New insight into calcium tantalate nanocomposite photocatalysts for overall water splitting and reforming of alcohols and biomass derivatives | Zendy

Ping Wang | Zendy; Philipp Weide | Zendy; Martin Muhler | Zendy; Roland Marschall | Zendy; Michael Wark | Zendy

Open Access

New insight into calcium tantalate nanocomposite photocatalysts for overall water splitting and reforming of alcohols and biomass derivatives

Author(s) -

Ping Wang,

Philipp Weide,

Martin Muhler,

Roland Marschall,

Michael Wark

Publication year - 2015

Publication title -

apl materials

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.571

H-Index - 60

ISSN - 2166-532X

DOI - 10.1063/1.4928288

Subject(s) - materials science , nanocomposite , water splitting , tantalate , photocatalysis , chemical engineering , catalysis , non blocking i/o , orthorhombic crystal system , stoichiometry , phase (matter) , inorganic chemistry , nanotechnology , organic chemistry , crystal structure , ferroelectricity , chemistry , optoelectronics , dielectric , engineering

The photocatalytic properties of different calcium tantalate nanocomposite photocatalysts with optimized phase composition were studied without the addition of any co-catalysts in the photoreforming of different alcohols including the biomass conversion by-product glycerol, as well as after modification with double-layered NiOx (Ni/NiO) co-catalyst in overall water splitting (OWS). Nanocomposite photocatalyst consisting of cubic α-CaTa2O6/orthorhombic β-CaTa2O6 coexisting phases always possesses the highest photocatalytic performance. For overall water splitting, a loading of 0.5 wt. % NiOx exhibits the best activities with stable stoichiometric H2 and O2 evolution rates. © 2015 Author(s)close0

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