Synthesis Of Tio2-X/W(18)O(49)Hollow Double-Shell And Core-Shell Microspheres For Co(2)Photoreduction Under Visible Light
CHEMICAL COMMUNICATIONS(2020)
摘要
TiO2-x/W(18)O(49)with core-shell or double-shelled hollow microspheres were synthesized through a facile multi-step solvothermal method. The formation of the hollow microspheres with a double-shell was a result of the Kirkendall effect during the solvothermal treatment with concentrated NaOH. The advanced architecture significantly enhanced the electronic properties of TiO2-x/W18O49, improving by more than 30 times the CO(2)photoreduction efficiency compared to the pristine W18O49.OperandoDRIFTS measurements revealed that the yellow TiO(2-x)was a preferable CO(2)adsorption and conversion site.
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关键词
photoreduction,double-shell microspheres,synthesis,tio<sub>2−x</sub>/w<sub>18</sub>o<sub>49</sub>
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