A new preparation method of gold nanoparticles by intra-reduction of sodium gold(I) sulfite

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A new preparation method of gold nanoparticles by intra-reduction of sodium gold(I) sulfite

Wu-Yang Nie , Le Li , De-Liang Li , Xi Liu

Citation: Wu-Yang Nie, Le Li, De-Liang Li, Xi Liu. A new preparation method of gold nanoparticles by intra-reduction of sodium gold(I) sulfite[J]. Chinese Chemical Letters, 2014, 25(2): 380-382. shu

shu

A new preparation method of gold nanoparticles by intra-reduction of sodium gold(I) sulfite

Wu-Yang Nie ^a, ,
Le Li ^b, ,
De-Liang Li ^{a,
,} ,
Xi Liu ^a,

通讯作者: De-Liang Li,

基金项目:
This work was financially supported by the National Natural Science Foundation of China (No. 20976201) (No. 20976201)

Technology (No. CX2012B04). (No. CX2012B04)

摘要: In this study, well-dispersed gold nanoparticles were prepared by using intra-molecular reduction of sodium gold sulfite, without using additional reductants and chloride free. The technical parameters including transformation temperature, pH, and concentration were optimized by the single-factor method as 90 ℃, pH 1, and 0.01 mmol/L [Na₃Au(SO₃)₂], respectively. The resultant colloidal transmission electron microscopy images (TEM) and UV-vis absorption spectrophotometer spectra were acquired to check their properties, and the results show this kind of colloidal gold is controlled to 6 nm in sizes and has good stability in solution.

关键词:

English

A new preparation method of gold nanoparticles by intra-reduction of sodium gold(I) sulfite

Wu-Yang Nie ^a, ,
Le Li ^b, ,
De-Liang Li ^{a,
,} ,
Xi Liu ^a,

1.
a Central South University of Forest and Technology, Changsha 410004, China;
2.
b University of Florida, 2800 SW Williston Road, Gainesville city, FL 32608, USA

Corresponding author: De-Liang Li,

Received Date: 22 September 2013
Fund Project:

Abstract: In this study, well-dispersed gold nanoparticles were prepared by using intra-molecular reduction of sodium gold sulfite, without using additional reductants and chloride free. The technical parameters including transformation temperature, pH, and concentration were optimized by the single-factor method as 90 ℃, pH 1, and 0.01 mmol/L [Na₃Au(SO₃)₂], respectively. The resultant colloidal transmission electron microscopy images (TEM) and UV-vis absorption spectrophotometer spectra were acquired to check their properties, and the results show this kind of colloidal gold is controlled to 6 nm in sizes and has good stability in solution.

Key words:

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