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Citation: ZHU Zhen-Dong, LUO Kai, SU Lin, XIONG Yi, WANG Yue-Chuan. Synthesis and Applications of Hyperbranched Polyester--Preparation and Characterization of Nanocrystal Silver Particles[J]. Chinese Journal of Applied Chemistry, ;2005, 22(9): 954-957. shu

Synthesis and Applications of Hyperbranched Polyester--Preparation and Characterization of Nanocrystal Silver Particles

1.
The State Key Laboratory of Polymer Materials Engineering, College of Polymer Science and Engineering, Sichuan University, Chengdu 610065

Corresponding author: WANG Yue-Chuan,
Received Date: 12 October 2004
Available Online: 11 February 2005
Fund Project: 教育部博士点基金资助项目(20030610061) (20030610061)

Hyperbranched polyester-encapsulated silver nanocrystals with a particle size of 3~19 nm,(averaged) size being(7.7±0.5) nm,were prepared by ultraviolet irradiation of silver ions in the mixture of -OH and -COOH groups functionalized hyperbranched polyester and P-containing surfactant (MOA-3PK).The silver nanoparticles were characterized by means of transmission electron microscopy,selected area electron diffraction technique,UV-Vis spectrometry,X-ray diffraction,X-ray photoelectron spectrometry and Fourier Transform Infrared spectroscopy.Controlled experiments show that non-aggregated silver nanoarticles could not be prepared without either hyperbranched polyester or P-containing surfactant,indicating the important role of the combination of hyperbranched polyester with P-containing surfactant in stabilizing silver nanoparticles during the photoreduction.
- hyperbranched polyester,
- silver nanoparticle,
- stabilizer,
- photoreduction
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