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The effect of the pore-wall structure of carbon nitride on photocatalytic CO2reduction under visible light

Open access
Maeda, Kazuhiko, Kuriki, Ryo, Zhang, Mingwen, Wang, Xinchen, Ishitani, Osamu·2014·J. Mater. Chem. A

Abstract

Carbon nitride (C3N4) polymers work as a vital component in a photocatalytic CO2 reduction assembly that operates under visible light when modified with a ruthenium complex, trans(Cl)-[Ru{4,4′-(CH2PO3H2)2-2,2′-bipyridine}(CO)2Cl2], (Ru) as a catalyst. Here we examined the effects of structural properties of carbon nitride on the photocatalytic performance for CO2 reduction into formic acid. Introduction of mesoporosity into the graphitic carbon nitride structure increased the specific surface area, leading to significant enhancement in activity. However, higher surface area (in other words, lower crystallinity) that originated from excessively introduced mesopores had a negative impact on activity, although it is a prerequisite to allow for adsorption of Ru on the carbon nitride surface. Thus, the activity was sensitive to specific surface area and crystallinity of carbon nitride, but is largely insensitive to the pore size and the volume.

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Metadata

Authors
Maeda, K., Kuriki, R., Zhang, M., Wang, X., & Ishitani, O.
Venue
J. Mater. Chem. A
Published
2014-07-21
Volume
2
Issue
36
Pages
15146-15151
ISSN
  • 2050-7488 (ISSN-L)
  • 2050-7496
OpenAlex
W2036104331
Cited by
212
References
0
FWCI
8.84
Type
journal article
Language
en
Open access
hybrid

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CoChat. (2026). Citation check: The effect of the pore-wall structure of carbon nitride on photocatalytic CO2reduction under visible light. https://app.cochat.ai/papers/10.1039/c4ta03128h
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Maeda, K., Kuriki, R., Zhang, M., Wang, X., & Ishitani, O. (2014). The effect of the pore-wall structure of carbon nitride on photocatalytic CO2reduction under visible light. J. Mater. Chem. A. https://doi.org/10.1039/c4ta03128h

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