钙钛矿(结构)
材料科学
光伏系统
光电子学
卤化物
热致变色
相变
透明度(行为)
碘化物
纳米技术
化学工程
化学
计算机科学
无机化学
电气工程
工程类
量子力学
有机化学
物理
计算机安全
作者
Jia Lin,Minliang Lai,Letian Dou,Christopher S. Kley,Hong Chen,Fei Peng,Junliang Sun,Dylan Lu,Steven A. Hawks,Chenlu Xie,Fan Cui,A. Paul Alivisatos,David T. Limmer,Peidong Yang
出处
期刊:Nature Materials
[Springer Nature]
日期:2018-01-22
卷期号:17 (3): 261-267
被引量:637
标识
DOI:10.1038/s41563-017-0006-0
摘要
Smart photovoltaic windows represent a promising green technology featuring tunable transparency and electrical power generation under external stimuli to control the light transmission and manage the solar energy. Here, we demonstrate a thermochromic solar cell for smart photovoltaic window applications utilizing the structural phase transitions in inorganic halide perovskite caesium lead iodide/bromide. The solar cells undergo thermally-driven, moisture-mediated reversible transitions between a transparent non-perovskite phase (81.7% visible transparency) with low power output and a deeply coloured perovskite phase (35.4% visible transparency) with high power output. The inorganic perovskites exhibit tunable colours and transparencies, a peak device efficiency above 7%, and a phase transition temperature as low as 105 °C. We demonstrate excellent device stability over repeated phase transition cycles without colour fade or performance degradation. The photovoltaic windows showing both photoactivity and thermochromic features represent key stepping-stones for integration with buildings, automobiles, information displays, and potentially many other technologies.
科研通智能强力驱动
Strongly Powered by AbleSci AI