Hydrogen adsorption properties of Ag decorated TiO2 nanomaterials

Saravanan Rajendran; Tuan K.A. Hoang; Rabah Boukherroub; D. E. Diaz-Droguett; F. Gracia; M. A. Gracia-Pinilla; A. Akbari-Fakhrabadi; Vinod Kumar Gupta

doi:10.1016/j.ijhydene.2017.12.080

Hydrogen adsorption properties of Ag decorated TiO₂ nanomaterials

Saravanan Rajendran, Tuan K.A. Hoang, Rabah Boukherroub, D. E. Diaz-Droguett, F. Gracia, M. A. Gracia-Pinilla, A. Akbari-Fakhrabadi, Vinod Kumar Gupta

Departamento de Ingeniería Mecánica

Producción científica: Contribución a una revista › Artículo › revisión exhaustiva

36 Citas (Scopus)

Resumen

In this work, we present the synthesis of Ag doped TiO₂ materials. The products are characterized by powder X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, nitrogen adsorption, and hydrogen adsorption. The Ag/TiO₂ materials exhibit 3.65 times higher in hydrogen adsorption capability compared with the non-doped TiO₂ materials thank to the existence of Ti³⁺ species, which are Kubas-type hydrogen adsorption centers, and the Ag nanoparticles which provide spillover effects. We believe that this is the first time that both Kubas-type adsorption and spillover are exploited in the design of novel hydrogen storage materials.

Idioma original	Inglés
Páginas (desde-hasta)	2861-2868
Número de páginas	8
Publicación	International Journal of Hydrogen Energy
Volumen	43
N.º	5
DOI	https://doi.org/10.1016/j.ijhydene.2017.12.080
Estado	Publicada - 1 feb. 2018

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title = "Hydrogen adsorption properties of Ag decorated TiO2 nanomaterials",

abstract = "In this work, we present the synthesis of Ag doped TiO2 materials. The products are characterized by powder X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, nitrogen adsorption, and hydrogen adsorption. The Ag/TiO2 materials exhibit 3.65 times higher in hydrogen adsorption capability compared with the non-doped TiO2 materials thank to the existence of Ti3+ species, which are Kubas-type hydrogen adsorption centers, and the Ag nanoparticles which provide spillover effects. We believe that this is the first time that both Kubas-type adsorption and spillover are exploited in the design of novel hydrogen storage materials.",

keywords = "Adsorption, Hydrogen, Kubas-type, Nanocomposite, Spillover",

author = "Saravanan Rajendran and Hoang, \{Tuan K.A.\} and Rabah Boukherroub and Diaz-Droguett, \{D. E.\} and F. Gracia and Gracia-Pinilla, \{M. A.\} and A. Akbari-Fakhrabadi and Gupta, \{Vinod Kumar\}",

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doi = "10.1016/j.ijhydene.2017.12.080",

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AU - Rajendran, Saravanan

AU - Hoang, Tuan K.A.

AU - Boukherroub, Rabah

AU - Diaz-Droguett, D. E.

AU - Gracia, F.

AU - Gracia-Pinilla, M. A.

AU - Akbari-Fakhrabadi, A.

AU - Gupta, Vinod Kumar

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AB - In this work, we present the synthesis of Ag doped TiO2 materials. The products are characterized by powder X-ray diffraction, transmission electron microscopy, X-ray photoelectron spectroscopy, nitrogen adsorption, and hydrogen adsorption. The Ag/TiO2 materials exhibit 3.65 times higher in hydrogen adsorption capability compared with the non-doped TiO2 materials thank to the existence of Ti3+ species, which are Kubas-type hydrogen adsorption centers, and the Ag nanoparticles which provide spillover effects. We believe that this is the first time that both Kubas-type adsorption and spillover are exploited in the design of novel hydrogen storage materials.

KW - Adsorption

KW - Hydrogen

KW - Kubas-type

KW - Nanocomposite

KW - Spillover

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