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Enhancing performance of ZnO/NiO UV photodetector by piezo-phototronic effect
| Content Provider | Semantic Scholar |
|---|---|
| Author | Yin, Bing Zhang, Haimin Chang, Yue Yang, Dechao Hu, Lizhong |
| Copyright Year | 2016 |
| Abstract | In this work, a UV photodetector based on a ZnO/NiO core/shell nanorods array is fabricated by hydrothermal growth processes and thermal oxidation. Compressive strain is applied to enhance the Ilight and sensitivity of the UV photodetectors. Under a 1 N compressive strain at −3.5 V, the enhancement in Ilight and sensitivity of the UV photodetector is about 74% and 78.7%, respectively. The possible working principle is that the negative piezo-polarization at the ZnO/NiO interface shifts the depletion region to the ZnO side leading to an increase of the photon-absorption volume. This work may provide a potential approach to enhance the performance of the ZnO/NiO UV photodetector. |
| Starting Page | 48319 |
| Ending Page | 48323 |
| Page Count | 5 |
| File Format | PDF HTM / HTML |
| DOI | 10.1039/C6RA07037J |
| Volume Number | 6 |
| Alternate Webpage(s) | http://www.rsc.org/suppdata/c6/ra/c6ra07037j/c6ra07037j1.pdf |
| Alternate Webpage(s) | https://doi.org/10.1039/C6RA07037J |
| Language | English |
| Access Restriction | Open |
| Content Type | Text |
| Resource Type | Article |
