NDLI: Hierarchically mesostructured TiO<sub>2</sub>/graphitic carbon composite as a new efficient photocatalyst for the reduction of CO<sub>2</sub> under simulated solar irradiation

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Hierarchically mesostructured TiO₂/graphitic carbon composite as a new efficient photocatalyst for the reduction of CO₂ under simulated solar irradiation

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Additions and corrections published in 2013 ( Catalysis Science & Technology Vol - 3 Issue - 12 )

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Hierarchically mesostructured TiO₂/graphitic carbon composite as a new efficient photocatalyst for the reduction of CO₂ under simulated solar irradiation

Content Provider	Royal Society of Chemistry (RSC)
Author	Li, Bo Wang, Fei Chen, Yuting Yao, Ji Kang, Shifei Wang, Yangang Zuo, Yuanhui Li, Xi Cui, Lifeng
Copyright Year	2013
Abstract	A hierarchically mesostructured TiO2/graphitic carbon composite photocatalyst with a high content of nanocrystalline TiO2 was prepared using a simple one-step nanocasting route. X-ray diffraction, thermogravimetric analysis, nitrogen adsorption–desorption, transmission electron microscopy and X-ray photoelectron spectroscopy were used to characterize this photocatalyst. It was observed that the coexistence of silica and graphitic carbon during the high temperature treatment stabilized the crystalline phase and the size of the anatase TiO2 nanocrystals (5–7 nm in diameter), which were uniformly dispersed in the graphitic carbon matrix after silica removal. The obtained hierarchically mesostructured TiO2/graphitic carbon composite photocatalyst with a high specific surface area and a high surface concentration of hydroxyl groups exhibited considerably higher activity in the photocatalytic reduction of CO2 with H2O under simulated solar irradiation compared to mesostructured anatase TiO2 prepared using a sol–gel method.
Starting Page	3286
Ending Page	3291
Page Count	6
File Format	HTM / HTML PDF
ISSN	20444753
Volume Number	3
Issue Number	12
Journal	Catalysis Science & Technology
DOI	10.1039/c3cy00524k
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Water Thermogravimetric analysis Anatase Photocatalysis Specific surface area Photoemission spectroscopy Nitrogen Carbon Silicon dioxide Composite material Transmission electron microscopy X-ray photoelectron spectroscopy Hydroxyl radical
Content Type	Text
Resource Type	Article
Subject	Catalysis

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