The application of Zn0.8Cd0.2S nanocrystals in white light emitting diodes devices

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Title:	The application of Zn0.8Cd0.2S nanocrystals in white light emitting diodes devices
Authors:	王冠文;Chen, Ya-Ching;Siao, Cyuan-Bin;Chen, Hong-Shuo;Wang, Kuan-Wen;Chung, Shu-Ru
Contributors:	工學院材料科學與工程研究所
Date:	2015-01-01
Issue Date:	2026-04-23 11:46:43 (UTC+8)
Publisher:	Royal Society of Chemistry
Abstract:	摘要： In this study, colloidal ternary semiconductor Zn 0.8 Cd 0.2 S (ZnCdS) nanocrystals (NCs) with wide emission and high quantum yields (QYs) have been prepared and used as nanophosphors in white light emitting diodes (WLEDs). The optical properties of ZnCdS NCs-based WLEDs including Commission Internationale de l'Eclairage (CIE) chromaticity coordinates, correlated color temperature (CCT), color rendering index (CRI) and luminous efficiency can be adjusted by the various ZnCdS NCs, using different carbon chain lengths of alkenes as surface ligands, reaction time, NCs contents and encapsulation methods. The optimal conditions of CIE, CRI, CCT and luminous efficiency, and decay during stability test for ZnCdS NCs-based WLEDs are (0.32, 0.30), 82, 6811 K, 4.26 lm W −1 , and 0.036 lm W −1 h −1 , respectively by the UV chip with only one type of ZnCdS NCs layer. The results have exhibited the potential application of ZnCdS NCs as nanophosphors in WLEDs. In this study, colloidal ternary semiconductor Zn 0.8 Cd 0.2 S (ZnCdS) nanocrystals (NCs) with wide emission and high quantum yields (QYs) have been prepared and used as nanophosphors in white light emitting diodes (WLEDs). 出版日期： 2015-10-15 資源來源： Royal Society of Chemistry 識別號： EISSN: 2046-2069 識別號： DOI: 10.1039/c5ra15068j
Appears in Collections:	[Institute of Materials Science and Engineering] journal & Dissertation

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