Silica encapsulated ZnO quantum dot-phosphor nanocomposites: Sol-gel preparation and white light-emitting device application*

Project supported by the National Natural Science Foundation of China (Grant Nos. 21601159, 61604132, and U1604263) and the National Science Fund for Distinguished Young Scholars of China (Grant No. 61425021).

Liang Ya-Chuan1, Liu Kai-Kai2, †, Lu Ying-Jie1, Zhao Qi1, Shan Chong-Xin1
       

(color online) (a) EL spectra of the WLED coated with the ZSPN phosphors under different driven currents from 10 mA to 100 mA; (b) CCT and luminous efficiency of the fabricated LED under different driven currents; (c) CIE of the fabricated LED under different driven currents; (d) the photochrome image taken under the illumination of the WLED.