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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Enhanced photoelectrochemical water splitting by oxides heterojunction photocathode coupled with Ag
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Enhanced photoelectrochemical water splitting by oxides heterojunction photocathode coupled with Ag

机译:氧化物异质结光阴离子与AG加强的光电化学水分裂

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摘要

A novel one-dimensional Co3O4/CuO/Ag composite structure film was directly grown on indium tin oxide glass substrate by a simple hydrothermal method and electrodeposition method. The film was employed for the first time as a photocathode for photoelectrochemical (PEC) water splitting to generate hydrogen. The photocurrent density of the Co3O4/CuO/Ag composite structure achieved -5.13 mA cm(-2) at -0.2 V vs. RHE, which is roughly 12.8 times that of 1D Co3O4 nanowires and 3.31 times Co3O4/CuO heterojunction photocathodes. The enhanced PEC performance of this Co3O4/CuO/Ag composite structure ascribes increased light-harvesting and light-absorption, distensible photoresponse range, decreased interface charge transfer resistance, and improved photogenerated electron-hole pairs transfer and separation.
机译:通过简单的水热法和电沉积法直接在氧化铟锡玻璃基板上生长一种新的一维CO3O4 / CUO / Ag复合结构薄膜。 将薄膜首次用于光电阴极用于光电化学(PEC)水分离以产生氢气。 Co3O4 / CuO / Ag复合结构的光电流密度在-0.2V与rhe达到-5.13mAcm(-2),其大约为1dCO3O4纳米线和3.31次CO 3 O 4 / CuO异质结光阴离子的12.8倍。 该CE3O4 / CUO / AG复合结构的增强的PEC性能归因于光收获和吸光,延伸光响应范围,降低界面电荷传递电阻,并改善了光培炼的电子 - 空穴对转移和分离。

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