Precisely Controlling Polymer Acceptors with Weak Intramolecular Charge Transfer Effect and Superior Coplanarity for Efficient Indoor All-Polymer Solar Cells with over 27% Efficiency

Zou, Bosen1,2; Ng, Ho Ming1,2; Yu, Han1,2,3; Ding, Pengbo4,5; Yao, Jia1,2; Chen, Dezhang4; Pun, Sai Ho4; Hu, Huawei6; Ding, Kan7,8; Ma, Ruijie9; Qammar, Memoona4; Liu, Wei1,2; Wu, Weiwei1,2; Lai, Joshua Yuk Lin1,2; Zhao, Chaoyue1,2; Pan, Mingao1,2; Guo, Liang5; Halpert, Jonathan E.4; Ade, Harald7,8; Li, Gang9; Yan, He1,2,3

2024-06-01

10.1002/adma.202405404

ADVANCED MATERIALS   影响因子和分区

0935-9648

1521-4095

["Indoor photovoltaics (IPVs) are garnering increasing attention from both the academic and industrial communities due to the pressing demand of the ecosystem of Internet-of-Things. All-polymer solar cells (all-PSCs), emerging as a sub-type of organic photovoltaics, with the merits of great film-forming properties, remarkable morphological and light stability, hold great promise to simultaneously achieve high efficiency and long-term operation in IPV's application. However, the dearth of polymer acceptors with medium-bandgap has impeded the rapid development of indoor all-PSCs. Herein, a highly efficient medium-bandgap polymer acceptor (PYFO-V) is reported through the synergistic effects of side chain engineering and linkage modulation and applied for indoor all-PSCs operation. As a result, the PM6:PYFO-V-based indoor all-PSC yields the highest efficiency of 27.1% under LED light condition, marking the highest value for reported binary indoor all-PSCs to date. More importantly, the blade-coated devices using non-halogenated solvent (o-xylene) maintain an efficiency of over 23%, demonstrating the potential for industry-scale fabrication. This work not only highlights the importance of fine-tuning intramolecular charge transfer effect and intrachain coplanarity in developing high-performance medium-bandgap polymer acceptors but also provides a highly efficient strategy for indoor all-PSC application.","Herein, a successful design strategy of medium-bandgap polymer acceptor, PYFO-V, is presented for indoor all-polymer solar cell operation. By the synergy of alkoxy chains and vinylene spacers onto Y-series polymer acceptors, PYFO-V exhibits blue-shifted absorption and upshifted energy levels. The binary devices realize an impressive efficiency of 27.1% under indoor illumination with great photostability, beneficial for the Internet-of-Things application. image"]

alkoxy side chains all-polymer solar cells indoor photovoltaics intramolecular charge transfer effect medium-bandgap polymer acceptors

SCI ; EI

英语

其他

Basic and Applied Research Major Program of Guangdong Province[2019B030302007] ; National Natural Science Foundation of China[22075057] ; Shen Zhen Technology and Innovation Commission through (Shenzhen Fundamental Research Program)[JCYJ20200109140801751] ; Hong Kong Research Grants Council["R6021-18","C6023-19G","16310019","16310020","16309221","16309822"] ; Hong Kong Innovation and Technology Commission["ITCCNERC14SC01","FSUST19-CAT0202"] ; Zhongshan Municipal Bureau of Science and Technology["ZSST20SC02","2023B1212120003"] ; null[2019YFA0705900]

Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics

Chemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter

WOS:001238766000001

WILEY-V C H VERLAG GMBH

MATERIALS SCIENCE

Web of Science

1.Hong Kong Univ Sci & Technol, Dept Chem, Kowloon, Clear Water Bay, Hong Kong 999077, Peoples R China
2.Hong Kong Univ Sci & Technol, Chinese Natl Engn Res Ctr Tissue Restorat & Recons, Hong Kong Branch, Kowloon, Clear Water Bay, Hong Kong, Peoples R China
3.Jiangmen Lab Carbon Sci & Technol, Guangdong Hong Kong Joint Lab Carbon Neutral, Jiangmen 529199, Guangdong, Peoples R China
4.Hong Kong Univ Sci & Technol HKUST, Dept Chem, Hong Kong 999077, Peoples R China
5.Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China
6.Donghua Univ, Coll Mat Sci & Engn, State Key Lab Modificat Chem Fibers & Polymer Mat, Shanghai 201620, Peoples R China
7.North Carolina State Univ, Dept Phys, Raleigh, NC 27695 USA
8.North Carolina State Univ, Organ & Carbon Elect Labs ORaCEL, Raleigh, NC 27695 USA
9.Hong Kong Polytech Univ, Res Inst Smart Energy RISE, Photon Res Inst PRI, Dept Elect & Elect Engn,Hung Hom,Kowloon, Hong Kong 999077, Peoples R China

Zou, Bosen,Ng, Ho Ming,Yu, Han,et al. Precisely Controlling Polymer Acceptors with Weak Intramolecular Charge Transfer Effect and Superior Coplanarity for Efficient Indoor All-Polymer Solar Cells with over 27% Efficiency[J]. ADVANCED MATERIALS,2024.

Zou, Bosen.,Ng, Ho Ming.,Yu, Han.,Ding, Pengbo.,Yao, Jia.,...&Yan, He.(2024).Precisely Controlling Polymer Acceptors with Weak Intramolecular Charge Transfer Effect and Superior Coplanarity for Efficient Indoor All-Polymer Solar Cells with over 27% Efficiency.ADVANCED MATERIALS.

Zou, Bosen,et al."Precisely Controlling Polymer Acceptors with Weak Intramolecular Charge Transfer Effect and Superior Coplanarity for Efficient Indoor All-Polymer Solar Cells with over 27% Efficiency".ADVANCED MATERIALS (2024).