三卤化物
微晶
材料科学
结晶
晶界
钙钛矿(结构)
单晶
三溴
Crystal(编程语言)
卤化物
碘化物
扩散
化学工程
分析化学(期刊)
化学
结晶学
无机化学
复合材料
冶金
微观结构
程序设计语言
色谱法
热力学
计算机科学
工程类
物理
作者
Dong Shi,Valerio Adinolfi,Riccardo Comin,Mingjian Yuan,Erkki Alarousu,Andrei Buin,Yin Chen,Sjoerd Hoogland,A. Rothenberger,Khabiboulakh Katsiev,Yaroslav Losovyj,Xin Zhang,P. A. Dowben,Omar F. Mohammed,Edward H. Sargent,Osman M. Bakr
出处
期刊:Science
[American Association for the Advancement of Science (AAAS)]
日期:2015-01-29
卷期号:347 (6221): 519-522
被引量:4436
标识
DOI:10.1126/science.aaa2725
摘要
Large-crystal perovskite films The performance of organic-inorganic hybrid perovskite planar solar cells has steadily improved. One outstanding issue is that grain boundaries and defects in polycrystalline films degrade their output. Now, two studies report the growth of millimeter-scale single crystals. Nie et al. grew continuous, pinhole-free, thin iodochloride films with a hot-casting technique and report device efficiencies of 18%. Shi et al. used antisolvent vapor-assisted crystallization to grow millimeter-scale bromide and iodide cubic crystals with charge-carrier diffusion lengths exceeding 10 mm. Science , this issue p. 522 , p. 519
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