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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.29 No.6
- 발행연도
- 2020.11
- 수록면
- 200 - 204 (5page)
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Fe₂O₃–Cu₂O heterojunction nanowire arrays are a promising photoelectrode technology for solar fuel production because of their increased absorption ability as well as the enhanced separation and transfer rate of the charge carriers. Here, we report on the preparation of a Fe₂O₃–Cu₂O heterojunction nanowire photoelectrode by sequential electrodeposition and we investigate its photoelectrochemical properties. The Fe₂O₃–Cu₂O heterojunction photoelectrode is successfully prepared using an anodic aluminum oxide (AAO) membrane as a template material. One side of a double-pass AAO membrane is covered with conductive Ag paste and then Fe and Cu are sequentially electrodeposited in the metal salt electrolyte for constructing the heterojunction nanowire arrays. The sequentially deposited Fe–Cu nanowire arrays are converted into Fe₂O₃–Cu₂O nanowire photoelectrodes by a post-annealing process. The front side of the crystallized Fe₂O₃–Cu₂O heterojunction nanowire photoelectrode undergoes a photoelectrochemical reaction upon illumination with solar light, and its improved photoelectrochemical properties are investigated intensively. In summary, we propose a facile electrodeposition method to prepare a p–n heterojunction electrode with high charge separation efficiency and improved charge transport efficiency for artificial photosynthesis through solar water splitting and the hydrogen evolution reaction.
목차
ABSTRACT
1. Introduction
2. Experimental details
3. Results and discussion
4. Conclusions
References
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