In the present study, by heating a quartz glass substrate having the dry residue of a 10 μL droplet of a solution of HAuCl and a counter substrate facing to the dry residue from room temperature to one hundred and several tens of degrees Celsius in 20 min in air, highly dense gold nanoparticles were produced on the counter substrate. A gold nanoparticle substrate produced by this simple method was utilized as a substrate for surface-enhanced Raman scattering analysis.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10766670PMC
http://dx.doi.org/10.1007/s44211-023-00438-xDOI Listing

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