A facile fabrication of high-quality Si/Cu2O nanowire arrays for photoelectrochemical water splitting
作者： Shaoyang Zhang , Guangwei She , Lixuan Mu , Wensheng Shi
DOI: 10.1016/J.MATLET.2017.03.124
关键词: Materials science 、 Microstructure 、 Nanoparticle 、 Nanowire 、 Water splitting 、 Thermal decomposition 、 Nanotechnology 、 Photocurrent 、 Heterojunction 、 Fabrication 、 Optoelectronics
摘要: Abstract As the potential applications of nanostructured Si/Cu 2 O heterojunction in electronic and photoelectronic devices, various methods has been developed to fabricate such heterojunctions. In this study, nanowire arrays were fabricated by in-situ thermal decomposition Cu(NO 3 ) on silicon nanowires. The as-decomposed Cu nanoparticles found be uniformly distributed surfaces Si microstructure, chemical composition states products investigated. Utilized as photoanodes for photoelectrochemical water splitting, exhibited a maximum photocurrent density 4 mA/cm at 1.23 V vs. RHE an onset 0.62 V RHE.
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