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

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Wangen ZhaoShengzhong Frank Liu

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.

References

Apr 16, 2009·Journal of the American Chemical Society·Akihiro KojimaTsutomu Miyasaka
Jul 8, 2014·ACS Applied Materials & Interfaces·Wangen ZhaoDaocheng Pan
Aug 8, 2015·Advanced Materials·Yucheng LiuShengzhong Frank Liu
Aug 12, 2015·The Journal of Physical Chemistry Letters·Andrea ListortiIvan Mora-Sero
Aug 13, 2015·The Journal of Physical Chemistry Letters·Yuanyuan ZhouNitin P Padture
Aug 19, 2015·The Journal of Physical Chemistry Letters·Rafael S SanchezJuan Bisquert
Dec 17, 2015·Advanced Materials·Yuming WangWei Huang
Feb 11, 2016·ACS Applied Materials & Interfaces·Santanu Bag, Michael F Durstock

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Citations

Aug 7, 2018·Advanced Materials·Yingjun SunShaojun Guo
Jul 16, 2019·Advanced Materials·Kai WangShengzhong Frank Liu
Apr 4, 2018·Advanced Science·Wangen ZhaoShengzhong Frank Liu
Jan 8, 2021·Chemical Society Reviews·Ammarah KausarYue Zhang
Oct 26, 2018·Journal of the American Chemical Society·Mingyu ZhangXiaowei Zhan
Sep 24, 2021·Advanced Materials·Jingru ZhangShengzhong Frank Liu

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