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Issue 43, 2016
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2D/3D perovskite hybrids as moisture-tolerant and efficient light absorbers for solar cells

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Abstract

The lifetime and power conversion efficiency are the key issues for the commercialization of perovskite solar cells (PSCs). In this paper, the development of 2D/3D perovskite hybrids (CA2PbI4/MAPbIxCl3−x) was firstly demonstrated to be a reliable method to combine their advantages, and provided a new concept for achieving both stable and efficient PSCs through the hybridization of perovskites. 2D/3D perovskite hybrids afforded significantly-improved moisture stability of films and devices without encapsulation in a high humidity of 63 ± 5%, as compared with the 3D perovskite (MAPbIxCl3−x). The 2D/3D perovskite-hybrid film did not undergo any degradation after 40 days, while the 3D perovskite decomposed completely under the same conditions after 8 days. The 2D/3D perovskite-hybrid device maintained 54% of the original efficiency after 220 hours, whereas the 3D perovskite device lost all the efficiency within only 50 hours. Moreover, the 2D/3D perovskite hybrid achieved comparable device performances (PCE: 13.86%) to the 3D perovskite (PCE: 13.12%) after the optimization of device fabrication conditions.

Graphical abstract: 2D/3D perovskite hybrids as moisture-tolerant and efficient light absorbers for solar cells

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Publication details

The article was received on 13 Jun 2016, accepted on 26 Aug 2016 and first published on 26 Aug 2016


Article type: Paper
DOI: 10.1039/C6NR04741F
Citation: Nanoscale, 2016,8, 18309-18314
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    2D/3D perovskite hybrids as moisture-tolerant and efficient light absorbers for solar cells

    C. Ma, C. Leng, Y. Ji, X. Wei, K. Sun, L. Tang, J. Yang, W. Luo, C. Li, Y. Deng, S. Feng, J. Shen, S. Lu, C. Du and H. Shi, Nanoscale, 2016, 8, 18309
    DOI: 10.1039/C6NR04741F

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