半导体纳米复合材料的制备及其光电催化CO2还原

University Chemistry(2020)

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Abstract
本实验通过模拟植物光合作用,设计制备了新颖的光电联合催化池3D-ZnO/Ni‖BiVO4/FTO,用电化学沉积法制备了泡沫镍负载的ZnO纳米棒光电阴极和BiVO4光电阳极,以0.1 mol·L?1 KHCO3水溶液作为电解质,1 mmol·L?1曙红Y为光敏剂,在?0.6 V硅太阳电池的电压下光电催化还原CO2得到了乙醇、乙酸和甲醇,总产率22.5μmol·L?1·h?1·cm?2.实现了将太阳能贮存为化学能并减少了空气中的CO2,加深了学生对绿色化学和植物Calvin循环机理的理解.
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Key words
photoelectrocatalysis,semiconductor nanocomposites
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