Application of high-efficiency green fluorescent carbon dots prepared by acid catalysis in multicolour LEDs
文献类型： 外文期刊
第一作者： An, Yulong
作者： An, Yulong;Liu, Can;Li, Yan;Chen, Menglin;Zheng, Yunwu;Shi, Rui;He, Xiahong;Lin, Xu;Liu, Can;Zheng, Yunwu;Lin, Xu;Tian, Hao
作者机构：
期刊名称：RSC ADVANCES （ 影响因子：3.361； 五年影响因子：3.39 ）
ISSN：
年卷期： 2021 年 11 卷 60 期
页码：
收录情况： SCI
摘要： Acidic reagents play an important role in the preparation of carbon dots (CDs). Therefore, we prepared efficient green fluorescent CDs by potassium bisulfate, acetic acid and hydrochloric acid catalysis and discussed why the acid catalyst induced a fluorescence redshift and improved the quantum yield of the CDs. Furthermore, the concentration-dependent photoluminescence behaviour of the CDs was characterized. CD/PVA composites emitting green to yellow light were obtained by exploiting the fluorescence tunability of CDs. Based on different light-emitting diode substrates, green, yellow and white light-emitting diodes with excellent performance were prepared.
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