<P>CdS-sensitized 1D Zr:Fe2O3 nanorod arrays were synthesized on fluorine-doped tin oxide substrates by a two-step hydrothermal method. The photoelectrochemical results demonstrate that the current density (4.2mAcm(-2) at 0V vs. Ag/AgCl) recorde...
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https://www.riss.kr/link?id=A107513954
2017
-
SCOPUS,SCIE
학술저널
2030-2039(10쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>CdS-sensitized 1D Zr:Fe2O3 nanorod arrays were synthesized on fluorine-doped tin oxide substrates by a two-step hydrothermal method. The photoelectrochemical results demonstrate that the current density (4.2mAcm(-2) at 0V vs. Ag/AgCl) recorde...
<P>CdS-sensitized 1D Zr:Fe2O3 nanorod arrays were synthesized on fluorine-doped tin oxide substrates by a two-step hydrothermal method. The photoelectrochemical results demonstrate that the current density (4.2mAcm(-2) at 0V vs. Ag/AgCl) recorded under illumination for the CdS/1D Zr:Fe2O3 photoanodes is 2.8time higher than the bare 1D Zr:Fe2O3. The extended absorbance spectrum, the reduced recombination, and the effective transport of photogenerated holes in CdS to the electrolyte facilitate enhancement in the photoelectrochemical performance. From X-ray photoelectron spectroscopy and TEM observations of the bare and aluminum oxide-treated CdS/1D Zr:Fe2O3 photoanodes, we could confirm that the 1D Zr:Fe2O3 nanorods were covered by the CdS layer and Al2O3 layer present on surface of CdS. Furthermore, the photocurrent and stability of the CdS/1D Zr:Fe2O3 nanorods was significantly enhanced by Al2O3 compared to bare CdS/1D Zr:Fe2O3 heterojunction owing to its ability to act as an effective holetransport- as well as photocorrosion-protecting layer. These remarkable enhancements in light-energy harvesting, improvement in charge transport, and stability directly suggest the usefulness of photoanodes for solar hydrogen generation.</P>