Is Rb2PtX6 (X = Cl, Br, and I) a promising Pb-free vacancy-ordered double perovskites for photoelectrochemical water splitting applications?

In this work, the band structure feature, charge carrier mobility, optical properties, and photocatalytic performance of platinum-based vacancy-ordered double perovskites Rb 2 PtX 6 (X = Cl, Br, and I) are investigated. The results show the semiconducting character of all three materials with band g...

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