Preparation of a colloidal array of NaTaO3nanoparticlesvia a confined space synthesis route and its photocatalytic application

Literature Information

Publication Date 2011-01-11
DOI 10.1039/C0CP02141E
Impact Factor 3.676
Authors

Toshiyuki Yokoi, Junya Sakuma, Kazuhiko Maeda, Kazunari Domen, Takashi Tatsumi, Junko N. Kondo


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Abstract

The confined space synthesis method has been applied to the preparation of sodium tantalate (NaTaO3); hydrothermal reaction of NaOH and Ta2O5 was carried out in the pores of a three-dimensional mesoporous carbon, which was replicated by the colloidal array of silica nanospheres (SNSs) 20 nm in size. This approach led to the formation of a colloidal array of NaTaO3 nanoparticles 20 nm in size with a surface area of 34 m2 g−1. The photocatalytic performance of the colloidal array of NaTaO3 nanoparticles for overall water splitting under UV irradiation (λ > 200 nm) was evaluated after loading a NiO cocatalyst onto NaTaO3 samples. The NiO-loaded NaTaO3 nanoparticles showed photocatalytic activity for overall water splitting more than three times as high as non-structured bulk NaTaO3 particles.

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Source Journal

Physical Chemistry Chemical Physics

Physical Chemistry Chemical Physics
CiteScore: 5.5
Self-citation Rate: 10.3%
Articles per Year: 3036

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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