Effectively enhancing the open-circuit voltage via chlorinated substitution in DPP-based polymer donor for polymer solar cells

Zhongyuan Xue; Ruitao Yu; Mengyuan Zhu; Yijing Wu; Yinming He; Xuyu Gao; Youtian Tao

doi:10.1016/j.matlet.2021.130222

Effectively enhancing the open-circuit voltage via chlorinated substitution in DPP-based polymer donor for polymer solar cells

Zhongyuan Xue, Ruitao Yu, Mengyuan Zhu, Yijing Wu, Yinming He, Xuyu Gao, Youtian Tao

柔性电子（未来科技）学院|先进材料研究院

Nanjing Tech University

科研成果: 期刊稿件 › 文章 › 同行评审

4 引用（Scopus）

摘要

Herein, via chlorinated substitution in thiophene side-chain of benzo[1,2-b:4,5-b']dithiophene (BDT) unit, the diketopyrrolopyrrole (DPP) containing conjugated polymer PDPP-BDT-Cl is designed, which exhibits fine-tuned HOMO energy level with 0.18 eV deeper than the control PDPP-BDT without chlorination. When applied as donor material with 6,6-phenyl-C₇₁-butyric acid methyl ester (PC₇₁BM) acceptor in bulk heterojunction polymer solar cells(PSCs), enhanced open-circuit voltage (V_OC) to 0.86 V and average power conversion efficiency (PCE) to 5.02% could be achieved for PDPP-BDT-Cl based PSCs compared to 0.74 V and 4.53% for PDPP-BDT. Furthermore, PDPP-BDT-Cl polymer demonstrate better thickness tolerance for more stable photovoltaic performances due to better donor/acceptor miscibility.

源语言	英语
文章编号	130222
期刊	Materials Letters
卷	300
DOI	https://doi.org/10.1016/j.matlet.2021.130222
出版状态	已出版 - 1 10月 2021

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title = "Effectively enhancing the open-circuit voltage via chlorinated substitution in DPP-based polymer donor for polymer solar cells",

abstract = "Herein, via chlorinated substitution in thiophene side-chain of benzo[1,2-b:4,5-b']dithiophene (BDT) unit, the diketopyrrolopyrrole (DPP) containing conjugated polymer PDPP-BDT-Cl is designed, which exhibits fine-tuned HOMO energy level with 0.18 eV deeper than the control PDPP-BDT without chlorination. When applied as donor material with 6,6-phenyl-C71-butyric acid methyl ester (PC71BM) acceptor in bulk heterojunction polymer solar cells(PSCs), enhanced open-circuit voltage (VOC) to 0.86 V and average power conversion efficiency (PCE) to 5.02% could be achieved for PDPP-BDT-Cl based PSCs compared to 0.74 V and 4.53% for PDPP-BDT. Furthermore, PDPP-BDT-Cl polymer demonstrate better thickness tolerance for more stable photovoltaic performances due to better donor/acceptor miscibility.",

keywords = "Diketopyrrolopyrrole, Open-circuit voltage, Polymer solar cells, Semiconductors, Solar energy materials",

author = "Zhongyuan Xue and Ruitao Yu and Mengyuan Zhu and Yijing Wu and Yinming He and Xuyu Gao and Youtian Tao",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

year = "2021",

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doi = "10.1016/j.matlet.2021.130222",

language = "英语",

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T1 - Effectively enhancing the open-circuit voltage via chlorinated substitution in DPP-based polymer donor for polymer solar cells

AU - Xue, Zhongyuan

AU - Yu, Ruitao

AU - Zhu, Mengyuan

AU - Wu, Yijing

AU - He, Yinming

AU - Gao, Xuyu

AU - Tao, Youtian

PY - 2021/10/1

Y1 - 2021/10/1

N2 - Herein, via chlorinated substitution in thiophene side-chain of benzo[1,2-b:4,5-b']dithiophene (BDT) unit, the diketopyrrolopyrrole (DPP) containing conjugated polymer PDPP-BDT-Cl is designed, which exhibits fine-tuned HOMO energy level with 0.18 eV deeper than the control PDPP-BDT without chlorination. When applied as donor material with 6,6-phenyl-C71-butyric acid methyl ester (PC71BM) acceptor in bulk heterojunction polymer solar cells(PSCs), enhanced open-circuit voltage (VOC) to 0.86 V and average power conversion efficiency (PCE) to 5.02% could be achieved for PDPP-BDT-Cl based PSCs compared to 0.74 V and 4.53% for PDPP-BDT. Furthermore, PDPP-BDT-Cl polymer demonstrate better thickness tolerance for more stable photovoltaic performances due to better donor/acceptor miscibility.

AB - Herein, via chlorinated substitution in thiophene side-chain of benzo[1,2-b:4,5-b']dithiophene (BDT) unit, the diketopyrrolopyrrole (DPP) containing conjugated polymer PDPP-BDT-Cl is designed, which exhibits fine-tuned HOMO energy level with 0.18 eV deeper than the control PDPP-BDT without chlorination. When applied as donor material with 6,6-phenyl-C71-butyric acid methyl ester (PC71BM) acceptor in bulk heterojunction polymer solar cells(PSCs), enhanced open-circuit voltage (VOC) to 0.86 V and average power conversion efficiency (PCE) to 5.02% could be achieved for PDPP-BDT-Cl based PSCs compared to 0.74 V and 4.53% for PDPP-BDT. Furthermore, PDPP-BDT-Cl polymer demonstrate better thickness tolerance for more stable photovoltaic performances due to better donor/acceptor miscibility.

KW - Diketopyrrolopyrrole

KW - Open-circuit voltage

KW - Polymer solar cells

KW - Semiconductors

KW - Solar energy materials

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U2 - 10.1016/j.matlet.2021.130222

DO - 10.1016/j.matlet.2021.130222

M3 - 文章

AN - SCOPUS:85107733963

SN - 0167-577X

VL - 300

JO - Materials Letters

JF - Materials Letters

M1 - 130222

ER -

Effectively enhancing the open-circuit voltage via chlorinated substitution in DPP-based polymer donor for polymer solar cells

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