Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells
Additives; Dimers; Heterojunctions; Polycyclic aromatic hydrocarbons; Porphyrins; Synthesis (chemical); Bimolecular recombination; Bulk heterojunction organic solar cells; Charge generation; Electron-donating; Electronwithdrawing; Intermolecular packing; Power conversion efficiencies; Steric hindran...
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2023
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my.uniten.dspace-260032023-05-29T17:05:59Z Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells Pan X. Wu J. Xiao L. Yap B. Xia R. Peng X. 57216702625 57224455044 56670673400 26649255900 7006962955 7401594106 Additives; Dimers; Heterojunctions; Polycyclic aromatic hydrocarbons; Porphyrins; Synthesis (chemical); Bimolecular recombination; Bulk heterojunction organic solar cells; Charge generation; Electron-donating; Electronwithdrawing; Intermolecular packing; Power conversion efficiencies; Steric hindrances; Organic solar cells Three small-molecule acceptors (Por-PDI, TEHPor-PDI, and BBOPor-PDI) with different side chains were synthesized by using a porphyrin core as the electron-donating unit and connecting electron-withdrawing perylene diimide dimers via acetylene bridges. The bulk heterojunction organic solar cells based on the three acceptors and a polymer donor provided power conversion efficiencies (PCEs) of 3.68�5.21 % when the active layers were fabricated with pyridine additives. Though the synthesis of Por-PDI is easier with fewer reaction steps and higher yields, the devices based on Por-PDI showed the best performance with a PCE of 5.21 %. The more ordered intermolecular packing due to the reduced steric hindrance at the porphyrin core of Por-PDI could contribute to the more balanced hole/electron mobilities, higher maximum charge generation rate, and less bimolecular recombination in Por-PDI devices, which are beneficial for the higher PCE. � 2021 Wiley-VCH GmbH Final 2023-05-29T09:05:59Z 2023-05-29T09:05:59Z 2021 Article 10.1002/cssc.202100787 2-s2.0-85107605265 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85107605265&doi=10.1002%2fcssc.202100787&partnerID=40&md5=6fd20c13dbc67a3d1f2dd5f7e8ca8fc8 https://irepository.uniten.edu.my/handle/123456789/26003 14 17 3614 3621 John Wiley and Sons Inc Scopus |
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Additives; Dimers; Heterojunctions; Polycyclic aromatic hydrocarbons; Porphyrins; Synthesis (chemical); Bimolecular recombination; Bulk heterojunction organic solar cells; Charge generation; Electron-donating; Electronwithdrawing; Intermolecular packing; Power conversion efficiencies; Steric hindrances; Organic solar cells |
| author2 |
57216702625 |
| author_facet |
57216702625 Pan X. Wu J. Xiao L. Yap B. Xia R. Peng X. |
| format |
Article |
| author |
Pan X. Wu J. Xiao L. Yap B. Xia R. Peng X. |
| spellingShingle |
Pan X. Wu J. Xiao L. Yap B. Xia R. Peng X. Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells |
| author_sort |
Pan X. |
| title |
Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells |
| title_short |
Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells |
| title_full |
Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells |
| title_fullStr |
Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells |
| title_full_unstemmed |
Porphyrin Acceptors with Two Perylene Diimide Dimers for Organic Solar Cells |
| title_sort |
porphyrin acceptors with two perylene diimide dimers for organic solar cells |
| publisher |
John Wiley and Sons Inc |
| publishDate |
2023 |
| _version_ |
1806427457929084928 |
| score |
13.214268 |