Topics in Catalysis, volume 59, issue 8-9, pages 787-791

Temperature Dependence of Solar Light Assisted CO2 Reduction on Ni Based Photocatalyst

Publication typeJournal Article
Publication date2016-04-11
Quartile SCImago
Q2
Quartile WOS
Q2
Impact factor3.6
ISSN10225528, 15729028
General Chemistry
Catalysis
Abstract
Methanation of CO2 by H2 can be in the future an important reaction to store the surplus of renewable electricity during production peaks. The catalytic thermal CO2 methanation (the Sabatier reaction) can be carried out at temperatures above 250 °C using Ni supported on silica-alumina (Ni/SiO2–Al2O3). Recently it has been observed that this exothermic reaction can be promoted by solar light irradiation of Ni/SiO2–Al2O3 at initial near ambient temperatures. In the present work we provide a study of the influence of the initial temperature on the photoassisted Ni/SiO2–Al2O3 methanation of CO2, under conditions in which the dark reaction is not observed. An increase of the photoassisted methanation rate with the initial temperature in the range from ambient to 150 °C has been observed. The reaction kinetics for lower initial temperatures exhibited an induction period not observed for reactions performed at higher temperatures. The results are discussed in terms of the operation of plasmon photo activation in which the energy of photons is thermalised in a confined space of the active nanoparticles leading to locally high temperatures and the simultaneous photogeneration of electrons and positive holes.

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Albero J., García H., Corma A. Temperature Dependence of Solar Light Assisted CO2 Reduction on Ni Based Photocatalyst // Topics in Catalysis. 2016. Vol. 59. No. 8-9. pp. 787-791.
GOST all authors (up to 50) Copy
Albero J., García H., Corma A. Temperature Dependence of Solar Light Assisted CO2 Reduction on Ni Based Photocatalyst // Topics in Catalysis. 2016. Vol. 59. No. 8-9. pp. 787-791.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1007/s11244-016-0550-x
UR - https://doi.org/10.1007/s11244-016-0550-x
TI - Temperature Dependence of Solar Light Assisted CO2 Reduction on Ni Based Photocatalyst
T2 - Topics in Catalysis
AU - Albero, Josep
AU - García, Hermenegildo
AU - Corma, Avelino
PY - 2016
DA - 2016/04/11 00:00:00
PB - Springer Nature
SP - 787-791
IS - 8-9
VL - 59
SN - 1022-5528
SN - 1572-9028
ER -
BibTex |
Cite this
BibTex Copy
@article{2016_Albero,
author = {Josep Albero and Hermenegildo García and Avelino Corma},
title = {Temperature Dependence of Solar Light Assisted CO2 Reduction on Ni Based Photocatalyst},
journal = {Topics in Catalysis},
year = {2016},
volume = {59},
publisher = {Springer Nature},
month = {apr},
url = {https://doi.org/10.1007/s11244-016-0550-x},
number = {8-9},
pages = {787--791},
doi = {10.1007/s11244-016-0550-x}
}
MLA
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MLA Copy
Albero, Josep, et al. “Temperature Dependence of Solar Light Assisted CO2 Reduction on Ni Based Photocatalyst.” Topics in Catalysis, vol. 59, no. 8-9, Apr. 2016, pp. 787-791. https://doi.org/10.1007/s11244-016-0550-x.
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