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Issue 4, 2018
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Fully printable hole-conductor-free mesoscopic perovskite solar cells based on mesoporous anatase single crystals

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Abstract

Mesoporous anatase singe crystal provides a large surface area and less carrier traps as compared to polycrystals; however, it is generally prepared with a particle size in micrometers by a complex method; this hinders its application as electron transport materials (ETMs) for mesoscopic perovskite solar cells (MPSCs). Herein, we fabricated a small-sized mesoporous anatase single crystal with a large surface area (169 m2 g−1) and an oliver-shape (about 120 nm in length and 60 nm in width) by a simple method and applied it as an ETM into a hole-conductor-free fully printable MPSC. As expected, a high-quality film was formed, and the device showed an obvious increase in efficiency as compared to the P25 (commercial TiO2)-based device due to the faster electron extraction from perovskite to the ETM. This suggests that the mesoporous anatase single crystal is a promising ETM candidate for producing efficient fully-printable hole-conductor-free MPSCs.

Graphical abstract: Fully printable hole-conductor-free mesoscopic perovskite solar cells based on mesoporous anatase single crystals

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Publication details

The article was received on 16 Nov 2017, accepted on 07 Jan 2018 and first published on 08 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ04448H
Citation: New J. Chem., 2018,42, 2669-2674
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    Fully printable hole-conductor-free mesoscopic perovskite solar cells based on mesoporous anatase single crystals

    Y. Xiong, Y. Liu, K. Lan, A. Mei, Y. Sheng, D. Zhao and H. Han, New J. Chem., 2018, 42, 2669
    DOI: 10.1039/C7NJ04448H

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