Mesoporous Aluminum Hydroxide Synthesized by a Single-Source Precursor-Decomposition Approach as a High-Quantum-Yield Blue Phosphor for UV-Pumped White-Light-Emitting Diodes

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• 作者：Bingkun Chen ; Andrei S. Susha ; Claas J. Reckmeier ; Stephen V. Kershaw ; Yongtian Wang ; Bingsuo Zou ; Haizheng Zhong and Andrey L. Rogach
• 刊名：Advanced Materials
• 出版年：2017
• 出版时间：January 4, 2017
• 年：2017
• 卷：29
• 期：1
• 全文大小：5763K
• ISSN：1521-4095

文摘

Strongly emissive (photoluminescence quantum yield up to 65%), thermally stable aluminum hydroxide blue phosphors are synthesized by a single-source precursor-decomposition approach. Blue-emitting UV-pumped light-emitting diodes (LEDs) based on the aluminum hydroxide phosphor reach luminous efficiency of 27.5 lm W⁻¹, while UV-white-LEDs integrating blue-emitting aluminum hydroxide and red-emitting CuInS₂ nanocrystals achieve high color-rendering-index values of 94.3 and luminous efficiency of 23.5 lm W⁻¹.