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| Content Provider | Springer Nature Link |
|---|---|
| Author | Li, Yi Yang, Juan Zhou, Ya zhou Zhong, Tao Zheng, Si hui Zeng, Wei wei |
| Copyright Year | 2015 |
| Abstract | We have demonstrated a green and facile approach to prepare the gold nanoparticles-graphene oxide (Au NPs-GO) film using the electrostatic self-assembly method. Cubic Au NPs with positive charge were firstly synthesized by a seed-growth method. By alternating deposition of the negatively charged GO sheets and Au NPs on the quartz substrate, the Au NPs-GO film can be achieved. AFM images show that GO sheets fully covered the quartz substrate after twice deposition. Meanwhile, Au NPs scattered on the surface of film can be found. The Au NPs-GO film exhibits the desirable surface-enhanced Raman scattering (SERS) properties against Rhodamine 6G molecules, including the high enhancement factor of 5.1 × 105 and high detection limit of 10−10 M. Besides the strong electromagnetic effect of Au NPs, GO sheets play a key in improvement of SERS properties through the strong adsorption of molecules, favorable fluorescence quenching, and chemical enhancement effect. |
| Starting Page | 677 |
| Ending Page | 683 |
| Page Count | 7 |
| File Format | |
| ISSN | 00269247 |
| Journal | Monatshefte für Chemie - Chemical Monthly |
| Volume Number | 147 |
| Issue Number | 4 |
| e-ISSN | 14344475 |
| Language | English |
| Publisher | Springer Vienna |
| Publisher Date | 2015-11-03 |
| Publisher Place | Vienna |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Electrostatic self-assembly method Raman spectroscopy Molecules detection Fluorescence quenching Chemistry/Food Science Organic Chemistry Inorganic Chemistry Analytical Chemistry Physical Chemistry Theoretical and Computational Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Chemistry |
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