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Proceedings Article

Preparation of gold colloid and its surface-enhanced Raman scattering properties

[+] Author Affiliations
Ling Hu, Zhenyi Chen, Na Chen, Wei Zhang, Hongfei Zhu, Shupeng Liu, Tingyun Wang

Shanghai Univ. (China)

Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 830826 (December 07, 2011); doi:10.1117/12.905676
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From Conference Volume 8308

  • Optoelectronic Materials and Devices VI
  • Guang-Hua Duan
  • Shanghai, China | November 13, 2011

abstract

Nanosized colloidal gold was prepared by the reduction of chloroauric acid with trisodium citrate in aqueous solution with microwave heating method. The diameters of gold nanoparticles were from 13 to 70 nm with the ratio of the trisodium citrate and chloroauric acid. With rhodamine 6G (R6G) as the detection molecules, the SERS properties of gold colloid were studied. Experimental results show that the gold colloids with 50-60nm particle diameters are excellent SERS substrates and sodium chloride (NaCl) can improve gold colloid's surface-enhancement effect.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Ling Hu ; Zhenyi Chen ; Na Chen ; Wei Zhang ; Hongfei Zhu, et al.
"Preparation of gold colloid and its surface-enhanced Raman scattering properties", Proc. SPIE 8308, Optoelectronic Materials and Devices VI, 830826 (December 07, 2011); doi:10.1117/12.905676; http://dx.doi.org/10.1117/12.905676


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