標題: WO3 mesocrystal-assisted photoelectrochemical activity of BiVO4
作者: Chien Nguyen Van
Thi Hien Do
Chen, Jhih-Wei
Tzeng, Wen-Yen
Tsai, Kai-An
Song, Haili
Liu, Heng-Jui
Lin, Yan-Cheng
Chen, Yi-Chun
Wu, Chung-Lin
Luo, Chih-Wei
Chou, Wu-Ching
Huang, Rong
Hsu, Yung-Jung
Chu, Ying-Hao
材料科學與工程學系
電子物理學系
Department of Materials Science and Engineering
Department of Electrophysics
公開日期: 1-三月-2017
摘要: Self- assembled nanocomposites have gained much attention over the past decade due to their intriguing properties and functionalities. In this work, we developed a self-assembled nanocomposite photoanode composed of an epitaxial BiVO4 matrix embedded with WO3 mesocrystals for photoelectrochemical (PEC) applications in the visible- light regime. The orientation of the crystal facet and interface provides a superior template to understand the intimate contact between the two constituent phases. We demonstrate that the interfacial coupling of the mesocrystal and matrix improves the separation of photoexcited carriers and the properties of charge transfer, resulting in a greatly enhanced PEC performance compared with their parent compounds. The current study demonstrates that the utilization of the interface-to-volume ratio to optimize charge interactions in the nanocomposite is essential for the advanced design of novel mesocrystal-embedded nanocomposite photoelectrodes.
URI: http://dx.doi.org/10.1038/am.2017.15
http://hdl.handle.net/11536/144886
ISSN: 1884-4049
DOI: 10.1038/am.2017.15
期刊: NPG ASIA MATERIALS
Volume: 9
顯示於類別:期刊論文