A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells
Abstract Transparent electrodes (TEs) are vital in optoelectronic devices, enabling the interaction of light and charges. While indium tin oxide (ITO) has traditionally served as a benchmark TE, its high cost prompts the exploration of alternatives to optimize electrode characteristics and improve d...
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Wiley
2024-10-01
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| Online Access: | https://doi.org/10.1002/advs.202405676 |
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| author | Tiefeng Liu Gulzada Beket Qifan Li Qilun Zhang Sang Young Jeong Chi‐Yuan Yang Jun‐Da Huang Yuxuan Li Marc‐Antoine Stoeckel Miao Xiong Tom P. A. van derPol Jonas Bergqvist Han Young Woo Feng Gao Mats Fahlman Thomas Österberg Simone Fabiano |
| author_facet | Tiefeng Liu Gulzada Beket Qifan Li Qilun Zhang Sang Young Jeong Chi‐Yuan Yang Jun‐Da Huang Yuxuan Li Marc‐Antoine Stoeckel Miao Xiong Tom P. A. van derPol Jonas Bergqvist Han Young Woo Feng Gao Mats Fahlman Thomas Österberg Simone Fabiano |
| author_sort | Tiefeng Liu |
| collection | DOAJ |
| description | Abstract Transparent electrodes (TEs) are vital in optoelectronic devices, enabling the interaction of light and charges. While indium tin oxide (ITO) has traditionally served as a benchmark TE, its high cost prompts the exploration of alternatives to optimize electrode characteristics and improve device efficiencies. Conducting polymers, which combine polymer advantages with metal‐like conductivity, emerge as a promising solution for TEs. This work introduces a two‐in‐one electron transport layer (ETL) and TE based on films of polyethylenimine ethoxylated (PEIE)‐modified poly(benzodifurandione) (PBFDO). These PEIE‐modified PBFDO layers exhibit a unique combination of properties, including low sheet resistance (130 Ω sq−1), low work function (4.2 eV), and high optical transparency (>85% in the UV–vis‐NIR range). In contrast to commonly used poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), the doping level of PBFDO remains unaffected by the PEIE treatment, as verified through UV–vis‐NIR absorption and X‐ray photoelectron spectroscopy measurements. When employed as a two‐in‐one ETL/TE in organic solar cells, the PEIE‐modified PBFDO electrode exhibits performance comparable to conventional ITO electrodes. Moreover, this work demonstrates all‐organic solar cells with record‐high power conversion efficiencies of >15.1% under indoor lighting conditions. These findings hold promise for the development of fully printed, all‐organic optoelectronic devices. |
| format | Article |
| id | doaj-art-e1ba5ca1a3e34aef9f86b7dc521bc79c |
| institution | OA Journals |
| issn | 2198-3844 |
| language | English |
| publishDate | 2024-10-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-e1ba5ca1a3e34aef9f86b7dc521bc79c2025-08-20T02:11:59ZengWileyAdvanced Science2198-38442024-10-011140n/an/a10.1002/advs.202405676A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar CellsTiefeng Liu0Gulzada Beket1Qifan Li2Qilun Zhang3Sang Young Jeong4Chi‐Yuan Yang5Jun‐Da Huang6Yuxuan Li7Marc‐Antoine Stoeckel8Miao Xiong9Tom P. A. van derPol10Jonas Bergqvist11Han Young Woo12Feng Gao13Mats Fahlman14Thomas Österberg15Simone Fabiano16Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenElectronic and Photonic Materials Department of Physics Chemistry, and Biology Linköping University Linköping SE‐58183 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenDepartment of Chemistry College of Science Korea University 145 Anam‐ro, Seongbuk‐gu Seoul 02841 Republic of KoreaLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenElectronic and Photonic Materials Department of Physics Chemistry, and Biology Linköping University Linköping SE‐58183 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenEpishine AB Attorpsgatan 2 Linköping SE‐58273 SwedenDepartment of Chemistry College of Science Korea University 145 Anam‐ro, Seongbuk‐gu Seoul 02841 Republic of KoreaElectronic and Photonic Materials Department of Physics Chemistry, and Biology Linköping University Linköping SE‐58183 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenEpishine AB Attorpsgatan 2 Linköping SE‐58273 SwedenLaboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping SE‐60174 SwedenAbstract Transparent electrodes (TEs) are vital in optoelectronic devices, enabling the interaction of light and charges. While indium tin oxide (ITO) has traditionally served as a benchmark TE, its high cost prompts the exploration of alternatives to optimize electrode characteristics and improve device efficiencies. Conducting polymers, which combine polymer advantages with metal‐like conductivity, emerge as a promising solution for TEs. This work introduces a two‐in‐one electron transport layer (ETL) and TE based on films of polyethylenimine ethoxylated (PEIE)‐modified poly(benzodifurandione) (PBFDO). These PEIE‐modified PBFDO layers exhibit a unique combination of properties, including low sheet resistance (130 Ω sq−1), low work function (4.2 eV), and high optical transparency (>85% in the UV–vis‐NIR range). In contrast to commonly used poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), the doping level of PBFDO remains unaffected by the PEIE treatment, as verified through UV–vis‐NIR absorption and X‐ray photoelectron spectroscopy measurements. When employed as a two‐in‐one ETL/TE in organic solar cells, the PEIE‐modified PBFDO electrode exhibits performance comparable to conventional ITO electrodes. Moreover, this work demonstrates all‐organic solar cells with record‐high power conversion efficiencies of >15.1% under indoor lighting conditions. These findings hold promise for the development of fully printed, all‐organic optoelectronic devices.https://doi.org/10.1002/advs.202405676conducting polymersindoor all‐organic solar celllow work function electrodePBFDOPEDOT:PSS |
| spellingShingle | Tiefeng Liu Gulzada Beket Qifan Li Qilun Zhang Sang Young Jeong Chi‐Yuan Yang Jun‐Da Huang Yuxuan Li Marc‐Antoine Stoeckel Miao Xiong Tom P. A. van derPol Jonas Bergqvist Han Young Woo Feng Gao Mats Fahlman Thomas Österberg Simone Fabiano A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells Advanced Science conducting polymers indoor all‐organic solar cell low work function electrode PBFDO PEDOT:PSS |
| title | A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells |
| title_full | A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells |
| title_fullStr | A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells |
| title_full_unstemmed | A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells |
| title_short | A Polymeric Two‐in‐One Electron Transport Layer and Transparent Electrode for Efficient Indoor All‐Organic Solar Cells |
| title_sort | polymeric two in one electron transport layer and transparent electrode for efficient indoor all organic solar cells |
| topic | conducting polymers indoor all‐organic solar cell low work function electrode PBFDO PEDOT:PSS |
| url | https://doi.org/10.1002/advs.202405676 |
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