Abstract
Silver nanoparticles deposited on quartz substrates are widely used as SERS substrates. The nanoparticles can be deposited directly from colloidal solution by dipping technique. However, the adhesion of the particles on the quartz surface is very poor. Normally the substrate is pre-treated with hydroxylation or silanisation process. In this paper, we have demonstrated that the application of the sequence pre-treatment hydroxylation and silanisation have improved the density of silver nanoplates desposited on the quartz surface.•Sequence hydroxylation and silanisation pre-treatment assists the deposition of the nanoplate on the surface.•Various immersion times of the quartz surface into the colloidal nanoplates determined size distributions and density surface of the nanoplates on the surface.
Highlights
In order to obtain a high density of the nanoplates on the surface, effects of pre-treatment on the quartz surface were studied prior to being immersed into the colloidal
The various immersion times of the quartz surface into the colloidal nanoplates was carried out to observe the coverage of nanoplates distribution on the surface
Two pre-treatment studies, namely hydroxylation and silanisation were done on a cleaned quartz surface to study adhesion of the nanoplates on the surface
Summary
Norhayati Abu Bakara,*, Muhamad Mat Salleha, Akrajas Ali Umara, Joseph George Shapterb a Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia, 43600, Bangi, Selangor, Malaysia b Flinders University, School of Chemical and Physical Sciences, Bedford Park, Adelaide, South Australia, 5001, Australia
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