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                          今天是:

                          陈士夫老师课题组在Applied Catalysis B: Environmental杂志发表论文-2018.1.17

                          论文名称:Synergistic effect of photocatalysis and thermocatalysis for selective oxidation of aromatic alcohols to aromatic aldehydesusing Zn3In2S6@ZnO composite

                          作者:JinghuZhanga,b,SugangMenga*, XiangjuYeb*, CancanLinga,b, SujuanZhanga, XianliangFua, ShifuChena,b*

                          单位:a Department of Chemistry, Huaibei Normal University, Anhui Huaibei, 235000, People’s Republic of China.

                          b Department of Chemistry, University of Science and Technology of Anhui, Anhui Fengyang, 233100, People’s Republic of China.

                          摘要:Selective oxidation of aromatic alcohols to corresponding carbonyl compounds under mild conditions has a promising prospect in industry. In the paper, we successfully prepared anew mode of photothermocatalyst, Zn3In2S6@ZnO composite, which shows dramatically enhanced activity for selective oxidation of benzyl alcohol to benzaldehyde compared with single Zn3In2S6and ZnO under visible light illumination. The enhancement is due to a synergistic effect of low-temperature thermocatalysis on ZnO and photocatalysis on Zn3In2S6. ZnO could weaken bonds of the C-Hα?and the O-H. Thenthe reactive species (·O2- and h+) generated on Zn3In2S6 could be easy forselective oxidation of benzyl alcoholto produce benzaldehyde. The photoelectrochemical and photoluminescence (PL) resultsand a series of control experiments (e.g. reaction temperature and radical scavenger) prove this synergistic effect and proposed mechanism. Moreover, the stable performance and high activity of Zn3In2S6@ZnO for other aromatic alcohols indicate its applicable potential. This study provides a promising way to combine photocatalysis and thermocatalysis for the design of novel and efficient visible-light-driven catalyst for selective oxidation of aromatic alcohols or other organics under mild reaction conditions.

                          Graphical abstract:

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                          影响因子:9.446

                          分区情况:SCI一区

                          论文链接:http://www.sciencedirect.com/science/article/pii/S092633731730629X

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