Morphology and topography of perovskite solar cell films ablated and scribed with short and ultrashort laser pulses

被引：37
作者：
Bayer, Lukas [1 ]
Ehrhardt, Martin [1 ]
Lorenz, Pierre [1 ]
Pisoni, Stefano [2 ]
Buecheler, Stephan [2 ]
Tiwari, Ayodhya N. [2 ]
Zimmer, Klaus [1 ]
机构：
[1] Leibniz Inst Oberflachenmodifizierung eV, Permoserstr 15, D-04318 Leipzig, Germany
[2] Swiss Fed Labs Mat Sci & Technol, Empa, Lab Thin Films & Photovolta, Uberlandstr 129, CH-8600D~BE Dubendorf, Switzerland
来源：
APPLIED SURFACE SCIENCE | 2017年 / 416卷
关键词：
Laser; Laser ablation; Perovskites; Scribing; Ultrashort pulse;
D O I：
10.1016/j.apsusc.2017.04.058
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The unique properties of halide perovskites are suitable for low-cost high-efficiency photovoltaic applications. For commercialization of this technology, it is pivotal to upscale towards solar modules. Monolithic interconnection of solar cells is a necessary step for realization of thin-film solar modules and the laser scribing of the constituent layers with well-defined profiles of high accuracy is a promising approach for high speed processing. Here the laser ablation and scribing of methylammonium lead iodide perovskite (CH3NH3PbI3: MAPbI(3)) layers are investigated. Nanosecond (ns) and picosecond (ps) laser pulses were used to ablate and scribe MAPbI(3) films on FTO/glass by irradiation from the film- and the glass-side. Depending on the irradiation configuration laser ablation or lift-off delamination was determined to be the dominating mechanism of thin-film removal. Various surface modifications such as film smoothening and decomposition of the MAPbI3 have been observed, especially when nanosecond laser pulses are used. The complete removal of the MAPbI(3), film without damaging the FTO/substrate, has been achieved for all studied laser sources. (C) 2017 Elsevier B.V. All rights reserved.
引用
收藏
页码：112 / 117
页数：6
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