Preparation and Electroluminescence Properties of CsPbI3/ZnO/GaN Nano-composite Structure

doi:10.37188/CJL.20210225

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	Preparation and Electroluminescence Properties of CsPbI3/ZnO/GaN Nano-composite Structure
	X.-Y. Zhou; J. Zhang; F.-Z. Zhao; X.-B. Chu; S.-L. He; F.-W. Zhou; R.-Y. Yan; X.-E. Xue; Z.-C. Ren; Q.-Y. Zheng and L.-C. Zhang
	2021
发表期刊	Faguang Xuebao/Chinese Journal of Luminescence
ISSN	10007032
卷号	42 期号:11 页码:1748-1755
摘要	Herein, ZnO nanowires and CsPbI3 nanostructures were prepared on p-GaN substrates by high pressure pulsed laser deposition and solution spin coating, sequentially. The structure, morphology and optical properties were investigated by X-ray diffraction, scanning electron microscopy and photoluminescence. The light-emitting diode(LED) fabricated with the nano-composite structure exhibited strong visible wide band light emission under forward bias, the electroluminescence(EL) spectrum consists of a blue peak at 440 nm, the yellow-green emission band at 500-650 nm and a red peak at 705 nm. With the increase of the injection current, the EL color of the device changes from nearly white to blue gradually, and with the decrease of the spinning speed of CsPbI3, the EL color of the device changes from blue light to yellow light gradually. At last, the EL mechanisms of heterojunction LEDs were discussed using the band diagram, and the reason why the emission spectrum of the device changes with the injection current and spin coating speed was explained. The CsPbI3/ZnO nano-composite can adjust the spectral color coordinates from blue to white, which provides a new way for single chip white LED. 2021, Science Press. All right reserved.
DOI	10.37188/CJL.20210225
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收录类别	EI
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/65552
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	X.-Y. Zhou,J. Zhang,F.-Z. Zhao,et al. Preparation and Electroluminescence Properties of CsPbI3/ZnO/GaN Nano-composite Structure[J]. Faguang Xuebao/Chinese Journal of Luminescence,2021,42(11):1748-1755.
APA	X.-Y. Zhou.,J. Zhang.,F.-Z. Zhao.,X.-B. Chu.,S.-L. He.,...&Q.-Y. Zheng and L.-C. Zhang.(2021).Preparation and Electroluminescence Properties of CsPbI3/ZnO/GaN Nano-composite Structure.Faguang Xuebao/Chinese Journal of Luminescence,42(11),1748-1755.
MLA	X.-Y. Zhou,et al."Preparation and Electroluminescence Properties of CsPbI3/ZnO/GaN Nano-composite Structure".Faguang Xuebao/Chinese Journal of Luminescence 42.11(2021):1748-1755.

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