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508 Newest Publications about the topic leds


Semipolar (112―2) InGaN light‐emitting diodes grown on chemically–mechanically polished GaN templates

23-Jun-2015 | Duc V. Dinh, Mahbub Akhter, Silvino Presa, Grzegorz Kozlowski, Donagh O'Mahony, Pleun P. Maaskant, Frank Brunner, Ma ..., physica status solidi (a), 2015

Abstract Abstractauthoren InGaN multiple quantum well light‐emitting diodes (LEDs) were grown on chemically–mechanically polished (112) GaN templates (up to 100 mm diameter wafers) by metalorganic vapour phase epitaxy. Initial GaN overgrowth on the polished templates in nitrogen ambient ...


An orange emitting phosphor Lu2−xCaMg2Si2.9Ti0.1O12:xCe with pure garnet phase for warm white LEDs

21-Jun-2015 | Author(s): Yaoqing Chu , Qinghong Zhang , Jiayue Xu , Yaogang Li , Hongzhi Wang, Journal of Solid State Chemistry, 2015

Publication date: September 2015 Source:Journal of Solid State Chemistry, Volume 229 Author(s): Yaoqing Chu , Qinghong Zhang , Jiayue Xu , Yaogang Li , Hongzhi Wang A new silicate garnet phosphor, Lu2−x CaMg2Si2.9Ti0.1O12:xCe was synthesized by a high temperature solid-state reaction ...


ZnO Nanorod Arrays as Electron Injection Layers for Efficient Organic Light Emitting Diodes

18-Jun-2015 | Jorge C. D. Faria, Alasdair J. Campbell, Martyn A. McLachlan, Advanced Functional Materials, 2015

Nanostructured oxide arrays have received significant attention as charge injection and collection electrodes in numerous optoelectronic devices. Zinc oxide (ZnO) nanorods have received particular interest owing to the ease of fabrication using scalable, solution processes with a high degree of ...


ChemInform Abstract: Cobalt‐Catalyzed Cross‐Dehydrogenative Coupling Reaction in Water by Visible Light.

18-Jun-2015 | Cheng‐Juan Wu, Jian‐Ji Zhong, Qing‐Yuan Meng, Tao Lei, Xue‐Wang Gao, Chen‐Ho Tung, Li‐Zhu Wu, ChemInform, 2015

Abstract Tetrahydroisoquinolines (I) and indoles (II) and (IV) are regioselectively coupled using CoCl2/DMG as photosensitizer and blue LEDs.


Selective Photooxidation of a Mustard‐Gas Simulant Catalyzed by a Porphyrinic Metal–Organic Framework

17-Jun-2015 | Yangyang Liu, Ashlee J. Howarth, Joseph T. Hupp, Omar K. Farha, Angewandte Chemie International Edition, 2015

Abstract The photooxidation of a mustard‐gas simulant, 2‐chloroethyl ethyl sulfide (CEES), is studied using a porphyrin‐based metal–organic framework (MOF) catalyst. At room temperature and neutral pH value, singlet oxygen is generated by PCN‐222/MOF‐545 using an inexpensive and commercially ...


A double substitution induced Ca(Mg0.8, Al0.2)(Si1.8, Al0.2)O6:Eu2+ phosphor for w-LEDs: Synthesis, Structure, and Luminescence Properties

17-Jun-2015 | Yang Li; Wenjing Liu; Xicheng Wang; Ge Zhu; Chuang Wang; Yuhua Wang, Dalton Transactions, 2015

A double substitution induced blue-emitting phosphor Ca(Mg0.8, Al0.2)(Si1.8, Al0.2)O6:Eu2+ (CMAS:Eu2+) was successfully synthesized by solid-state reaction process, the structure and luminescence properties were investigated in detail. The crystal structure and chemical composition of CMAS matrix ...


Strong Single‐Band Blue Emission from Colloidal Ce3+/Tm3+‐Doped NaYF4 Nanocrystals for Light‐Emitting Applications

12-Jun-2015 | Venkata N. K. B. Adusumalli, Shyam Sarkar, Venkataramanan Mahalingam, ChemPhysChem, 2015

Abstract An intense single‐band blue emission at λ=450 nm is observed from Tm3+ ions through Ce3+ sensitization, for the first time, in colloidal Ce3+/Tm3+‐doped NaYF4 nanocrystals. The intense Tm3+ emission through broad‐band excitation is advantageous for developing luminescent ...


Optoelectronics: High‐Performance Planar Perovskite Optoelectronic Devices: A Morphological and Interfacial Control by Polar Solvent Treatment (Adv. Mater. 23/2015)

11-Jun-2015 | Jae Choul Yu, Da Bin Kim, Gyoelim Baek, Bo Ram Lee, Eui Dae Jung, Seungjin Lee, Jae Hwan Chu, Doh‐Kwon Lee, Kyoung J ..., Advanced Materials, 2015

On page 3492, S. U. Cho, M. H. Song, and co‐workers demonstrate highly efficient planar perovskite light‐emitting diodes (LEDs) and solar cells by applying amine‐based solvent treatment on compact TiO2 and optimizing the morphology of the perovskite layers. This technique can be utilized as a ...


ChemInform Abstract: Photoredox Removal of p‐Methoxybenzyl Ether Protecting Group with Hydrogen Peroxide as Terminal Oxidant.

11-Jun-2015 | Zheng Liu, Yi Zhang, Zheren Cai, Hao Sun, Xu Cheng, ChemInform, 2015

Abstract Green LEDs are used as light source.


Colloidal CdSe1–xSx Nanoplatelets with Narrow and Continuously-Tunable Electroluminescence

04-Jun-2015 | Fengjia Fan; Pongsakorn Kanjanaboos; Mayuran Saravanapavanantham; Eric Beauregard; Grayson Ingram; Emre Yassitepe; M ..., Nano Letters, 2015

Colloidal nanoplatelets, quasi-two-dimensional quantum wells, have recently been introduced as colloidal semiconductor materials with the narrowest known photoluminescence line width (∼10 nm). Unfortunately, these materials have not been shown to have continuously tunable emission but rather emit ...


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