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Enhanced light extraction by heterostructure photonic crystals toward white-light-emission
文獻(xiàn)名： Enhanced light extraction by heterostructure photonic crystals toward white-light-emission
作者： Heng Lia, Zhaohua Xua , Bin Baob, Yanlin Songb
a Department of Material Technology, Jiangmen Polytechnic, Jiangmen, Guangdong 529090, PR China
b Beijing National Laboratory for Molecular Sciences (BNLMS), Key Laboratory of Green Printing, Key Laboratory of Organic Solids, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
摘要：In this work, we present a novel approach on the simultaneous enhancement of intensity of red, green, and blue (RGB) emission by heterostructure colloidal photonic crystals (PCs) with tri-stopbands. The intensity of RGB emission on heterostructure PCs with tri-stopbands overlapping emission wavelengths of RGB QDs can be up to about 8-fold enhancement in comparison to that on the control sample. Furthermore, CIE diagrams show the chromaticity parameters approaching that of white light. The method will be favorable for developing optical devices of high performance.
關(guān)鍵詞：Photonic crystals; Tri-stopbands; RGB emission; Heterostructure
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