期刊
CHEMICAL ENGINEERING JOURNAL
卷 285, 期 -, 页码 286-292出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2015.09.103
关键词
Microfluidics; Gold nanorods; PEG; Plasmonics
资金
- EU
- ERC [ERC-2013-CoG-614715]
- People Program (CIG-Marie Curie Actions, REA grant) [321642]
- VI National RDi Plan
- Iniciativa Ingenio
- Consolider Program
- CIBER Actions
- Instituto de Salud Carlos III (Spain)
A microfluidic platform with multiple reactant additions has been used for the continuous, unseeded synthesis of gold nanorods. This system allows separate control of the seed forming and nanorod growing stages, increasing reproducibility and reducing undesired effects related to a poor control of the seed aging stage. Also, on-stream surface functionalization with poly(ethylene glycol)-methyl ether thiol (SH-PEG) has been performed, allowing a 100-fold reduction in the consumption of this reactant compared to the amounts used in a conventional batch reactor. The system also facilitates tuning the concentration of halide anions (Cl- and Br-) that are used to modify the aspect ratio of the resulting rods. (C) 2015 The Authors. Published by Elsevier B.V.
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