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

J Phys Chem C Nanomater Interfaces. 2022 Jul 28;126(29):12074-12081. doi: 10.1021/acs.jpcc.2c02432. Epub 2022 Jul 13.

ABSTRACT

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).

PMID:35928240 | PMC:PMC9340803 | DOI:10.1021/acs.jpcc.2c02432

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