Minimising efficiency roll-off in high-brightness perovskite light-emitting diodes

Wei Zou, Renzhi Li, Shuting Zhang, Yunlong Liu, Nana Wang, Yu Cao, Yanfeng Miao, Mengmeng Xu, Qiang Guo, Dawei Di, Li Zhang, Chang Yi, Feng Gao, Richard H. Friend, Jianpu Wang, Wei Huang