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Zhao W, Yang D, Liu SF. Organic-Inorganic Hybrid Perovskite with Controlled Dopant Modification and Application in Photovoltaic Device. Small. 2017;13(25)doi: 10.1002/smll.201604153.
Zhao, W., Yang, D., & Liu, S. F. (2017). Organic-Inorganic Hybrid Perovskite with Controlled Dopant Modification and Application in Photovoltaic Device. Small (Weinheim an der Bergstrasse, Germany), 13(25), . https://doi.org/10.1002/smll.201604153
Zhao, Wangen, et al. "Organic-Inorganic Hybrid Perovskite with Controlled Dopant Modification and Application in Photovoltaic Device." Small (Weinheim an der Bergstrasse, Germany) vol. 13,25 (2017). doi: https://doi.org/10.1002/smll.201604153
Zhao W, Yang D, Liu SF. Organic-Inorganic Hybrid Perovskite with Controlled Dopant Modification and Application in Photovoltaic Device. Small. 2017 Jul;13(25). doi: 10.1002/smll.201604153. Epub 2017 May 16. PMID: 28508587.
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Small. 2017 Jul;13(25). doi: 10.1002/smll.201604153. Epub 2017 May 16.

Organic-Inorganic Hybrid Perovskite with Controlled Dopant Modification and Application in Photovoltaic Device.

Small (Weinheim an der Bergstrasse, Germany)

Wangen Zhao, Dong Yang, Shengzhong Frank Liu

Affiliations

  1. Key Laboratory for Applied Surface and Colloid Chemistry, National Ministry of Education, Shaanxi Engineering Lab for Advanced Energy Technology, School of Materials Science and Engineering, Shaanxi Normal University, Xi'an, 710062, China.
  2. Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.

PMID: 28508587 DOI: 10.1002/smll.201604153

Abstract

Organic-inorganic hybrid perovskite as a kind of promising photovoltaic material is booming due to its low-cost, high defect tolerance, and easy fabrication, which result in the huge potential in industrial production. In the pursuit of high efficiency photovoltaic devices, high-quality absorbing layer is essential. Therefore, developing organic-inorganic hybrid perovskite thin films with good coverage, improved uniformity, and crystalline in a single pass deposition is of great concern in realizing good performance of perovskite thin-film solar cell. Here, it is found that the introduction of suitable amounts of LiI plays a dramatically positive role in enlarging the grain size and reducing the grain boundaries of absorbing layer. In addition, the carrier lifetime and built-in potential of the LiI doped perovskite device are observed to increase. Thus, it leads to about 15% gain in solar cell efficiency comparing to that without the LiI doping. Meanwhile, a hysteresis reduction is observed and 18.16% power conversion efficiency is achieved in LiI doped perovskite device, as well.

© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords: doping; passivation; perovskite; planar construction

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