Abstract Flower-like molybdenum diselenide (MoSe2) nanoflakes (NF) were prepared by a one-pot hydrothermal method and the samples were characterized by using various analytical techniques. Powder X-ray crystallography (XRD) has confirmed the hexagonal crystal phase of the MoSe2 and the SEM images have shown clear flower-like structures of MoSe2 NF. The prepared MoSe2 NF and Pt assisted MoSe2 NF catalysts were evaluated for the methanol oxidation reaction (MOR) and photocatalytic hydrogen evolution. The electrocatalytic activity of platinum (Pt) supported MoSe2 NF was higher than that of bare MoSe2 NF, owing to redox characteristics of the Pt material. The photocatalytic hydrogen evolution test was performed under different range of light irradiations. The detailed catalyst stability and durability have been examined using recycling tests and 2400 s of chronoamperometry measurements.

中文翻译：

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用于光催化析氢和甲醇氧化的花状MoSe2纳米薄片的一锅合成

摘要 采用一锅水热法制备花状二硒化钼（MoSe2）纳米薄片（NF），并采用多种分析技术对样品进行表征。粉末 X 射线晶体学 (XRD) 证实了 MoSe2 的六方晶相，SEM 图像显示了 MoSe2 NF 的清晰花状结构。对制备的 MoSe2 NF 和 Pt 辅助的 MoSe2 NF 催化剂的甲醇氧化反应 (MOR) 和光催化析氢进行了评估。由于铂材料的氧化还原特性，铂 (Pt) 负载的 MoSe2 NF 的电催化活性高于裸 MoSe2 NF。光催化析氢试验在不同范围的光照射下进行。