期刊
NEW JOURNAL OF CHEMISTRY
卷 38, 期 4, 页码 1551-1558出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nj01050c
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资金
- University Grants Commission (UGC), Govt. of India, New Delhi [No 39-782/2010 (SR)]
- Tamilnadu State Council for Science and Technology, Chennai
Herein, we report the stabilization of silver and gold nanoparticles (Ag/Au NPs) on graphene oxide (GO) functionalized with PAMAM dendrimers. The grafting of the PAMAM dendrimers on GO has been investigated using TGA and Raman spectral studies and the stabilization of the Ag/Au NPs on the dendritic structures has been confirmed using XRD, UV-Vis and FT-IR spectra, SEM and TEM studies. The catalytic activity of the prepared nanocatalysts towards the degradation of organic azo dyes, namely methyl orange and congo red, has been tested. The prepared nanocatalysts were found to exhibit excellent catalytic activity towards the complete degradation of both methyl orange and congo red within only a few seconds.
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