Continuous flow synthesis of ultrasmall gold nanoparticles in a microreactor using trisodium citrate and their SERS performance
Chemical Engineering Science(2018)
Abstract
•Sub-3 nm gold nanoparticles were synthesized in continuous flow capillary reactors.•Negatively charged capillary-solution interface offered enhanced nucleation rate.•Gold nanoparticles with a weaker capping agent provided higher SERS signal.
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Key words
Microreactors,Gold nanoparticles,Citrate reduction,Nucleation enhancement,Wall effects
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