Photoelectrochemical Behavior of Silver Nanoparticles inside Mesoporous Titania : Plasmon-Induced Charge Separation Effect

The self-assembly block copolymer method was used to synthesize mesoporous titania films and silver nanoparticles (NPs) were grown inside the films. Such silver NPs-titania films are known for their multicolor photochromic properties due to a photo-oxidation reaction of silver in the presence of tit...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 35(2019), 7 vom: 19. Feb., Seite 2517-2526
1. Verfasser: Couzon, Nelly (VerfasserIn)
Weitere Verfasser: Maillard, Mathieu, Chassagneux, Fernand, Brioude, Arnaud, Bois, Laurence
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2019
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The self-assembly block copolymer method was used to synthesize mesoporous titania films and silver nanoparticles (NPs) were grown inside the films. Such silver NPs-titania films are known for their multicolor photochromic properties due to a photo-oxidation reaction of silver in the presence of titania under light excitation which is attributed to a plasmon induced charge separation. Here, the photoelectrochemical properties of these composite films have been investigated at different light wavelengths and chemical environment in order to characterize the light-induced redox reactivity modifications. Cyclic voltammetry study shows that the Ag+ electro-reduction peak potential varies depending on the light irradiation, which determines the state of the silver nanoparticles complexed or not by titania 
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700 1 |a Maillard, Mathieu  |e verfasserin  |4 aut 
700 1 |a Chassagneux, Fernand  |e verfasserin  |4 aut 
700 1 |a Brioude, Arnaud  |e verfasserin  |4 aut 
700 1 |a Bois, Laurence  |e verfasserin  |4 aut 
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