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Photovoltaic and Electroluminescence Characters in Hybrid ZnO and Conjugated Polymer Bulk Heterojunction Devices
| Content Provider | Scilit |
|---|---|
| Author | Jun-Peng, Liu Sheng-Chun, Qu Ying, Xu Yong-Hai, Chen Xiang-Bo, Zeng Zhi-Jie, Wang Hui-Ying, Zhou Zhan-Guo, Wang |
| Copyright Year | 2007 |
| Description | Journal: Chinese Physics Letters We report electroluminescence in hybrid ZnO and conjugated polymer poly[2-methoxy-5-(3',7'-dimethyloctyloxy)-1,4-phenylenevinylene] (MDMO-PPV) bulk heterojunction photovoltaic cells. Photoluminescence quenching experimental results indicate that the ultrafast photoinduced electron transfer occurs from MDMO-PPV to ZnO under illumination. The ultrafast photoinduced electron transfer effect is induced because ZnO has an electron affinity about 1.2 eV greater than that of MDMO-PPV. Electron `back transfer' can occur if the interfacial barrier between ZnO and MDMO-PPV can be overcome by applying a substantial electric field. Therefore, electroluminescence action due to the fact that the back transfer effect can be observed in the ZnO:MDMO-PPV devices since a forward bias is applied. The photovoltaic and electroluminescence actions in the same ZnO:MDMO-PPV device can be induced by different injection ways: photoinjection and electrical injection. The devices are expected to provide an opportunity for dual functionality devices with photovoltaic effect and electroluminescence character. |
| Related Links | http://iopscience.iop.org/article/10.1088/0256-307X/24/5/062/pdf |
| Ending Page | 1353 |
| Page Count | 4 |
| Starting Page | 1350 |
| ISSN | 0256307X |
| e-ISSN | 17413540 |
| DOI | 10.1088/0256-307x/24/5/062 |
| Journal | Chinese Physics Letters |
| Issue Number | 5 |
| Volume Number | 24 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2007-05-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Chinese Physics Letters Photovoltaic and Electroluminescence |
| Content Type | Text |
| Resource Type | Article |
| Subject | Physics and Astronomy |
