| 1 | Enhanced Photocatalytic Degradation of Rhodamine B by Cu_2O Coated Silicon Nanowire Arrays in Presence of H_2O_2显示文摘Highly ordered Cu2 O coated silicon nanowire arrays(Si NWAs) were fabricated as photocatalyst via depositing Cu nanoparticles on silver-assisted electroless-etched Si NWAs and subsequently annealing. The as-prepared samples have been characterized by scanning electron microscopy, X-ray diffraction and UV e VIS e NIR spectrophotometry. The photocatalytic properties of the Cu2 O coated Si NWAs were investigated by degradation of Rhodamine B(Rh B) under simulated solar light with a cut-off filter(l > 420 nm). The results indicated that H2O2 could greatly improve the photocatalytic properties of Cu2 O coated Si NWAs, and exhibited strong synergy effect between them. The hybrid nanowire arrays will be promising photocatalytic materials in the field of energy and environment. | Chengtao Yang Jinliang Wang Lirun Mei Xiaoyu Wang | 2014 | Journal of Materials Science & Technology2014，30，11： | 7 |
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