NDLI: Enhancing performance and uniformity of CH3NH3PbI3−xClx perovskite solar cells by air-heated-oven assisted annealing under various humidities

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Enhancing performance and uniformity of CH3NH3PbI3−xClx perovskite solar cells by air-heated-oven assisted annealing under various humidities

Content Provider	Semantic Scholar
Author	Zhou, Qing Jin, Zhiwen Wang, Jizheng
Copyright Year	2016
Abstract	UNLABELLED To fabricate high-performance metal-halide perovskite solar cells, a thermal annealing process is indispensable in preparing high quality perovskite film. And usually such annealing is performed on hot plate. However hot-plate annealing could cause problems such as inhomogeneous heating (induced by non-tight contact between the sample and the plate), it is also not fit for large scale manufactory. In this paper, we conduct the annealing process in air-heated oven under various humidity environments, and compared the resulted films (CH3NH3PbI(3-x)Cl(x)) and devices (Al/PC61BM/CH3NH3PbI(3-x)Cl(x)/ PEDOT PSS/ITO/glass) with that obtained via hot-plate annealing. It is found that the air-heated-oven annealing is superior to the hot-plate annealing: the annealing time is shorter, the films are more uniform, and the devices exhibit higher power conversion efficiency and better uniformity. The highest efficiencies achieved for the oven and hot-plate annealing processes are 14.9% and 13.5%, and the corresponding standard deviations are 0.5% and 0.8%, respectively. Our work here indicates that air-heated-oven annealing could be a more reliable and more efficient way for both lab research and large-scale production.
File Format	PDF HTM / HTML
DOI	10.1038/srep21257
PubMed reference number	26879260
Journal	Medline
Volume Number	6
Alternate Webpage(s)	https://media.nature.com/original/nature-assets/srep/2016/160216/srep21257/extref/srep21257-s1.pdf
Alternate Webpage(s)	https://doi.org/10.1038/srep21257
Journal	Scientific reports
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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