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p-Type CuFeO2 nanoflakes prepared by sodium alginate-assisted hydrothermal method for photoelectrochemical water reduction
- Xu, Cong, Jiang, Tengfei, Wu, Zhonglian, Zhou, Wenfeng, Zhang, Xu, Guo, Teng, Wu, Lisheng, Xue, Huaiguo
- Journal of materials science 2018 v.53 no.17 pp. 12407-12412
- absorption, hot water treatment, moieties, sodium, sodium alginate, sodium hydroxide
- p-Type delafossite CuFeO₂ is a promising material for photoelectrochemical water reduction due to its significant light absorption, chemical stability, and earth abundance. Herein, the CuFeO₂ nanoflakes are synthesized by using a sodium alginate-assisted hydrothermal method in a strong alkali environment with NaOH as the mineralizer. The carboxyl and hydroxyl group of sodium alginate adsorbs on the exposed facets of CuFeO₂ and promotes the generation of nanoflakes with small thickness. Moreover, the thin CuFeO₂ nanoflakes provide a direct and short charge transport channel for photoinduced charge carriers with an improved photoelectrochemical water reduction performance.