The strong dependence of the bi-functionalities of core–shell-like gold-based nanocomposites on the size of gold nanoparticles

2017 ◽  
Vol 5 (44) ◽  
pp. 11411-11415 ◽  
Author(s):  
Lixia Qin ◽  
Jiefei Liu ◽  
Shi-Zhao Kang ◽  
Guodong Li ◽  
Xiangqing Li
Keyword(s):  
Quantum Dots ◽  
Gold Nanoparticles ◽  
Raman Scattering ◽  
Strong Dependence ◽  
Graphene Quantum Dots ◽  
Core Shell ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering ◽  
Scattering Response

Gold nanoparticles of various sizes were facially assembled with a glycine derivative and graphene quantum dots, respectively. The obtained gold-based composites showed a strong dependence of fluorescence and surface enhanced Raman scattering response on the size of the AuNPs.

Facile synthesis of silver and bimetallic silver–gold nanoparticles and their applications in surface-enhanced Raman scattering

RSC Advances ◽  
2014 ◽  
Vol 4 (110) ◽  
pp. 64860-64870 ◽  
Author(s):  
Bharat Baruah ◽  
Meshack Kiambuthi
Keyword(s):  
Gold Nanoparticles ◽  
Raman Scattering ◽  
Surface Enhanced Raman Scattering ◽  
Core Shell ◽  
Facile Synthesis ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Enhanced Raman Scattering ◽  
Dye Molecule

Monometallic and bimetallic core–shell colloids reported here demonstrate significant SERS signals for a hydrophobic dye molecule at as low as 10 nM and AEF lies within the highest literature values.

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