一种利用焦炭简单且绿色合成用于白光发光器件的碳量子点的方法。
A simple and green synthesis of carbon quantum dots from coke for white light-emitting devices.
作者信息
Feng Xiaoting, Zhang Yi
机构信息
Department of Chemistry and Chemical Engineering, Lu Liang University Lvliang 033001 China
出版信息
RSC Adv. 2019 Oct 21;9(58):33789-33793. doi: 10.1039/c9ra06946a. eCollection 2019 Oct 18.
Coke is a by-product of coal. This paper reports a simple and green chemical oxidation method for carbon quantum dots (CQDs) from coke for use in novel applications. The CQDs emit blue fluorescence and have a fluorescence quantum yield of 9.2% and blue-green-red spectral composition of 48%. A light-emitting diode (LED) was fabricated by combining the CQDs as a white-light converter with an ultraviolet chip. The Commission Internationale de L'Eclairage chromaticity coordinate (0.31, 0.35) and correlated color temperature (5125 K) of the LED are located in a cool white light zone, suggesting that they have superior potential application in lighting devices.
焦炭是煤炭的一种副产品。本文报道了一种从焦炭中制备用于新型应用的碳量子点（CQDs）的简单绿色化学氧化方法。这些碳量子点发出蓝色荧光，荧光量子产率为9.2%，蓝绿红光谱组成占48%。通过将碳量子点作为白光转换器与紫外芯片相结合，制造出了发光二极管（LED）。该发光二极管的国际照明委员会色度坐标（0.31，0.35）和相关色温（5125 K）位于冷白光区域，表明它们在照明设备中具有优异的潜在应用价值。
Zotero 插件