Cl2-Doped CuSCN Hole Transport Layer for Organic and Perovskite Solar Cells with Improved Stability

Jian Wei Liang; Yuliar Firdaus; Randi Azmi; Hendrik Faber; Dimitris Kaltsas; Chun Hong Kang; Mohamad Insan Nugraha; Emre Yengel; Tien Khee Ng; Stefaan De Wolf; Leonidas Tsetseris; Boon S. Ooi; Thomas Anthopoulos

doi:10.1021/acsenergylett.2c01545

Cl₂-Doped CuSCN Hole Transport Layer for Organic and Perovskite Solar Cells with Improved Stability

Jian Wei Liang, Yuliar Firdaus, Randi Azmi, Hendrik Faber, Dimitris Kaltsas, Chun Hong Kang, Mohamad Insan Nugraha, Emre Yengel, Tien Khee Ng, Stefaan De Wolf, Leonidas Tsetseris, Boon S. Ooi, Thomas Anthopoulos^*

^*Corresponding author for this work

EEE - Academic & Research

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

Abstract

Copper(I) thiocyanate (CuSCN) is a wide bandgap and solution-processable p-type semiconductor with tremendous potential for large-area optoelectronic applications. In this work, chlorine-doped CuSCN (Cl2-CuSCN) was utilized to form a hole transport layer (HTL) for different organic solar cells (OSCs) and inverted perovskite solar cells (PSCs). Chlorine doping into CuSCN thin films is found to improve the device performance of different OSCs, to a level comparable to that of PEDOT:PSS-based OSCs. Notably, the inverted PSCs with Cl2-CuSCN showed a better performance than those with pristine CuSCN or PEDOT:PSS-based inverted PSC devices. Moreover, Cl2-CuSCN-based OSCs and PSCs also reveal significantly better stability than pristine CuSCN and PEDOT:PSS-based devices. Our results show how Cl2-CuSCN thin films act as a universally applicable HTL for emerging solar cell technologies, improving both device performance and stability.

Original language	English
Pages (from-to)	3139-3148
Number of pages	10
Journal	ACS ENERGY LETTERS
Volume	7
Issue number	9
Early online date	30 Aug 2022
DOIs	https://doi.org/10.1021/acsenergylett.2c01545
Publication status	Published - 9 Sept 2022

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@article{1cf0f5894ae94c7cb644285e73dceec6,

title = "Cl2-Doped CuSCN Hole Transport Layer for Organic and Perovskite Solar Cells with Improved Stability",

abstract = "Copper(I) thiocyanate (CuSCN) is a wide bandgap and solution-processable p-type semiconductor with tremendous potential for large-area optoelectronic applications. In this work, chlorine-doped CuSCN (Cl2-CuSCN) was utilized to form a hole transport layer (HTL) for different organic solar cells (OSCs) and inverted perovskite solar cells (PSCs). Chlorine doping into CuSCN thin films is found to improve the device performance of different OSCs, to a level comparable to that of PEDOT:PSS-based OSCs. Notably, the inverted PSCs with Cl2-CuSCN showed a better performance than those with pristine CuSCN or PEDOT:PSS-based inverted PSC devices. Moreover, Cl2-CuSCN-based OSCs and PSCs also reveal significantly better stability than pristine CuSCN and PEDOT:PSS-based devices. Our results show how Cl2-CuSCN thin films act as a universally applicable HTL for emerging solar cell technologies, improving both device performance and stability.",

author = "Liang, {Jian Wei} and Yuliar Firdaus and Randi Azmi and Hendrik Faber and Dimitris Kaltsas and Kang, {Chun Hong} and Nugraha, {Mohamad Insan} and Emre Yengel and Ng, {Tien Khee} and Wolf, {Stefaan De} and Leonidas Tsetseris and Ooi, {Boon S.} and Thomas Anthopoulos",

note = "Publisher Copyright: {\textcopyright} 2022 American Chemical Society.",

year = "2022",

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day = "9",

doi = "10.1021/acsenergylett.2c01545",

language = "English",

volume = "7",

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journal = "ACS ENERGY LETTERS",

issn = "2380-8195",

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TY - JOUR

T1 - Cl2-Doped CuSCN Hole Transport Layer for Organic and Perovskite Solar Cells with Improved Stability

AU - Liang, Jian Wei

AU - Firdaus, Yuliar

AU - Azmi, Randi

AU - Faber, Hendrik

AU - Kaltsas, Dimitris

AU - Kang, Chun Hong

AU - Nugraha, Mohamad Insan

AU - Yengel, Emre

AU - Ng, Tien Khee

AU - Wolf, Stefaan De

AU - Tsetseris, Leonidas

AU - Ooi, Boon S.

AU - Anthopoulos, Thomas

PY - 2022/9/9

Y1 - 2022/9/9

N2 - Copper(I) thiocyanate (CuSCN) is a wide bandgap and solution-processable p-type semiconductor with tremendous potential for large-area optoelectronic applications. In this work, chlorine-doped CuSCN (Cl2-CuSCN) was utilized to form a hole transport layer (HTL) for different organic solar cells (OSCs) and inverted perovskite solar cells (PSCs). Chlorine doping into CuSCN thin films is found to improve the device performance of different OSCs, to a level comparable to that of PEDOT:PSS-based OSCs. Notably, the inverted PSCs with Cl2-CuSCN showed a better performance than those with pristine CuSCN or PEDOT:PSS-based inverted PSC devices. Moreover, Cl2-CuSCN-based OSCs and PSCs also reveal significantly better stability than pristine CuSCN and PEDOT:PSS-based devices. Our results show how Cl2-CuSCN thin films act as a universally applicable HTL for emerging solar cell technologies, improving both device performance and stability.

AB - Copper(I) thiocyanate (CuSCN) is a wide bandgap and solution-processable p-type semiconductor with tremendous potential for large-area optoelectronic applications. In this work, chlorine-doped CuSCN (Cl2-CuSCN) was utilized to form a hole transport layer (HTL) for different organic solar cells (OSCs) and inverted perovskite solar cells (PSCs). Chlorine doping into CuSCN thin films is found to improve the device performance of different OSCs, to a level comparable to that of PEDOT:PSS-based OSCs. Notably, the inverted PSCs with Cl2-CuSCN showed a better performance than those with pristine CuSCN or PEDOT:PSS-based inverted PSC devices. Moreover, Cl2-CuSCN-based OSCs and PSCs also reveal significantly better stability than pristine CuSCN and PEDOT:PSS-based devices. Our results show how Cl2-CuSCN thin films act as a universally applicable HTL for emerging solar cell technologies, improving both device performance and stability.

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U2 - 10.1021/acsenergylett.2c01545

DO - 10.1021/acsenergylett.2c01545

M3 - Article

SN - 2380-8195

VL - 7

SP - 3139

EP - 3148

JO - ACS ENERGY LETTERS

JF - ACS ENERGY LETTERS

IS - 9

ER -

Cl₂-Doped CuSCN Hole Transport Layer for Organic and Perovskite Solar Cells with Improved Stability

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