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Issue 7, 2017
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A TiO2 nanotube network electron transport layer for high efficiency perovskite solar cells

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Abstract

The electron transport layer (ETL) plays a critical role in high efficiency perovskite solar cells. In this study, an anodic TiO2 nanotube film was transformed into a TiO2 nanotube network film, which maintained its advantage as an efficient ETL for perovskite solar cells. Compared with the mesoporous TiO2 nanoparticle ETL, the TiO2 nanotube network ETL can increase the efficiency of perovskite solar cells by 26.6%, which is attributed to its superior charge collection property and light trapping ability. The results confirm the importance of optimizing the electron collecting layer and suggest another way to design and fabricate novel perovskite solid state solar cells, potentially by using a TiO2 nanotube network film as an alternative high efficiency electrode.

Graphical abstract: A TiO2 nanotube network electron transport layer for high efficiency perovskite solar cells

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Publication details

The article was received on 11 Nov 2016, accepted on 04 Jan 2017 and first published on 02 Feb 2017


Article type: Communication
DOI: 10.1039/C6CP07733A
Citation: Phys. Chem. Chem. Phys., 2017,19, 4956-4961

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    A TiO2 nanotube network electron transport layer for high efficiency perovskite solar cells

    X. Gao, J. Li, S. Gollon, M. Qiu, D. Guan, X. Guo, J. Chen and C. Yuan, Phys. Chem. Chem. Phys., 2017, 19, 4956
    DOI: 10.1039/C6CP07733A

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