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

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

doi:10.1021/acsenergylett.7b00925

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

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

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

108 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	30-38
Number of pages	9
Journal	ACS Energy Letters
Volume	3
Issue number	1
DOIs	https://doi.org/10.1021/acsenergylett.7b00925
Publication status	Published - 12 Jan 2018

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title = "Congeneric Incorporation of CsPbBr3 Nanocrystals in a Hybrid Perovskite Heterojunction for Photovoltaic Efficiency Enhancement",

abstract = "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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T1 - Congeneric Incorporation of CsPbBr3 Nanocrystals in a Hybrid Perovskite Heterojunction for Photovoltaic Efficiency Enhancement

AU - Zai, Huachao

AU - Zhu, Cheng

AU - Xie, Haipeng

AU - Zhao, Yizhou

AU - Shi, Congbo

AU - Chen, Zhenxin

AU - Ke, Xiaoxing

AU - Sui, Manling

AU - Chen, Changfeng

AU - Hu, Jinsong

AU - Zhang, Qingshan

AU - Gao, Yongli

AU - Zhou, Huanping

AU - Li, Yujing

AU - Chen, Qi

PY - 2018/1/12

Y1 - 2018/1/12

N2 - 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.

AB - 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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JO - ACS Energy Letters

JF - ACS Energy Letters

IS - 1

ER -

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

Abstract

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