Improving Performance of Nonfullerene Organic Solar Cells over 13% by Employing Silver Nanowires-Doped PEDOT:PSS Composite Interface

Ruixiang Peng; Zhiyang Wan; Wei Song; Tingting Yan; Qiquan Qiao; Shangfeng Yang; Ziyi Ge; Mingtai Wang

doi:10.1021/acsami.9b16404

journal article·2019-11-13

Improving Performance of Nonfullerene Organic Solar Cells over 13% by Employing Silver Nanowires-Doped PEDOT:PSS Composite Interface

Ruixiang Peng, Zhiyang Wan, Wei Song, Tingting Yan, Qiquan Qiao, Shangfeng Yang, Ziyi Ge, Mingtai Wang

ACS Applied Materials & Interfaces· Volume 11· Issue 45

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Source abstract

Abstract

Ag nanowires (NWs)/PEDOT:PSS composite was prepared by a facile solution-processing method and employed as anode interface in nonfullerene organic solar cells (OSCs). In the presence of a Ag NWs (5%, v/v%)/PEDOT:PSS interfacial layer, a high-power conversion efficiency up to 13.53% was achieved based on a PBDB-T-2Cl:IT-4F photoactive layer system, much higher than the efficiency of the controlled counterpart device with pristine PEDOT:PSS as anode modifier. Simultaneous enhancements in short-circuit current and fill factor were observed, in comparison to the case of the pristine PEDOT:PSS interface, due to the improved electrical conductivity of Ag NWs/PEDOT:PSS composites accompanied by the increased work function for a better matching with the indium tin oxide counter electrode, which facilitated increased charge transfer and reduced charge recombination at the anode/photoactive interface for improved device performance. The results clearly revealed that the Ag NWs/PEDOT:PSS composite interface is beneficial to improve the charge extraction and favor the realization of highly efficient nonfullerene OSCs.

Source: openalex_inverted_index · Quality: baseline

Research context

Energy storage Nanomaterials Composites

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Advanced battery technologies research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Applied Technology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, P. R. China

University of Science and Technology of China, Hefei 230026, P. R. China

Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, P. R. China

Center for Advanced Photovoltaics and Sustainable Energy, Department of Electrical Engineering and Computer Sciences, South Dakota State University, Brookings, South Dakota 57007, United States

Funding

Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Ningbo · Ningbo Municipal People's Government · National Natural Science Foundation of China · Chinese Academy of Sciences · Natural Science Foundation of Zhejiang Province · People's Government of Anhui Province · Foundation of Hefei Center for Physical Science and Technology

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