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Congeneric Incorporation of CsPbBr3 Nanocrystals in a Hybrid Perovskite Heterojunction for Photovoltaic Efficiency Enhancement AITranslate

Huachao Zai; Cheng Zhu; Haipeng Xie; Yizhou Zhao; Congbo Shi; Zhenxin Chen; Xiaoxing Ke; Manling Sui; Changfeng Chen; Jinsong Hu; Qingshan Zhang; Yongli Gao; Huanping Zhou; Yujing Li; Qi Chen;
China University of Petroleum; Beijing Institute of Technology; Central South University; China University of Petroleum; Beijing Institute of Technology; Beijing University of Technology; Beijing University of Technology; Beijing University of Technology; China University of Petroleum; Institute of Chemistry; Beijing Institute of Technology; University of Rochester; Peking University; Beijing Institute of Technology; Beijing Institute of Technology
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Abstract AITranslate

Organic–inorganic hybrid perovskite materials have had remarkable success in photovoltaics due to their superior optoelectronic properties and compositional abundance. Most advances focus on the improvement of the heterojunction, in which nonperovskite materials are employed at the pertaining interfaces. Herein we demonstrate the modification of perovskite absorber by incorporation of CsPbBr3 nanocrystals, which is congeneric to the absorber in terms of crystal structure and stoichiometry. It led to significant enhancement in photovoltaic performance in the corresponding devices, which was mainly attributed to the improved carrier dynamics over the resultant heterojunction. Therefore, a different strategy is suggested for further improvement of the perovskite heterojunction by using congeneric materials.

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DOI：https://doi.org/10.1021/acsenergylett.7b00925

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Citation Information:

Organic–inorganic hybrid perovskite materials have had remarkable success in photovoltaics due to their superior optoelectronic properties and compositional abundance. Most advances focus on the improvement of the heterojunction, in which nonperovskite materials are employed at the pertaining interfaces. Herein we demonstrate the modification of perovskite absorber by incorporation of CsPbBr3 nanocrystals, which is congeneric to the absorber in terms of crystal structure and stoichiometry. It led to significant enhancement in photovoltaic performance in the corresponding devices, which was mainly attributed to the improved carrier dynamics over the resultant heterojunction. Therefore, a different strategy is suggested for further improvement of the perovskite heterojunction by using congeneric materials.

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GB/T 7714-2015 [1] Huachao Zai, Cheng Zhu, Haipeng Xie, et al. ACS Energy Letters, 2018(3). DOI:10.1021/acsenergylett.7b00925.
MLA [1] Huachao Zai, et al., ACS Energy Letters, no. 3, 2018, https://doi.org/10.1021/acsenergylett.7b00925.
APA [1] Huachao Zai, Cheng Zhu, Haipeng Xie, Yizhou Zhao, Congbo Shi, Zhenxin Chen, Xiaoxing Ke, Manling Sui, Changfeng Chen, Jinsong Hu, Qingshan Zhang, Yongli Gao, Huanping Zhou, Yujing Li, & Qi Chen. (2018). ACS Energy Letters(3). https://doi.org/10.1021/acsenergylett.7b00925
IEEE [1] Huachao Zai, Cheng Zhu, Haipeng Xie, Yizhou Zhao, Congbo Shi, Zhenxin Chen, Xiaoxing Ke, Manling Sui, Changfeng Chen, Jinsong Hu, Qingshan Zhang, Yongli Gao, Huanping Zhou, Yujing Li, and Qi Chen, ACS Energy Letters, no. 3, 2018, doi: 10.1021/acsenergylett.7b00925.