Cobalt-modified porous single-crystalline LaTiO 2N for highly efficient water oxidation under visible light

Fuxiang Zhang; Akira Yamakata; Kazuhiko Maeda; Yosuke Moriya; Tsuyoshi Takata; Jun Kubota; Katsuya Teshima; Shuji Oishi; Kazunari Domen

doi:10.1021/ja301726c

Cobalt-modified porous single-crystalline LaTiO ₂N for highly efficient water oxidation under visible light

Fuxiang Zhang, Akira Yamakata, Kazuhiko Maeda, Yosuke Moriya, Tsuyoshi Takata, Jun Kubota, Katsuya Teshima, Shuji Oishi, Kazunari Domen

Research output: Contribution to journal › Article › peer-review

337 Citations (Scopus)

Abstract

Highly efficient water oxidation utilizing visible photons of up to 600 nm is a crucial step in artifical photosynthesis. Here we present a highly active photocatalyst for visible-light-driven water oxidation, consisting of single-crystalline meso- and macroporous LaTiO ₂N (LTON) with a band gap of 2.1 eV, and earth-abundasnt cobalt oxide (CoO _x) as a cocatalyst. The optimized CoO _x/LTON had a high quantum efficiency of 27.1 ± 2.6% at 440 nm, which substantially exceeds the values reported for previous particulate photocatalysts with a 600-nm absorption edge.

Original language	English
Pages (from-to)	8348-8351
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	134
Issue number	20
DOIs	https://doi.org/10.1021/ja301726c
Publication status	Published - May 23 2012
Externally published	Yes

ASJC Scopus subject areas

Catalysis
Chemistry(all)
Biochemistry
Colloid and Surface Chemistry

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10.1021/ja301726c

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abstract = "Highly efficient water oxidation utilizing visible photons of up to 600 nm is a crucial step in artifical photosynthesis. Here we present a highly active photocatalyst for visible-light-driven water oxidation, consisting of single-crystalline meso- and macroporous LaTiO 2N (LTON) with a band gap of 2.1 eV, and earth-abundasnt cobalt oxide (CoO x) as a cocatalyst. The optimized CoO x/LTON had a high quantum efficiency of 27.1 ± 2.6% at 440 nm, which substantially exceeds the values reported for previous particulate photocatalysts with a 600-nm absorption edge.",

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T1 - Cobalt-modified porous single-crystalline LaTiO 2N for highly efficient water oxidation under visible light

AU - Zhang, Fuxiang

AU - Yamakata, Akira

AU - Maeda, Kazuhiko

AU - Moriya, Yosuke

AU - Takata, Tsuyoshi

AU - Kubota, Jun

AU - Teshima, Katsuya

AU - Oishi, Shuji

AU - Domen, Kazunari

PY - 2012/5/23

Y1 - 2012/5/23

N2 - Highly efficient water oxidation utilizing visible photons of up to 600 nm is a crucial step in artifical photosynthesis. Here we present a highly active photocatalyst for visible-light-driven water oxidation, consisting of single-crystalline meso- and macroporous LaTiO 2N (LTON) with a band gap of 2.1 eV, and earth-abundasnt cobalt oxide (CoO x) as a cocatalyst. The optimized CoO x/LTON had a high quantum efficiency of 27.1 ± 2.6% at 440 nm, which substantially exceeds the values reported for previous particulate photocatalysts with a 600-nm absorption edge.

AB - Highly efficient water oxidation utilizing visible photons of up to 600 nm is a crucial step in artifical photosynthesis. Here we present a highly active photocatalyst for visible-light-driven water oxidation, consisting of single-crystalline meso- and macroporous LaTiO 2N (LTON) with a band gap of 2.1 eV, and earth-abundasnt cobalt oxide (CoO x) as a cocatalyst. The optimized CoO x/LTON had a high quantum efficiency of 27.1 ± 2.6% at 440 nm, which substantially exceeds the values reported for previous particulate photocatalysts with a 600-nm absorption edge.

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Cobalt-modified porous single-crystalline LaTiO ₂N for highly efficient water oxidation under visible light

Abstract

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