array(2) { ["lab"]=> string(3) "879" ["publication"]=> string(4) "6498" } A facile fabrication of high-quality Si/Cu 2 O nanowire arrays for photoelectrochemical water splitting - 师文生 课题组 | LabXing

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简介 应用光电纳米材料与器件

大学 中国科学院理化技术研究所 / 光电信息材料与器件
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A facile fabrication of high-quality Si/Cu 2 O nanowire arrays for photoelectrochemical water splitting

2017
期刊 Materials Letters
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As the potential applications of nanostructured Si/Cu2O heterojunction in electronic and photoelectronic devices, various methods has been developed to fabricate such heterojunctions. In this study, the Si/Cu2O heterojunction nanowire arrays were fabricated by the in-situ thermal decomposition of Cu(NO3)2 on silicon nanowires. The as-decomposed Cu2O nanoparticles were found to be uniformly distributed on the surfaces of Si nanowires. The microstructure, chemical composition and states of the products were investigated. Utilized as photoanodes for photoelectrochemical water splitting, the Si/Cu2O heterojunction nanowire arrays exhibited a maximum photocurrent density of 4 mA/cm2 at 1.23 V vs. RHE and an onset potential of 0.62 V vs. RHE.

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