<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="7.x">Drupal-Biblio</source-app><ref-type>17</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">Yu, Wenjin</style></author><author><style face="normal" font="default" size="100%">Zhang, Yuqing</style></author><author><style face="normal" font="default" size="100%">Qu, Bo</style></author><author><style face="normal" font="default" size="100%">Chen, Zhijian</style></author><author><style face="normal" font="default" size="100%">Xiao, Lixin</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Strategies to improve the external quantum efficiency of perovskite light-emitting diode</style></title><secondary-title><style face="normal" font="default" size="100%">CHINESE SCIENCE BULLETIN-CHINESE</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2021</style></year></dates><number><style face="normal" font="default" size="100%">17</style></number><volume><style face="normal" font="default" size="100%">66</style></volume><pages><style face="normal" font="default" size="100%">2151-2161</style></pages><language><style face="normal" font="default" size="100%">eng</style></language></record></records></xml>