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Long-Life and pH-Stable SnO2-Coated Au Nanoparticles for SHINERS
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Long-Life and pH-Stable SnO2-Coated Au Nanoparticles for SHINERS

Julia Fernández-Vidal, Ana M. Gómez-Marín, Leanne A. H. Jones, Chih-Han Yen, Tim D. Veal, Vinod R. Dhanak, Chi-Chang Hu 和 Laurence J. Hardwick
Journal of Physical Chemistry C
2022
DOI: https://doi.org/10.1021/acs.jpcc.2c02432

摘要

Electronic Optical and Magnetic Materials Energy (all) Physical and Theoretical Chemistry Surfaces Coatings and Films
Shell-isolated nanoparticles (SHINs) with a 37 nm gold core and an 11 nm tin dioxide (SnO2) coating exhibited long-life Raman enhancement for 3 months and a wide pH stability of pH 2-13 in comparison with conventional SiO2-coated SHINs. Herein, Au-SnO2 is demonstrated as a more durable SHIN for use in the technique Shell-Isolated Nanoparticles for Enhanced Raman Spectroscopy (SHINERS).

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