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One-Step Synthesis of Gold Nanoparticles Using Liquid Crystal Molecules for Surface-Enhanced Raman Scattering Detection
- Source :
- Plasmonics. 15:1675-1681
- Publication Year :
- 2020
- Publisher :
- Springer Science and Business Media LLC, 2020.
-
Abstract
- Gold nanoparticles have received widespread attention as surface-enhanced Raman scattering (SERS) detection active substrates. In this work, we used the nematic liquid crystal molecule N-(4-methoxybenzylidene)-4-butylaniline (MBBA) at room temperature to synthesize liquid crystal (LC)-Au nanoparticles in one step without adding any other reducing agents or stabilizers. Gold nanoparticles synthesized by this method have good sensitivity and stability as a SERS substrate. The nanoparticles can detect Rhodamine 6G (R6G) molecules with a concentration as low as 10−8 M, and the SERS signal does not decrease significantly in 30 days. Using this synthesis principle, we grew gold nanoparticles in a capillary in one step. We expect the proposed method to result in a highly efficient and portable SERS substrate after subsequent improvements.
- Subjects :
- Materials science
Biophysics
Substrate (chemistry)
Nanoparticle
One-Step
02 engineering and technology
021001 nanoscience & nanotechnology
01 natural sciences
Biochemistry
010309 optics
Rhodamine 6G
MBBA
chemistry.chemical_compound
symbols.namesake
chemistry
Chemical engineering
Colloidal gold
Liquid crystal
0103 physical sciences
symbols
0210 nano-technology
Raman scattering
Biotechnology
Subjects
Details
- ISSN :
- 15571963 and 15571955
- Volume :
- 15
- Database :
- OpenAIRE
- Journal :
- Plasmonics
- Accession number :
- edsair.doi...........4d72d218a1edc670221a95636f966a05