Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes

An interconnected Au nanoparticle arrangement is obtained by electrodeposition from Au(III) soluble complexes within the pore system of block-copolymer templated mesoporous titania films. The resulting Au@TiO 2 nanocomposites (5 nm Au particles, 5.5 nm amorphous titania walls) have the electrochemic...

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Detalles Bibliográficos
Autores principales:	Pérez, M.D., Otal, E., Bilmes, S.A., Soler-Illia, G.J.A.A., Crepaldi, E.L., Grosso, D., Sanchez, C.
Formato:	JOUR
Materias:	Block copolymers Catalysis Composite materials Electrodeposition Insulation Mesoporous materials Nanostructured materials pH effects Pore size Titanium oxides Lyotropic-like phases Nanoparticles arrays Polymeric arrays Pore volume (PV) Gold Anodes Electroplating Pore Size Titanium Compounds
Acceso en línea:	http://hdl.handle.net/20.500.12110/paper_07437463_v20_n16_p6879_Perez
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	todo:paper_07437463_v20_n16_p6879_Perez
record_format	dspace
spelling	todo:paper_07437463_v20_n16_p6879_Perez2023-10-03T15:38:36Z Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes Pérez, M.D. Otal, E. Bilmes, S.A. Soler-Illia, G.J.A.A. Crepaldi, E.L. Grosso, D. Sanchez, C. Block copolymers Catalysis Composite materials Electrodeposition Insulation Mesoporous materials Nanostructured materials pH effects Pore size Titanium oxides Lyotropic-like phases Nanoparticles arrays Polymeric arrays Pore volume (PV) Gold Anodes Electroplating Gold Insulation Pore Size Titanium Compounds An interconnected Au nanoparticle arrangement is obtained by electrodeposition from Au(III) soluble complexes within the pore system of block-copolymer templated mesoporous titania films. The resulting Au@TiO 2 nanocomposites (5 nm Au particles, 5.5 nm amorphous titania walls) have the electrochemical behavior of a gold electrode of high surface area. The attenuation of Au surface plasmon due to -OH electroadsorption and the existence of mixed localized states in these Au@TiO 2 nanocomposites are observed by in situ spectroelectrochemistry. Fil:Otal, E. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Bilmes, S.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Soler-Illia, G.J.A.A. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_07437463_v20_n16_p6879_Perez
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Block copolymers Catalysis Composite materials Electrodeposition Insulation Mesoporous materials Nanostructured materials pH effects Pore size Titanium oxides Lyotropic-like phases Nanoparticles arrays Polymeric arrays Pore volume (PV) Gold Anodes Electroplating Gold Insulation Pore Size Titanium Compounds
spellingShingle	Block copolymers Catalysis Composite materials Electrodeposition Insulation Mesoporous materials Nanostructured materials pH effects Pore size Titanium oxides Lyotropic-like phases Nanoparticles arrays Polymeric arrays Pore volume (PV) Gold Anodes Electroplating Gold Insulation Pore Size Titanium Compounds Pérez, M.D. Otal, E. Bilmes, S.A. Soler-Illia, G.J.A.A. Crepaldi, E.L. Grosso, D. Sanchez, C. Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes
topic_facet	Block copolymers Catalysis Composite materials Electrodeposition Insulation Mesoporous materials Nanostructured materials pH effects Pore size Titanium oxides Lyotropic-like phases Nanoparticles arrays Polymeric arrays Pore volume (PV) Gold Anodes Electroplating Gold Insulation Pore Size Titanium Compounds
description	An interconnected Au nanoparticle arrangement is obtained by electrodeposition from Au(III) soluble complexes within the pore system of block-copolymer templated mesoporous titania films. The resulting Au@TiO 2 nanocomposites (5 nm Au particles, 5.5 nm amorphous titania walls) have the electrochemical behavior of a gold electrode of high surface area. The attenuation of Au surface plasmon due to -OH electroadsorption and the existence of mixed localized states in these Au@TiO 2 nanocomposites are observed by in situ spectroelectrochemistry.
format	JOUR
author	Pérez, M.D. Otal, E. Bilmes, S.A. Soler-Illia, G.J.A.A. Crepaldi, E.L. Grosso, D. Sanchez, C.
author_facet	Pérez, M.D. Otal, E. Bilmes, S.A. Soler-Illia, G.J.A.A. Crepaldi, E.L. Grosso, D. Sanchez, C.
author_sort	Pérez, M.D.
title	Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes
title_short	Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes
title_full	Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes
title_fullStr	Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes
title_full_unstemmed	Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes
title_sort	growth of gold nanoparticle arrays in tio 2 mesoporous matrixes
url	http://hdl.handle.net/20.500.12110/paper_07437463_v20_n16_p6879_Perez
work_keys_str_mv	AT perezmd growthofgoldnanoparticlearraysintio2mesoporousmatrixes AT otale growthofgoldnanoparticlearraysintio2mesoporousmatrixes AT bilmessa growthofgoldnanoparticlearraysintio2mesoporousmatrixes AT solerilliagjaa growthofgoldnanoparticlearraysintio2mesoporousmatrixes AT crepaldiel growthofgoldnanoparticlearraysintio2mesoporousmatrixes AT grossod growthofgoldnanoparticlearraysintio2mesoporousmatrixes AT sanchezc growthofgoldnanoparticlearraysintio2mesoporousmatrixes
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Growth of gold nanoparticle arrays in TiO 2 mesoporous matrixes

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