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Fabrication of Gold Nanocrystal Coated Polypyrrole Nanotubule.
來源:袁金穎副教授個(gè)人網(wǎng)站 發(fā)布日期:2011-09-29
作者:Yonghong He, Jinying Yuan*, Gaoquan Shi,*
關(guān)鍵字:/
論文來源:期刊
具體來源:Journal of Materials Chemistry, 2005, 15: 859
發(fā)表時(shí)間:2005年

A method of fabricating gold nanocrystals coated polypyrrole (PPy) tubules was developed by coating carboxylic acid–thiol-capped or citrate-reduced gold nanoparticles on polypyrrole tubule templates. Electrostatic interaction between gold nanoparticles and PPy tubules was used as a driving force for this assembly process. The gold nanoparticle coated PPy tubule can be applied as signal-enhancing cuvettes for Raman spectroscopic analysis of trace molecules. The Raman scattering of trace Rhodamine B on the Au nanoparticle-coated tubule was enhanced by a factor of 104–105.

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