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SERS observation of the adsorption behavior of SO2 on silver powder surfaces at nearly real environmental conditions |
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| Affiliation: | 1. Swinburne University of Technology, Hawthorn, Victoria, Australia;2. Zhejiang Industry & Trade Vocational College, Wenzhou, Zhejiang, China;3. Jilin University, Changchun, Jilin, China;4. RMIT University, Melbourne, Victoria, Australia;5. Stony Brook University, Stony Brook, NY, United States |
| Abstract: | The influence of O2 and H2O on the adsorption behavior of SO2 on surfaces of silver powders was studied by surface enhanced Raman scattering (SERS) at room temperature. The presence of H2O (∼103 Pa) and of O2 (∼104-105 Pa) is necessary to observe SERS peaks of surface species such as SO2-3 and SO2-4. These peaks disappeared on evacuation. |
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