Studies on the Surface Interaction and Dispersity of Silver Nanoparticles in Organic Solvents

Chin. Phys. Lett.

2000, Vol. 17

Issue (9): 697-699 DOI:

Original Articles

Studies on the Surface Interaction and Dispersity of Silver Nanoparticles in Organic Solvents

ZENG Rong;RONG Min-Zhi;ZHANG Ming-Qiu;ZENG Han-Min

Institute of Materials Science, Key Laboratory of Polymeric Composite & Functional Materials of the Ministry of Education of China, Zhongshan University, Guangzhou 510275

Cite this article:

ZENG Rong, RONG Min-Zhi, ZHANG Ming-Qiu et al 2000 Chin. Phys. Lett. 17 697-699

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Abstract Silver nanoparticles with different sizes have been prepared by microemulsion and have been surface-modified with C₁₂H₂₅SH. Electron spin resonance results indicate that there exist some kinds of surface local paramagnetic sites in capped Ag nanoparticles, which leads to the relation between electron spin resonance parameters and particle size deviating from Kawabata's description. There is a strong interaction between nanosilver and chloroform. The smaller the particles, the stronger the interaction. Transmission electron microscopy and ultravilolet-visible absorption spectra confirmed that Ag nanoparticles are well dispersed in chloroform, implying that a good dispersity of Ag nanoparticles in polymers could be obtained by means of solution mixing by using chloroform as the solvent.

Keywords: 82.80.Ch 81.40.Tv 81.20.Ti

Published: 01 September 2000

PACS:	82.80.Ch
	81.40.Tv	(Optical and dielectric properties related to treatment conditions)
	81.20.Ti

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2000/V17/I9/0697

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