材料科学
钙钛矿(结构)
光伏系统
铬
卤化物
金属
电极
氧化物
纳米技术
化学工程
光电子学
无机化学
冶金
电气工程
化学
物理化学
工程类
作者
Martin Kaltenbrunner,Getachew Adam,Eric Daniel Głowacki,Michael Drack,Reinhard Schwödiauer,Lucia Leonat,Doğukan Hazar Apaydın,Heiko Groiß,Markus C. Scharber,Matthew S. White,Niyazi Serdar Sariçiftçi,Siegfried Bauer
出处
期刊:Nature Materials
[Springer Nature]
日期:2015-08-24
卷期号:14 (10): 1032-1039
被引量:802
摘要
Photovoltaic technology requires light-absorbing materials that are highly efficient, lightweight, low cost and stable during operation. Organolead halide perovskites constitute a highly promising class of materials, but suffer limited stability under ambient conditions without heavy and costly encapsulation. Here, we report ultrathin (3 μm), highly flexible perovskite solar cells with stabilized 12% efficiency and a power-per-weight as high as 23 W g(-1). To facilitate air-stable operation, we introduce a chromium oxide-chromium interlayer that effectively protects the metal top contacts from reactions with the perovskite. The use of a transparent polymer electrode treated with dimethylsulphoxide as the bottom layer allows the deposition-from solution at low temperature-of pinhole-free perovskite films at high yield on arbitrary substrates, including thin plastic foils. These ultra-lightweight solar cells are successfully used to power aviation models. Potential future applications include unmanned aerial vehicles-from airplanes to quadcopters and weather balloons-for environmental and industrial monitoring, rescue and emergency response, and tactical security applications.
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