首页|Manipulating Nanowires in Interconnecting Layer for Efficient Tandem Organic Photovoltaics

Manipulating Nanowires in Interconnecting Layer for Efficient Tandem Organic Photovoltaics

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Owing to the function of manipulating light absorption distribution,tandem organic solar cells containing multiple sub-cells exhibit high power conversion efficiencies.However,there is a substantial challenge in precisely controlling the inter-subcells carrier migra-tion which determines the balance of charge transport across the entire device.The conductivity of"nanowires"-like conducting channel in interconnecting layer between sub-cells should be improved which calls for fine engineering on the morphology of poly-electrolyte in interconnecting layer.Here,we develop a simple method to effectively manipulating the domains of conductive com-ponents in commercially available polyelectrolyte PEDOT:PSS.The use of poor solvent could effectively modify the configuration of polystyrene sulfonic acid and thus the space for conductive components.Based on our strategy,the insulated shells wrapping con-ductive domains are thinned and the efficiencies of tandem organic solar cells are improved.We believe our method might provide guidance for the manufacture of tandem organic solar cells.

Tandem organic solar cellsPower conversion efficiencyinterconnecting layerTunneling junctionInterfacial layersConformation analysisπ-π stackingDonor-acceptor systems

Yanjie Tang、Jiaming Fu、Hao Li、Du Hyeon Ryu、Won Suk Shin、Jianqi Zhang、Yi Yang、Yiming Yang、Deyuan Li、Zhong Zheng、Shaoqing Zhang、Jianhui Hou

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School of Chemistry and Biology Engineering,University of Science and Technology Beijing(USTB),Beijing 100083,China

State Key Laboratory of Polymer Physics and Chemistry,Beijing National Laboratory for Molecular Sciences,Institute of Chemistry,Chinese Academy of Sciences(ICCAS),Beijing 100190,China

China Railway Resources Group Survey and Design Co.Ltd.,Langfang,Hebei 065000,China

Energy Materials Research Center Korea Research Institute of Chemical Technology(KRICT),Advanced Materials & Chemical Engineering,University of Science & Technology(UST),Korea

The National Center for Nanoscience and Technology(NCNST),Beijing 100190,China

University of Chinese Academy of Sciences Beijing(UCAS),Beijing 100049,China

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国家自然科学基金国家自然科学基金国家自然科学基金北京市科委项目Beijing National Laboratory for Molecular Sciences(BNLMS)Junior FellowBeijing National Laboratory for Molecular Sciences(BNLMS)Junior FellowNational Research Council of Science and Technology of Korea中国科学院重点研究项目

22275016218350062212290522320782019BMS20014BNLMS-CXXM-201903Global20-004XDPB13-3

2024

10.1002/cjoc.202300485

中国化学(英文版)
中国化学会 上海有机化学研究所

中国化学(英文版)

CSTPCD
影响因子：0.848
ISSN：1001-604X
年,卷(期)：2024.42(4)
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