Researchers at University of Notre Dame (UND) in the USA have claimed record high breakdown voltage for aluminium gallium nitride (AlGaN/GaN) lateral Schottky barrier diodes (SBDs) on silicon [Mingda Zhu et al, IEEE Electron Device Letters, ...
Tags: silicon diodes, GaN substrates
Researchers at Chinese Academy of Sciences’ Institute of Semiconductors have achieved a 42% enhancement in light output from flip-chip indium gallium nitride (InGaN) light-emitting diodes (LEDs) by incorporating a photonic crystal ...
Tags: photonic crystal(PHC)structure, light-emitting diodes, Electrical
Rensselaer Polytechnic Institute in the USA has developed nitride semiconductor solar cells with high quantum efficiency for short wavelengths (370-450nm) and concentrated photovoltaics at temperatures up to 400°C [Liang Zhao et al, ...
Tags: PV Performance, Electrical
Ohio State University and University of Illinois at Chicago have developed deep ultraviolet (DUV) light-emitting diodes (LEDs) based on III-nitride semiconductor nanowires [Thomas F Kent et al, Nanotechnology, vol25, p455201, 2014]. The ...
Xi’an Jiaotong University and Shaanxi Supernova Lighting Technology Co., Ltd., of China have used silver nanorods to engineer gallium vacancy defects in gallium nitride (GaN) to create color tunable light emitting diodes [Yaping Huang ...
Tags: GaN, LEDs, LED heterostructure
Meijo and Nagoya universities in Japan have developed a laser lift-off (LLO) technique for removing gallium nitride (GaN) substrates from ultraviolet (UV) light-emitting diodes (LEDs) to improve light extraction efficiency [Daisuke Iida et ...
University of California, Santa Barbara (UCSB) has used photo-electro-chemical etch (PEC) to create 405nm-wavelength vertical-cavity surface-emitting lasers (VCSELs) based on indium gallium nitride (InGaN) multiple quantum wells (MQWs) [C. ...
China's Nanjing University of Posts and Telecommunications has improved the performance of indium gallium nitride (InGaN) light-emitting diodes (LEDs) on silicon (Si) substrate by removing the substrate from the region under the device ...
Tags: Silicon wafer, Electrical, Electronics
Massachusetts Institute of Technology (MIT) has demonstrated gallium nitride (GaN) vertical Schottky and p-n diodes on silicon Si substrates “for the first time” [Yuhao Zhang et al, IEEE Electron Device Letters, published online ...
Tags: GaN, MOCVD, Gallium Nitride Diodes
Sun Yat-sen University in China has improved the wall-plug efficiency of indium gallium nitride (InGaN) light-emitting diodes (LEDs) grown on silicon by incorporating a distributed Bragg reflector (DBR) [Yibin Yang et al, Appl. Phys. ...
Tags: InGaN LEDs, Silicon, semiconductor
Researchers in France have reported on solar cell devices based on indium gallium nitride (InGaN) multiple quantum wells (MQWs) [Sirona Valdueza-Felip et al, Appl. Phys. Express, vol7, p032301, 2014]. Conversion efficiencies of up to 2% ...
Tags: Solar Cells, InGaN
Researchers associated with Taiwan National Central University and Epistar Corp are developing a method to transfer indium gallium nitride (InGaN) light-emitting diodes (LEDs) to ceramic aluminium nitride (AlN) substrates for high-voltage ...
Tags: InGaN LED, Ceramic Substrate
Researchers at Korea's Chonbuk National University and Korea Institute of Science and Technology have improved the contact of graphene with p-type gallium nitride (p-GaN), resulting in improved near-ultraviolet (NUV) light-emitting diodes ...
Tags: Near-ultraviolet LEDs, Graphene GaN MOCVD, Gallium Nitride
Researchers in China have developed a selective area epitaxy (SAE) approach to create nanopyramids of nitride semiconductor 'white' light-emitting diodes (LEDs) without using phosphors [Kui Wu et al, Appl. Phys. Lett., vol103, p241107, ...
Tags: Electrical, Electronics, LED
Researchers based in Korea and Egypt have used wafer thinning to increase the efficiency of nitride semiconductor green light-emitting diodes (LEDs) [Wael Z. Tawfik et al, Appl. Phys. Express, vol6, p122103, 2013]. The contributing ...