Applied Catalysis B: Environmental, volume 203, pages 910-916

Carbon nitride nanodots decorated brookite TiO2 quasi nanocubes for enhanced activity and selectivity of visible-light-driven CO2 reduction

Publication typeJournal Article
Publication date2017-04-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor22.1
ISSN09263373, 18733883
Catalysis
Process Chemistry and Technology
General Environmental Science
Abstract
A new kind of brookite TiO 2 /g-C 3 N 4 nanocomposite, in which g-C 3 N 4 nanodots (CNDs) with a mean size of ∼2.8 nm are decorated on brookite TiO 2 quasi nanocube (BTN) surfaces (hereafter referred as BTN-CNDs heterojunction), is prepared via a facile calcination process of the mixture of urea and the home-made BTN powders, and then used as visible-light-responsive photocatalyst for CO 2 reduction. Electron microscopy, X-ray powder diffraction (XRD), ultraviolet-visible light (UV-vis) diffuse reflectance absorption spectra (DRS), X-ray photoelectron spectra (XPS) and its valance band (VB) spectra are adopted to investigate the microstructure, composition, energy band structure, and the possible photogenerated electron transfer processes between BTN and CNDs. After optimizing the photocatalytic condition, enhanced visible-light-driven CO 2 -reduction activity and selectivity for CH 4 generation as compared to g-C 3 N 4 and BTN alone are observed, and a photosensitization mechanism is proposed to explain the differences in the photocatalytic performance among g-C 3 N 4 , BTN, and BTN-CNDs. The pronounced CH 4 generation activity and selectivity over BTN-CNDs heterojunction demonstrate a new strategy for improving the interfacial charge transfer and the photocatalytic CO 2 reduction performance though tailoring the microstructures of the semiconductor-based nanocomposites.

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Li K. et al. Carbon nitride nanodots decorated brookite TiO2 quasi nanocubes for enhanced activity and selectivity of visible-light-driven CO2 reduction // Applied Catalysis B: Environmental. 2017. Vol. 203. pp. 910-916.
GOST all authors (up to 50) Copy
Li K., Peng B., Jin J., Zan L., Li R. Carbon nitride nanodots decorated brookite TiO2 quasi nanocubes for enhanced activity and selectivity of visible-light-driven CO2 reduction // Applied Catalysis B: Environmental. 2017. Vol. 203. pp. 910-916.
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RIS Copy
TY - JOUR
DO - 10.1016/j.apcatb.2016.11.001
UR - https://doi.org/10.1016/j.apcatb.2016.11.001
TI - Carbon nitride nanodots decorated brookite TiO2 quasi nanocubes for enhanced activity and selectivity of visible-light-driven CO2 reduction
T2 - Applied Catalysis B: Environmental
AU - Li, Kan
AU - Peng, Bosi
AU - Jin, Jingpeng
AU - Zan, Ling
AU - Li, Ren-Jie
PY - 2017
DA - 2017/04/01 00:00:00
PB - Elsevier
SP - 910-916
VL - 203
SN - 0926-3373
SN - 1873-3883
ER -
BibTex
Cite this
BibTex Copy
@article{2017_Li,
author = {Kan Li and Bosi Peng and Jingpeng Jin and Ling Zan and Ren-Jie Li},
title = {Carbon nitride nanodots decorated brookite TiO2 quasi nanocubes for enhanced activity and selectivity of visible-light-driven CO2 reduction},
journal = {Applied Catalysis B: Environmental},
year = {2017},
volume = {203},
publisher = {Elsevier},
month = {apr},
url = {https://doi.org/10.1016/j.apcatb.2016.11.001},
pages = {910--916},
doi = {10.1016/j.apcatb.2016.11.001}
}
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