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Citation: Wang Jian, Zhu Tao, Zhang Xu, Liu Zhong-Fan. The SERS Intensity vs the Size of Au Nanoparticles[J]. Acta Physico-Chimica Sinica, ;1999, 15(05): 476-480. doi: 10.3866/PKU.WHXB19990518 shu

The SERS Intensity vs the Size of Au Nanoparticles

1.
Center for Intelligent Materials Research(CIMR),College of Chemistry Molecular Engineering,Peking University,Beijing 100871

Received Date: 28 July 1998
Available Online: 15 May 1999

Applying the Au/PATP/Au nanoparticles sandwich structure as the model system, a semi-quantitative study on the SERS intensity with the size of Au nanoparticles has been performed. It shows that the SERS intensity increases with the size of Au nanoparticles from 15. 7nm to 66.0nm. The above trend agrees with the calculated value by Schatz, while the SERS enhancement factor is 2-3 orders of the calculated value.
- Surface enhanced Raman scattering(SERS),
- Au nnoprticles,
- Assembly,
- Enhancement factor
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