Photocatalytic reforming of glucose over La doped alkali tantalate photocatalysts for H2 production

Fu, Xianliang; Wang, Xuxu; Leung, Dennis Y.C.; Xue, Weiwei; Ding, Zhengxin; Huang, Haibao; Fu, Xianzhi

doi:10.1016/j.catcom.2010.09.004

Cited by 58 publications

(48 citation statements)

References 19 publications

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“…Another very active photocatalyst is NaTaO 3 , with NiO as cocatalyst, which however keeps the limitation of absorption in the UV range only [51]. A recent review focused on various materials for photocatalytic applications, where some suggestions on photocatalyst properties are proposed [52].…”

Section: Materials and Mechanismsmentioning

confidence: 99%

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Hydrogen Production by Photoreforming of Renewable Substrates

Rossetti

2012

ISRN Chemical Engineering

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This paper focuses on the application of photocatalysis to hydrogen production from organic substrates. This process, usually called photoreforming, makes use of semiconductors to promote redox reactions, namely, the oxidation of organic molecules and the reduction of H + to H 2 . This may be an interesting and fully sustainable way to produce this interesting fuel, provided that materials efficiency becomes sufficient and solar light can be effectively harvested. After a first introduction to the key features of the photoreforming process, the attention will be directed to the needs for materials development correlated to the existing knowledge on reaction mechanisms. Examples are then given on the photoreforming of alcohols, the most studied topic, especially in the case of methanol and carbohydrates. Finally, some examples of more complex but more interesting substrates, such as waste solutions, are proposed.

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Section: Materials and Mechanismsmentioning

confidence: 99%

“…This inhibits the charge migration [212]. Furthermore, the former has wider bandgap energy and poor absorbance [51]. The Fermi level of NiO, used as cocatalyst for such systems is compatible with the energy level of the conduction band of NaTaO 3 , but not with that of KTaO 3 .…”

Section: Photoreforming Of Carbohydratesmentioning

confidence: 99%

Hydrogen Production by Photoreforming of Renewable Substrates

Rossetti

2012

ISRN Chemical Engineering

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“…[29] Non-precious co-catalysts were shown to be superior over Pt, with aM oS 2 /CdS composite [30] [32] and Fe 2 O 3 /Si (4.42 mmol H 2 g cat À1 h À1 ) [33] have shown promising activities for visible-light driven glucose PR. Other suitable materials include LaFeO 3 , [34] Bi x Y 1-x VO 4 , [35] CaTa 2 O 6 , [36] La:NaTaO 3 , [37] and SrTiO 3 .…”

Section: Sugarsmentioning

confidence: 99%

Solar Hydrogen Generation from Lignocellulose

2018

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Photocatalytic reforming of lignocellulosic biomass is an emerging approach to produce renewable H 2 . This process combines photo‐oxidation of aqueous biomass with photocatalytic hydrogen evolution at ambient temperature and pressure. Biomass conversion is less energy demanding than water splitting and generates high‐purity H 2 without O 2 production. Direct photoreforming of raw, unprocessed biomass has the potential to provide affordable and clean energy from locally sourced materials and waste.

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“…The previous studies suggested that the perovskite oxides can be modified by doping to form new photocatalysts, and the method is effective [50,51]. For example, well-known perovskite oxynitrides (LaTiO 2 N, LaNbON 2 and so on), they have high activity for the water splitting reaction under visible light irradiation [52][53][54].…”

Section: Effect Of Laminate Composition and Structurementioning

confidence: 99%

Structural characteristics and spectral response of composite transition metal oxide photocatalytic materials

Zhang

Liu

et al. 2016

J Mater Sci

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Layered composite materials formed by the transition metal oxides, including the niobates, titanates, titanoniobates, and tantalates, have been studied as a kind of new photocatalytic materials because of their unique structures and properties. Their photocatalytic performance could be modified by adjusting the laminate composition, selecting appropriate phase structure, exchanging interlayer cations or intercalated-pillaring, exfoliated-assembling, etc. The purpose of this present paper is to review the main factors affecting photocatalytic performance of the layered composite transition metal oxides and to provide reference for further construction of new photocatalytic materials.

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Photocatalytic reforming of glucose over La doped alkali tantalate photocatalysts for H2 production

Cited by 58 publications

References 19 publications

Hydrogen Production by Photoreforming of Renewable Substrates

Hydrogen Production by Photoreforming of Renewable Substrates

Solar Hydrogen Generation from Lignocellulose

Structural characteristics and spectral response of composite transition metal oxide photocatalytic materials

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