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Citation: QIN Ai-Miao, JIANG Zhi-Liang, ZOU Jie-Ming, WANG Li-Sheng, LIAO Lei, YIN Wen-Qing. Preparation of Gold Nanoparticles by High-Pressure Method with Polyacrylamide in Microwave Oven[J]. Chinese Journal of Applied Chemistry, ;2002, 19(12): 1150-1153. shu

Preparation of Gold Nanoparticles by High-Pressure Method with Polyacrylamide in Microwave Oven

1.
a Department of Resource and Enviro nmental Science, Guangxi Normal University, Guilin 541004;
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b Guilin Three-Gold Pharmceutical Company(Group), Guilin

Corresponding author: JIANG Zhi-Liang,
Received Date: 26 March 2002
Available Online: 3 September 2002
Fund Project: 广西自然科学基金(2014016) (2014016)

The diameters of gold nanoparticles in dark-red, purple and blue-violet colors were 8.3, 30 and 60 nm, respectively. The maximum peak in UV absorption spectra was at 524 nm and 542 nm for dark-red and purple gold particles, respectively, while their maximum peaks in resonance scattering spectra were at 570 nm and 550 nm, respectively. Two absorption peaks were observed:530 nm and 620 nm for blue-violet gold nanoparticles, whose maximum resonance scattering peak was found at 550 nm. A solution of dark-red gold nanoparticles with diameter of 8.3 nm in concentration of [Au]<5.0×10^-4 g/L could be obtained from a solution of PAAm and Au(Ⅲ) at m(PAAm)/m(Au(Ⅲ))=19. The procedure has advantages of rapidity and convenience and can efford red gold nanoparticles with uniform distribution and good stability.
- gold nanoparticle,
- polyacrylamide,
- microwave high-pressure synthesis method,
- resonance scattering spectroscopy
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