiuG., ZhaoH., TanC.-K., and ZhuP., “Physics of High-Efficiency III-Nitride Quantum Wells Light-Emitting Diodes”, in Asia Communications and Photonics Conference, 2012.

• Research and Dissertation
• Electromagnetic Waves and Optics
• General Physics II
• Independent Study
• General Physics II Laboratory
• Electromagnetic Theory

• The American Chemical Society
• The Optical Society of America (OSA)
• America Physics Society (APS)

• NSF CAREER Award