Low-temperature solution-processed perovskite solar cells with high efficiency and flexibility

Yang Yang; Jingbi You; Ziruo Hong; Qi Chen; Min Cai; Tze Bin Song; Chun Chao Chen; Shirong Lu; Yongsheng Liu; Huanping Zhou

doi:10.1021/nn406020d

Low-temperature solution-processed perovskite solar cells with high efficiency and flexibility

Yang Yang, Jingbi You, Ziruo Hong^*, Qi Chen, Min Cai, Tze Bin Song, Chun Chao Chen, Shirong Lu, Yongsheng Liu, Huanping Zhou

^*Corresponding author for this work

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

1345 Citations (Scopus)

Abstract

Perovskite compounds have attracted recently great attention in photovoltaic research. The devices are typically fabricated using condensed or mesoporous TiO₂ as the electron transport layer and 2,2′7,7′-tetrakis-(N,N-dip-methoxyphenylamine)9,9′- spirobifluorene as the hole transport layer. However, the high-temperature processing (450 C) requirement of the TiO₂ layer could hinder the widespread adoption of the technology. In this report, we adopted a low-temperature processing technique to attain high-efficiency devices in both rigid and flexible substrates, using device structure substrate/ITO/PEDOT:PSS/ CH₃NH₃PbI_3-xCl_x/PCBM/Al, where PEDOT:PSS and PCBM are used as hole and electron transport layers, respectively. Mixed halide perovskite, CH₃NH₃PbI_3-xCl _x, was used due to its long carrier lifetime and good electrical properties. All of these layers are solution-processed under 120 C. Based on the proposed device structure, power conversion efficiency (PCE) of 11.5% is obtained in rigid substrates (glass/ITO), and a 9.2% PCE is achieved for a polyethylene terephthalate/ITO flexible substrate.

Original language	English
Pages (from-to)	1674-1680
Number of pages	7
Journal	ACS Nano
Volume	8
Issue number	2
DOIs	https://doi.org/10.1021/nn406020d
Publication status	Published - 25 Feb 2014
Externally published	Yes

Keywords

flexible solar cells
low temperature
perovskite solar cells
planar structure

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1021/nn406020d

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title = "Low-temperature solution-processed perovskite solar cells with high efficiency and flexibility",

abstract = "Perovskite compounds have attracted recently great attention in photovoltaic research. The devices are typically fabricated using condensed or mesoporous TiO2 as the electron transport layer and 2,2′7,7′-tetrakis-(N,N-dip-methoxyphenylamine)9,9′- spirobifluorene as the hole transport layer. However, the high-temperature processing (450 C) requirement of the TiO2 layer could hinder the widespread adoption of the technology. In this report, we adopted a low-temperature processing technique to attain high-efficiency devices in both rigid and flexible substrates, using device structure substrate/ITO/PEDOT:PSS/ CH3NH3PbI3-xClx/PCBM/Al, where PEDOT:PSS and PCBM are used as hole and electron transport layers, respectively. Mixed halide perovskite, CH3NH3PbI3-xCl x, was used due to its long carrier lifetime and good electrical properties. All of these layers are solution-processed under 120 C. Based on the proposed device structure, power conversion efficiency (PCE) of 11.5% is obtained in rigid substrates (glass/ITO), and a 9.2% PCE is achieved for a polyethylene terephthalate/ITO flexible substrate.",

keywords = "flexible solar cells, low temperature, perovskite solar cells, planar structure",

author = "Yang Yang and Jingbi You and Ziruo Hong and Qi Chen and Min Cai and Song, {Tze Bin} and Chen, {Chun Chao} and Shirong Lu and Yongsheng Liu and Huanping Zhou",

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T1 - Low-temperature solution-processed perovskite solar cells with high efficiency and flexibility

AU - Yang, Yang

AU - You, Jingbi

AU - Hong, Ziruo

AU - Chen, Qi

AU - Cai, Min

AU - Song, Tze Bin

AU - Chen, Chun Chao

AU - Lu, Shirong

AU - Liu, Yongsheng

AU - Zhou, Huanping

PY - 2014/2/25

Y1 - 2014/2/25

N2 - Perovskite compounds have attracted recently great attention in photovoltaic research. The devices are typically fabricated using condensed or mesoporous TiO2 as the electron transport layer and 2,2′7,7′-tetrakis-(N,N-dip-methoxyphenylamine)9,9′- spirobifluorene as the hole transport layer. However, the high-temperature processing (450 C) requirement of the TiO2 layer could hinder the widespread adoption of the technology. In this report, we adopted a low-temperature processing technique to attain high-efficiency devices in both rigid and flexible substrates, using device structure substrate/ITO/PEDOT:PSS/ CH3NH3PbI3-xClx/PCBM/Al, where PEDOT:PSS and PCBM are used as hole and electron transport layers, respectively. Mixed halide perovskite, CH3NH3PbI3-xCl x, was used due to its long carrier lifetime and good electrical properties. All of these layers are solution-processed under 120 C. Based on the proposed device structure, power conversion efficiency (PCE) of 11.5% is obtained in rigid substrates (glass/ITO), and a 9.2% PCE is achieved for a polyethylene terephthalate/ITO flexible substrate.

AB - Perovskite compounds have attracted recently great attention in photovoltaic research. The devices are typically fabricated using condensed or mesoporous TiO2 as the electron transport layer and 2,2′7,7′-tetrakis-(N,N-dip-methoxyphenylamine)9,9′- spirobifluorene as the hole transport layer. However, the high-temperature processing (450 C) requirement of the TiO2 layer could hinder the widespread adoption of the technology. In this report, we adopted a low-temperature processing technique to attain high-efficiency devices in both rigid and flexible substrates, using device structure substrate/ITO/PEDOT:PSS/ CH3NH3PbI3-xClx/PCBM/Al, where PEDOT:PSS and PCBM are used as hole and electron transport layers, respectively. Mixed halide perovskite, CH3NH3PbI3-xCl x, was used due to its long carrier lifetime and good electrical properties. All of these layers are solution-processed under 120 C. Based on the proposed device structure, power conversion efficiency (PCE) of 11.5% is obtained in rigid substrates (glass/ITO), and a 9.2% PCE is achieved for a polyethylene terephthalate/ITO flexible substrate.

KW - flexible solar cells

KW - low temperature

KW - perovskite solar cells

KW - planar structure

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Low-temperature solution-processed perovskite solar cells with high efficiency and flexibility

Abstract

Keywords

UN SDGs

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