Pt nanoparticles on titania nanotubes prepared by vapor-phase impregnation–decomposition method

Gómez, Consuelo; Vargas-Garcı́a, J.R.; Toledo-Antonio, J.A.; Cortés-Jácome, M.A.; Chavez, C. Angeles

doi:10.1016/j.jallcom.2009.10.232

Cited by 17 publications

(11 citation statements)

References 27 publications

(27 reference statements)

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Additionally, the efficiency of photocatalytic degradation is limited by the high recombination rate of the photogenerated electron-hole pairs. Quite a few different methods have been developed to increase the photocatalytic efficiency of TiO 2 , such as doping TiO 2 with transition metal cations [6,7] or nonmetal anions [8][9][10] to enhance the visible light absorbance, and modifying TiO 2 with noble metals [11,12] or semiconductors [13,14] to improve the separation and transport of photocarriers during photocatalysis.…”

Section: Introductionmentioning

confidence: 99%

Enhanced photoelectrocatalytic degradation of 2,4-dichlorophenoxyacetic acid by CuInS2 nanoparticles deposition onto TiO2 nanotube arrays

Liu

et al. 2011

Journal of Alloys and Compounds

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Enhanced photoelectrocatalytic degradation of 2,4-dichlorophenoxyacetic acid by CuInS2 nanoparticles deposition onto TiO2 nanotube arrays

Liu

et al. 2011

Journal of Alloys and Compounds

View full text Add to dashboard Cite

“…Large metal particles are often obtained and the number of electron traps is limited, which is not beneficial for the photocatalytic reaction. That is why the impregnation method is seldom adopted to prepare the noble metal doped photocatalyst . In the case of Ag/SmVO 4 photocatalyst, the obtained Ag particle is large (about 20 nm from the TEM image).…”

Section: Resultsmentioning

confidence: 99%

“…Noble metal nanoparticles have been widely used as surface modifiers for the VLD photocatalysts. They enhance charge separation by acting as “electron sinks,” thereby promote the photocatalytic efficiency . However, the addition of noble metal greatly increases the cost of photocatalyst, which limits its practical application in a larger scale.…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Ag‐Loaded SmVO₄ for Photocatalysis Application

Cai

et al. 2012

Photochem & Photobiology

View full text Add to dashboard Cite

Ag/SmVO4 composite photocatalysts were synthesized and characterized by BET, XRD, Raman, SEM, TEM, XPS and DRS techniques. Their photocatalytic activities were determined by oxidative decomposition of RhB in aqueous solution under visible light irradiation. The charge separation efficiency was evaluated by the photocurrent-time and ֹOH-trapping experiments. The results revealed that the loaded Ag species greatly improved the efficiency in charge separation, and thus led to enhanced photocatalytic activities compared with that of the pure SmVO4. The sample contained 0.5 wt% Ag and heated at 500°C presents the highest photoactivity.

show abstract

“…Additionally, the vapour phase thermal decomposition method has been investigated with the objective to achieve homogenous metallic particle size on the surface of different substrates and catalytic supports with several applications . Therefore, the present work proposes to investigate the catalytic properties of Pd catalysts supported on the Mg/Al mixed oxides.…”

Section: Introductionmentioning

confidence: 99%

Selective hydrogenation of cinnamaldehyde using Pd catalysts supported on Mg/Al mixed oxides: Influence of the Pd incorporation method

et al. 2017

View full text Add to dashboard Cite

A series of hydrotalcite-like compounds was synthesized by varying Mg/Al molar ratio with values of 2, 3, and 4. After thermal treatment at 823 K, the corresponding mixed oxides were obtained and used as catalytic supports. The incorporation of a Pd metallic phase (0.5 g/g loading), was carried out by two methods: 1) in situ vapour phase thermal decomposition, and 2) impregnation by organic method. Fresh and calcined samples were characterized by XRD and N 2 sorption experiments. The basic and metal functions were analyzed by CO 2 -TPD and H 2 -TPR. The Pd-support interaction was studied by FTIR spectroscopy using CO as a probe molecule while the morphology of Pd nanoparticles on the catalysts was studied by SEM, HRTEM, and theoretical simulation using the Fast Fourier Transform (FFT) method. Finally, the catalytic activity results showed a higher conversion towards hydrocinnamaldehyde in the cinnamaldehyde hydrogenation reaction for the catalysts prepared by vapour phase thermal decomposition, compared with those prepared by organic method, showing the significant dependence on the catalytic activity and the Pd incorporation method.

show abstract

Pt nanoparticles on titania nanotubes prepared by vapor-phase impregnation–decomposition method

Cited by 17 publications

References 27 publications

Enhanced photoelectrocatalytic degradation of 2,4-dichlorophenoxyacetic acid by CuInS2 nanoparticles deposition onto TiO2 nanotube arrays

Enhanced photoelectrocatalytic degradation of 2,4-dichlorophenoxyacetic acid by CuInS2 nanoparticles deposition onto TiO2 nanotube arrays

Preparation and Characterization of Ag‐Loaded SmVO₄ for Photocatalysis Application

Selective hydrogenation of cinnamaldehyde using Pd catalysts supported on Mg/Al mixed oxides: Influence of the Pd incorporation method

Contact Info

Product

Resources

About

Pt nanoparticles on titania nanotubes prepared by vapor-phase impregnation–decomposition method

Cited by 17 publications

References 27 publications

Enhanced photoelectrocatalytic degradation of 2,4-dichlorophenoxyacetic acid by CuInS2 nanoparticles deposition onto TiO2 nanotube arrays

Enhanced photoelectrocatalytic degradation of 2,4-dichlorophenoxyacetic acid by CuInS2 nanoparticles deposition onto TiO2 nanotube arrays

Preparation and Characterization of Ag‐Loaded SmVO4 for Photocatalysis Application

Selective hydrogenation of cinnamaldehyde using Pd catalysts supported on Mg/Al mixed oxides: Influence of the Pd incorporation method

Contact Info

Product

Resources

About

Preparation and Characterization of Ag‐Loaded SmVO₄ for Photocatalysis Application