The Fault in Their Shapes : Investigating the Surface-Plasmon-Resonance-Mediated Catalytic Activities of Silver Quasi-Spheres, Cubes, Triangular Prisms, and Wires

The surface-plasmon-resonance (SPR)-mediated catalytic activities of Ag and Au nanoparticles have emerged a relatively new frontier in catalysis in which visible light can be employed as an eco-friendly energy input to drive chemical reactions. Although this phenomenon has been reported for a variet...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 31(2015), 37 vom: 22. Sept., Seite 10272-8
1. Verfasser: da Silva, Anderson G M (VerfasserIn)
Weitere Verfasser: Rodrigues, Thenner S, Wang, Jiale, Yamada, Liliam K, Alves, Tiago V, Ornellas, Fernando R, Ando, Rômulo A, Camargo, Pedro H C
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2015
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 4 |a The Fault in Their Shapes  |b Investigating the Surface-Plasmon-Resonance-Mediated Catalytic Activities of Silver Quasi-Spheres, Cubes, Triangular Prisms, and Wires 
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520 |a The surface-plasmon-resonance (SPR)-mediated catalytic activities of Ag and Au nanoparticles have emerged a relatively new frontier in catalysis in which visible light can be employed as an eco-friendly energy input to drive chemical reactions. Although this phenomenon has been reported for a variety of transformations, the effect of the nanoparticle shape and crystalline structure on the activities remains unclear. In this paper, we investigated the SPR-mediated catalytic activity of Ag quasi-spheres, cubes, triangular prisms, and wires toward the oxidation of p-aminothiophenol to p,p'-dimercaptoazobenzene by activated O2. The activities at 632.8 nm excitation followed the order triangular prisms and quasi-spheres > wires ≫ cubes. These results indicated that the shape, optical properties, and crystal structure played an important role in the detected SPR-mediated activities 
650 4 |a Journal Article 
700 1 |a Rodrigues, Thenner S  |e verfasserin  |4 aut 
700 1 |a Wang, Jiale  |e verfasserin  |4 aut 
700 1 |a Yamada, Liliam K  |e verfasserin  |4 aut 
700 1 |a Alves, Tiago V  |e verfasserin  |4 aut 
700 1 |a Ornellas, Fernando R  |e verfasserin  |4 aut 
700 1 |a Ando, Rômulo A  |e verfasserin  |4 aut 
700 1 |a Camargo, Pedro H C  |e verfasserin  |4 aut 
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