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• W4309773417 endingPage "155780" @default.
• W4309773417 startingPage "155780" @default.
• W4309773417 abstract "A hydrophobic catalyst of Pt nanoparticle supported by NiAl-LDHs nanosheets (Pt@LDHs) is fabricated for Liquid Phase Catalytic Exchange process, exhibiting higher activity than traditional Pt/C at high temperature and humidity conditions. The improved performance is attributed to the stronger interaction between Pt nanoclusters and hydrogen defective LDHs surface and better adsorption-desorption properties of water vapor on LDHs. • A hydrophobic catalyst of Pt supported by LDHs (Pt/LDHs) is fabricated for LPCE. • Pt/LDHs exhibits high dispersion of Pt and strong interaction of Pt with LDHs. • The strong metal-surface interaction restrains the aggregation of Pt nanoparticles. • Pt/LDHs owns higher activity than Pt/C at high temperature and humidity conditions. • DFT calculations benefit for better understanding of Pt-LDHs interactions for LPCE. Metal-support interaction plays a key role and remains a challenge in exploring highly efficient heterogeneous catalysts, especially for hydrophobic catalysts in Liquid Phase Catalytic Exchange (LPCE) process for water detritiation. In this work, supported Pt catalysts using layered double hydroxides (LDHs) as supports are featured by highly dispersed Pt nanoparticles, water resisting property, and strong interaction of Pt with LDHs, exhibiting excellent anti-aggregation of Pt nanoparticles and catalytic performance over traditional Pt/C at high temperature and humidity conditions. Density Functional Theory calculations show that there is strong interaction between Pt nanoclusters and hydrogen defective LDHs surface, together with significant interfacial charge transfer and metal electronic structure modification, which can restrain the aggregation of Pt on LDHs and enhance catalytic activity. These findings are helpful to deepen understandings of the effects of metal-support interactions in LPCE process, which shed valuable insights for the design and preparation of highly-efficient hydrophobic catalysts on LDHs with prospective applications in water detritiation." @default.
• W4309773417 created "2022-11-29" @default.
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• W4309773417 date "2023-02-01" @default.
• W4309773417 modified "2023-10-15" @default.
• W4309773417 title "NiAl-layered double hydroxides stabilized Pt clusters with enhanced metal-support interaction: Boosting hydrogen isotope separation" @default.
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• W4309773417 doi "https://doi.org/10.1016/j.apsusc.2022.155780" @default.
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