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Citation: NAN Caiyun, ZHANG Yu, LI Yufeng, ZHAO Yunling. Preparation of Gold Nanoparticles and Their Optical Properties[J]. University Chemistry, ;2019, 34(1): 58-63. doi: 10.3866/PKU.DXHX201806030 shu

Preparation of Gold Nanoparticles and Their Optical Properties

Experimental Chemistry Center of Beijing Normal University, College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China

Received Date: 22 June 2018

This paper designed a facile comprehensive experiment based on the frontier research topic of gold nanoparticles. The well-dispersed gold suspensions were synthesized by the reduction of chloroauric acid with sodium citrate and their size-dependent optical properties were discussed. Moreover, the gold nanoparticles were explored as primary electrolyte sensors because the addition of electrolytes induced aggregation of the nanoparticles and caused color changes.
- Gold nanoparticle,
- Optical property,
- Size,
- Fundamental experiment
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