Fibril Network Strategy Enables High‐Performance Semitransparent Organic Solar Cells
Abstract
Abstract The development of semitransparent organic solar cells (ST‐OSCs) represents a significant step toward the commercialization of OSCs. However, the trade‐off between power conversion efficiency (PCE) and average visible transmittance (AVT) restricts further improvements of ST‐OSCs. Herein, it is demonstrated that a fibril network strategy can enable ST‐OSCs with a high PCE and AVT simultaneously. A wide‐bandgap polymer PBT1‐C‐2Cl that can self‐assemble into a fibril nanostructure is used as the donor and a near‐infrared small molecule Y6 is adopted as the acceptor. It is found that a tiny amount of PBT1‐C‐2Cl in the blend can form a high speed pathway for hole transport due to the well distributed fibril nanostructure, which increases the transmittance in the visible region. Meanwhile, the acceptor Y6 guarantees sufficient light absorption. Using this strategy, the optimized ST‐OSCs yield a high PCE of 9.1% with an AVT of over 40% and significant light utilization efficiency of 3.65% at donor/acceptor ratio of 0.25:1. This work demonstrates a simple and effective approach to realizing high PCE and AVT of ST‐OSCs simultaneously.
- Authors:
-
[1]
- School of Chemistry Beihang University Beijing 100191 P. R. China
- School of Chemistry and Chemical Engineering Shanghai Jiao Tong University Shanghai 200240 P. R. China
- State Key Laboratory of Luminescent Materials and Devices South China University of Technology Guangzhou 510640 P. R. China
- School of Chemistry Beihang University Beijing 100191 P. R. China, College of Chemistry Xiangtan University Xiangtan 411105 P. R. China
- Frontier Institute of Science and Technology Xi'an Jiaotong University Xi'an 710054 P. R. China
- College of Chemistry Xiangtan University Xiangtan 411105 P. R. China
- Publication Date:
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1630674
- Grant/Contract Number:
- DE‐AC02‐05CH11231
- Resource Type:
- Publisher's Accepted Manuscript
- Journal Name:
- Advanced Functional Materials
- Additional Journal Information:
- Journal Name: Advanced Functional Materials Journal Volume: 30 Journal Issue: 28; Journal ID: ISSN 1616-301X
- Publisher:
- Wiley Blackwell (John Wiley & Sons)
- Country of Publication:
- Germany
- Language:
- English
Citation Formats
Xie, Yuanpeng, Cai, Yunhao, Zhu, Lei, Xia, Ruoxi, Ye, Linglong, Feng, Xiang, Yip, Hin‐Lap, Liu, Feng, Lu, Guanghao, Tan, Songting, and Sun, Yanming. Fibril Network Strategy Enables High‐Performance Semitransparent Organic Solar Cells. Germany: N. p., 2020.
Web. doi:10.1002/adfm.202002181.
Xie, Yuanpeng, Cai, Yunhao, Zhu, Lei, Xia, Ruoxi, Ye, Linglong, Feng, Xiang, Yip, Hin‐Lap, Liu, Feng, Lu, Guanghao, Tan, Songting, & Sun, Yanming. Fibril Network Strategy Enables High‐Performance Semitransparent Organic Solar Cells. Germany. https://doi.org/10.1002/adfm.202002181
Xie, Yuanpeng, Cai, Yunhao, Zhu, Lei, Xia, Ruoxi, Ye, Linglong, Feng, Xiang, Yip, Hin‐Lap, Liu, Feng, Lu, Guanghao, Tan, Songting, and Sun, Yanming. Mon .
"Fibril Network Strategy Enables High‐Performance Semitransparent Organic Solar Cells". Germany. https://doi.org/10.1002/adfm.202002181.
@article{osti_1630674,
title = {Fibril Network Strategy Enables High‐Performance Semitransparent Organic Solar Cells},
author = {Xie, Yuanpeng and Cai, Yunhao and Zhu, Lei and Xia, Ruoxi and Ye, Linglong and Feng, Xiang and Yip, Hin‐Lap and Liu, Feng and Lu, Guanghao and Tan, Songting and Sun, Yanming},
abstractNote = {Abstract The development of semitransparent organic solar cells (ST‐OSCs) represents a significant step toward the commercialization of OSCs. However, the trade‐off between power conversion efficiency (PCE) and average visible transmittance (AVT) restricts further improvements of ST‐OSCs. Herein, it is demonstrated that a fibril network strategy can enable ST‐OSCs with a high PCE and AVT simultaneously. A wide‐bandgap polymer PBT1‐C‐2Cl that can self‐assemble into a fibril nanostructure is used as the donor and a near‐infrared small molecule Y6 is adopted as the acceptor. It is found that a tiny amount of PBT1‐C‐2Cl in the blend can form a high speed pathway for hole transport due to the well distributed fibril nanostructure, which increases the transmittance in the visible region. Meanwhile, the acceptor Y6 guarantees sufficient light absorption. Using this strategy, the optimized ST‐OSCs yield a high PCE of 9.1% with an AVT of over 40% and significant light utilization efficiency of 3.65% at donor/acceptor ratio of 0.25:1. This work demonstrates a simple and effective approach to realizing high PCE and AVT of ST‐OSCs simultaneously.},
doi = {10.1002/adfm.202002181},
journal = {Advanced Functional Materials},
number = 28,
volume = 30,
place = {Germany},
year = {Mon May 25 00:00:00 EDT 2020},
month = {Mon May 25 00:00:00 EDT 2020}
}
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