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Issue 49, 2016, Issue in Progress
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Efficient perovskite solar cell fabricated in ambient air using one-step spin-coating

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Abstract

One-step spin coating is a simple method which has been widely used in fabricating perovskite solar cells. However, this method was vastly demonstrated in glove box wherein the influence of moisture is negligible. Thus the use of one-step spin-coating in ambient air has not been comprehensively investigated. In this work, we employ one-step spin-coating method to coat perovskite films in ambient air (with humidity above 50%), and then the perovskite films are annealed in vacuum or air. Experimental results show that by using vacuum annealing, a power conversion efficiency of 12.98% is attained, and this is 45% higher than that attained by air annealing method. This improvement is mainly attributed to the fast solvent evaporation process in vacuum during annealing, which induces high supersaturation that leads to higher coverage of perovskite film.

Graphical abstract: Efficient perovskite solar cell fabricated in ambient air using one-step spin-coating

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Publication details

The article was received on 05 Mar 2016, accepted on 25 Apr 2016 and first published on 26 Apr 2016


Article type: Paper
DOI: 10.1039/C6RA05893K
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Citation: RSC Adv., 2016,6, 43299-43303
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    Efficient perovskite solar cell fabricated in ambient air using one-step spin-coating

    G. Wang, D. Liu, J. Xiang, D. Zhou, K. Alameh, B. Ding and Q. Song, RSC Adv., 2016, 6, 43299
    DOI: 10.1039/C6RA05893K

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