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Enhanced visible-light coloration and its mechanism of MoO3 thin films by Au nanoparticles |
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| Authors: | Tao He Ying Ma Yaan Cao Yanhua Yin Wensheng Yang Jiannian Yao |
| Affiliation: | Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, PR China |
| Abstract: | A new kind of MoO3/Au film was prepared by depositing Au nanoparticles on the surface of MoO3 thin film through spin-on coating technique. After cathodic polarization, the MoO3/Au thin film was found to show enhanced visible-light coloration compared with MoO3 thin films. The formation of Schottky barrier at the MoO3/Au interface, and the visible-light coloration mechanism of the MoO3/Au film are elucidated by the energy band theory based on surface photovoltaic spectroscopy measurements. |
| Keywords: | MoO3 Gold nanoparticles Visible-light coloration Schottky barrier |
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