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Facile synthesis of concentrated gold nanoparticles with low size-distribution in water: temperature and pH controls

Chunfang Li, Dongxiang Li*, Gangqiang Wan, Jie Xu and Wanguo Hou*

State Key Laboratory Base of Eco-Chemical Engineering, Lab of Colloids and Interfaces, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China

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Nanoscale Research Letters 2011, 6:440  doi:10.1186/1556-276X-6-440

Published: 6 July 2011

Additional files

Additional file 1:

Sample photos, supplementary TEM images, SPR peak changes and UV-vis spectra. Sample photos of concentrated GNPs prepared at different conditions, supplementary TEM images of a selected sample of aggregated Au colloids, SPR peak changes of gold colloids prepared after different reaction time, and the temporal changes of UV-vis spectra and photos in the formation process of GNPs.

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