期刊
NANOSCALE ADVANCES
卷 4, 期 12, 页码 2583-2607出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2na00099g
关键词
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资金
- NIGMS [R35GM133488]
Characterizing dynamic processes occurring at the nanoparticle surface is crucial for developing efficient NP catalysts and materials. Solution NMR spectroscopy has emerged as a preferred tool for investigating ligand-NP interactions, providing structural, kinetic, and thermodynamic information on sorption equilibria. Integrated analysis of multiple NMR datasets can elucidate the role of support-substrate interactions in nanoparticle catalysis.
Characterization of dynamic processes occurring at the nanoparticle (NP) surface is crucial for developing new and more efficient NP catalysts and materials. Thus, a vast amount of research has been dedicated to developing techniques to characterize sorption equilibria. Over recent years, solution NMR spectroscopy has emerged as a preferred tool for investigating ligand-NP interactions. Indeed, due to its ability to probe exchange dynamics over a wide range of timescales with atomic resolution, solution NMR can provide structural, kinetic, and thermodynamic information on sorption equilibria involving multiple adsorbed species and intermediate states. In this contribution, we review solution NMR methods for characterizing ligand-NP interactions, and provide examples of practical applications using these methods as standalone techniques. In addition, we illustrate how the integrated analysis of several NMR datasets was employed to elucidate the role played by support-substrate interactions in mediating the phenol hydrogenation reaction catalyzed by ceria-supported Pd nanoparticles.
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