Effect of doped zinc species on the photocatalytic activity of gallium oxide for hydrogen production

Literature Information

Publication Date 2011-12-20
DOI 10.1039/C2CP23220K
Impact Factor 3.676
Authors

Katsuya Shimura, Hisao Yoshida


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Abstract

Zn-doped Ga2O3 samples were prepared by a homogeneous precipitation (HP) method, and the local structures of Zn ions and their photocatalytic activities for hydrogen production were examined. In the sample with low doping amount, the Zn2+ ions substituted for the Ga3+ ions in the Ga2O3 photocatalyst and enhanced the photocatalytic activity, since they would improve the migration of the photoexcited electrons in the conduction band of the Ga2O3 photocatalyst. In the sample with high doping amount, the Zn ions formed a composite ZnGa2O4 phase in the bulk of the Ga2O3 photocatalyst to decrease the photocatalytic activity in the present reaction.

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Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
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Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

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