Fabrication of bismuth copper vanadate electrodes through feasible chemical solution method for visible light-induced water oxidation
作者： Yukihiro Nakabayashi , Masami Nishikawa , Yoshio Nosaka
DOI: 10.1007/S10800-015-0890-4
关键词:
摘要: Film electrodes of a ternary metal oxide, bismuth copper vanadate (BiCu2VO6), were fabricated directly on FTO (fluorine-doped tin oxide glass) substrates by chemical solution method using precursor the component ions. To improve purity BiCu2VO6 films, temperature and time in pre-heating process carefully selected thermogravimetric differential thermal analysis X-ray photoelectron spectroscopy film. The fabrication pure films keeping tight contact to substrate was confirmed diffraction, cross-sectional scanning electron microscope images, scratching film soft paper. band gap energy E g = 2.10 V flat potential U FB 0.43 (vs. SHE at pH 0) for obtained. For photoelectrode, wavelength dependence incident photon current efficiency (IPCE) corresponded absorption spectrum, IPCE exhibited several-folds larger values than those electrode depositing particles an substrate.
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