Abstract
A new material, C60@AgCl-LDO, is created for photoelectrically degrading Bisphenol A (BPA). The core of this material is a C60@AgCl shell, which is supported by a ZnAlTi layer double oxide (LDO). The morphology, structure, composition and photoelectrocatalysis activities were extensively measured and analyzed. As a kind of Ag-based photocatalyst with heterostructure, C60@AgCl-LDO nanoparticles showed a strong absorption in the near-UV region. C60 was served as a supporting material to promote the stability of structure. This photoelectrocatalysis material had efficient catalytic activities, because it mitigated the recombination of photo-generated charges. The BPA degradation by irradiation using simulated visible-light was 99% for 5 cycles, when C60@AgCl-LDO was used as the photoelectric catalyst in 0.1 mol/L NaCl electrolyte with an applied voltage of -1.0eV for 2h. Further experiments showed that, during this photoelectric degradation process, the free radical •OH and the superoxide radicals were the principal factor which affected the degradation efficiency. C60@AgCl-LDO was demonstrated to be an effective photoelectric-catalyst with remarkable photoelectrocatalysis activities.
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