The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures
Due to the inhomogeneous distribution of donor and acceptor materials within the photoactive layer of bulk heterojunction organic solar cells (OSCs), proper selection of a conventional or an inverted device structure is crucial for effective exciton dissociation and charge transportation. Herein, we...
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| Format: | Article |
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MDPI AG
2017-11-01
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| Series: | Polymers |
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| Online Access: | https://www.mdpi.com/2073-4360/9/11/571 |
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| author | Yaping Wang Zhenzhen Shi Hao Liu Fuzhi Wang Yiming Bai Xingming Bian Bing Zhang Tasawar Hayat Ahmed Alsaedi Zhan’ao Tan |
| author_facet | Yaping Wang Zhenzhen Shi Hao Liu Fuzhi Wang Yiming Bai Xingming Bian Bing Zhang Tasawar Hayat Ahmed Alsaedi Zhan’ao Tan |
| author_sort | Yaping Wang |
| collection | DOAJ |
| description | Due to the inhomogeneous distribution of donor and acceptor materials within the photoactive layer of bulk heterojunction organic solar cells (OSCs), proper selection of a conventional or an inverted device structure is crucial for effective exciton dissociation and charge transportation. Herein, we investigate the donor and acceptor distribution within the non-fullerene photoactive layer based on PBDTTT-ET:IEICO by time-of-flight secondary-ion mass spectroscopy (TOF-SIMS) and scanning Kelvin probe microscopy (SKPM), indicating that more IEICO enriches on the surface of the photoactive layer while PBDTTT-ET distributes homogeneously within the photoactive layer. To further understand the effect of the inhomogeneous component distribution on the photovoltaic performance, both conventional and inverted OSCs were fabricated. As a result, the conventional device shows a power conversion efficiency (PCE) of 8.83% which is 41% higher than that of inverted one (6.26%). Eventually, we employed nickel oxide (NiOx) instead of PEDOT:PSS as anode buffer layer to further enhance the stability and PCE of OSCs with conventional structure, and a promising PCE of 9.12% is achieved. |
| first_indexed | 2024-04-12T18:39:59Z |
| format | Article |
| id | doaj.art-b51367dd59d546d9b578aacfe88af9f5 |
| institution | Directory Open Access Journal |
| issn | 2073-4360 |
| language | English |
| last_indexed | 2024-04-12T18:39:59Z |
| publishDate | 2017-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Polymers |
| spelling | doaj.art-b51367dd59d546d9b578aacfe88af9f52022-12-22T03:20:50ZengMDPI AGPolymers2073-43602017-11-0191157110.3390/polym9110571polym9110571The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device StructuresYaping Wang0Zhenzhen Shi1Hao Liu2Fuzhi Wang3Yiming Bai4Xingming Bian5Bing Zhang6Tasawar Hayat7Ahmed Alsaedi8Zhan’ao Tan9State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaDepartment of Mathematics, Quiad-I-Azam University, Islamabad 44000, PakistanNAAM Research Group, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi ArabiaState Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, ChinaDue to the inhomogeneous distribution of donor and acceptor materials within the photoactive layer of bulk heterojunction organic solar cells (OSCs), proper selection of a conventional or an inverted device structure is crucial for effective exciton dissociation and charge transportation. Herein, we investigate the donor and acceptor distribution within the non-fullerene photoactive layer based on PBDTTT-ET:IEICO by time-of-flight secondary-ion mass spectroscopy (TOF-SIMS) and scanning Kelvin probe microscopy (SKPM), indicating that more IEICO enriches on the surface of the photoactive layer while PBDTTT-ET distributes homogeneously within the photoactive layer. To further understand the effect of the inhomogeneous component distribution on the photovoltaic performance, both conventional and inverted OSCs were fabricated. As a result, the conventional device shows a power conversion efficiency (PCE) of 8.83% which is 41% higher than that of inverted one (6.26%). Eventually, we employed nickel oxide (NiOx) instead of PEDOT:PSS as anode buffer layer to further enhance the stability and PCE of OSCs with conventional structure, and a promising PCE of 9.12% is achieved.https://www.mdpi.com/2073-4360/9/11/571organic solar cellsinhomogeneous distributionnon-fullerene photoactive layernickel oxideanode buffer layer |
| spellingShingle | Yaping Wang Zhenzhen Shi Hao Liu Fuzhi Wang Yiming Bai Xingming Bian Bing Zhang Tasawar Hayat Ahmed Alsaedi Zhan’ao Tan The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures Polymers organic solar cells inhomogeneous distribution non-fullerene photoactive layer nickel oxide anode buffer layer |
| title | The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures |
| title_full | The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures |
| title_fullStr | The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures |
| title_full_unstemmed | The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures |
| title_short | The Effect of Donor and Nonfullerene Acceptor Inhomogeneous Distribution within the Photoactive Layer on the Performance of Polymer Solar Cells with Different Device Structures |
| title_sort | effect of donor and nonfullerene acceptor inhomogeneous distribution within the photoactive layer on the performance of polymer solar cells with different device structures |
| topic | organic solar cells inhomogeneous distribution non-fullerene photoactive layer nickel oxide anode buffer layer |
| url | https://www.mdpi.com/2073-4360/9/11/571 |
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