| CROSS-DISCIPLINARY PHYSICS AND RELATED AREAS OF SCIENCE AND TECHNOLOGY |
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Suppressing Charge Recombination in ZnO-Nanorod-Based Perovskite Solar Cells with Atomic-Layer-Deposition TiO2 |
| DONG Juan1, XU Xin1, SHI Jiang-Jian1, LI Dong-Mei1, LUO Yan-Hong1, MENG Qing-Bo1**, CHEN Qiang2** |
1Key Laboratory for Renewable Energy (CAS), Beijing Key Laboratory for New Energy Materials and Devices, Beijing National Laboratory for Condensed Matter Physics, and Institute of Physics, Chinese Academy of Sciences, Beijing 100190
2Laboratory of Plasma Physics and Materials, Beijing Institute of Graphic Communication, Beijing 102600
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| Cite this article: |
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DONG Juan, XU Xin, SHI Jiang-Jian et al 2015 Chin. Phys. Lett. 32 078401 |
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Abstract ZnO nanorods are passivated with a TiO2 interfacial layer prepared by the atomic layer deposition method and applied in the CH3NH3PbI3 perovskite solar cell, which show a positive effect on the fill factor and power conversion efficiency. With TiO2 interfacial passivation, the charge recombination in the ZnO/CH3NH3PbI3 interface is effectively suppressed and the maximum power conversion efficiency is enhanced from 11.9% to 13.4%.
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Received: 17 January 2015
Published: 30 July 2015
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| PACS: |
84.60.Jt
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(Photoelectric conversion)
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79.60.Jv
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(Interfaces; heterostructures; nanostructures)
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84.60.Bk
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(Performance characteristics of energy conversion systems; figure of merit)
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82.45.Yz
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(Nanostructured materials in electrochemistry)
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