Incorporation of potassium at CuPc/C60 interface for photovoltaic application
This letter demonstrates the effect of potassium (K) doping at the donor–acceptor interface of CuPc/C60-based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energi...
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| Veröffentlicht in: | Applied physics letters 2011-03, Vol.98 (11) |
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| container_title | Applied physics letters |
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| creator | Shih, Chuan-Feng Hung, Kuang-Teng Chen, Hui-Ju Hsiao, Chu-Yun Huang, Kuan-Ta Chen, Szu-Hung |
| description | This letter demonstrates the effect of potassium (K) doping at the donor–acceptor interface of CuPc/C60-based organic solar cells. Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process. |
| doi_str_mv | 10.1063/1.3568884 |
| format | Article |
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Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. 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Power conversion efficient (PCE) doubled when a little K was doped into the CuPc/C60 interface and the device was postannealed (75 °C, 10 min). Changes in binding energies, depletion capacitance, and mobilities of electrons and holes were investigated. The marked improvement of PCE arose mostly from the increase in short-circuit current, owing to the modified charge transfer process.</abstract><doi>10.1063/1.3568884</doi></addata></record> |
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| ispartof | Applied physics letters, 2011-03, Vol.98 (11) |
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| title | Incorporation of potassium at CuPc/C60 interface for photovoltaic application |
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