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ZnO-CdZnS Core-Shell Nanocable Arrays for Highly Efficient Photoelectrochemical Hydrogen Generation

  • Yoon Myung (a1), Dong Myung Jang (a2), Yong Jei Sohn (a3), Tae Kwang Sung (a4), Gyeong Bok Jung (a5), Yong Jae Cho (a6), Han Sung Kim (a7) and Jeunghee Park (a8)...

Abstract

High-density TiO2-CdS and ZnO-CdS core-shell nanocable arrays were synthesized on large-area Ti substrates. The CdS layers were deposited on the pre-grown vertically-aligned TiO2 (rutile) and ZnO nanowire arrays, with a controlled thickness (10~50 nm), using the vapor transport method. The ZnO-CdS nanocables consisted of single-crystalline wurtzite CdS shells whose [001] direction was aligned along the [001] wire axis of the wurtzite ZnO core, which is distinctive from the polycrystalline shell of the TiO2-CdS nanocables. We fabricated the photoelectrochemical cell using the ZnO-CdS photoelectrode exhibits much more efficient hydrogen generation than that using the TiO2-CdS one.

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ZnO-CdZnS Core-Shell Nanocable Arrays for Highly Efficient Photoelectrochemical Hydrogen Generation

  • Yoon Myung (a1), Dong Myung Jang (a2), Yong Jei Sohn (a3), Tae Kwang Sung (a4), Gyeong Bok Jung (a5), Yong Jae Cho (a6), Han Sung Kim (a7) and Jeunghee Park (a8)...

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