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Halide-assisted activation of atomic hydrogen for photoreduction on two-liquid interfacial plasmonic arrays
- Xu, Yue, Yu, Fanfan, Su, Mengke, Du, Shanshan, Liu, Honglin
- Chemical communications 2019 v.55 no.10 pp. 1422-1425
- catalysts, chemical communication, chemical reactions, hydrogen, reducing agents, silver
- Here, we show a two-liquid interfacial 3D plasmonic array for SERS examination on direct photoreduction of p-nitrothiophenol (4-NTP) to p-aminothiophenol (4-ATP) without the need for traditional catalysts and reductants, revealing the mechanism of halide-assisted activation of atomic hydrogen and the balance between the enhancing effect from etching of the Ag surface and the weakening effect from the reduction of the 4-NTP molecules, which provides insights into the light-to-energy conversion schemes on noble metal surfaces.