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One‐Step Self‐Assembly Fabrication of High Quality NixMg1‐xO Bowl‐Shaped Array Film and Its Enhanced Photocurrent by Mg,2+ Doping |
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| Authors: | Yan Zhao Linfeng Hu Shangpeng Gao Meiyong Liao Liwen Sang Limin Wu |
| Affiliation: | 1. Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, P.R. China;2. Optical and Electronic Materials Unit, National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, Japan;3. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki, Japan |
| Abstract: | A series of high quality NixMg1‐xO bowl‐shaped array films are successfully prepared by a simple one‐step assembly of polystyrene colloidal spheres and metal oxide precursors at oil–water interface, and further used to fabricate nanodevices. The doping of Mg2+ can greatly enhance the current and spectrum responsivity of NiO film‐based nanodevice. The maximum Rλ value of these bowl‐shaped NixMg1‐xO film‐based devices measured in the study shows 4–5 orders of enhancement than the previously reported NixMg1‐xO film at equal doping. |
| Keywords: | bowl‐shaped array films DFT calculation enhanced photocurrent one‐step self‐assembly |