Materials Today Energy, volume 30, pages 101178

Metal-organic aerogels based on titanium(IV) for visible-light conducted CO2 photoreduction to alcohols

Adrián Angulo-Ibáñez 1
Maite Perfecto-Irigaray 2
I Merino Garcia 3
Naia Luengo 2
Amaia M Goitandia 1
Jonathan Albo 3
Estibaliz Aranzabe 1
Garikoitz Beobide 2, 4
Óscar Castillo 2, 4
Sonia Pérez-Yáñez 2, 4
1
 
Surface Chemistry & Nanotechnologies Unit, Fdn Tekniker, Iñaki Goenaga 5, Eibar 20600, Spain
3
 
Departamento de Ingenierías Química y Biomolecular, Universidad de Cantabria, Avda. Los Castros s/n, 39005 Santander, Spain
Publication typeJournal Article
Publication date2022-12-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor9.3
ISSN24686069, 24686069
Materials Science (miscellaneous)
Energy Engineering and Power Technology
Fuel Technology
Nuclear Energy and Engineering
Renewable Energy, Sustainability and the Environment
Abstract
Metal-organic frameworks (MOFs) imply an appealing source of photocatalysts, as they combine porosity with tailorable electronic properties and surface chemistry. Herein we report a series of unprecedented metal-organic aerogels (MOAs) comprised by Ti(IV) oxo-clusters and aromatic dicarboxylic linkers as an alternative to microporous MIL-125 and MIL-125-NH 2 MOFs. Discrete titanium oxo-clusters polymerized upon the addition of the dicarboxylic linkers to give rise to a metal-organic gel. Their supercritical drying led to aerogels comprised by nanoscopic particles ( ca . 5–10 nm) cross-linked into a meso/macroporous microstructure with surface area ranging from 453 to 617 m 2 ·g –1 , which are comparatively lower than the surface area of the microporous counterparts (1336 and 1145 m 2 ·g –1 , respectively). However, the meso/macroporous microstructure of MOAs can provide a more fluent diffusion of reagents and products than the intrinsic porosity of MOFs, whose narrower channels are expected to imply a more sluggish mass transport. In fact, the assessment of the continuous visible-light driven photocatalytic CO 2 reduction into methanol shows that MOAs (221–786 μmol·g –1 ·h –1 ) far exceed the performance of their microporous counterparts (49–65 μmol·g –1 ·h –1 ), but also surpass the production rates provided by up-to-date reported photocatalysts. • Novel metal-organic aerogels based on titanium(IV) are presented. • These materials photocatalyse CO2 conversion under visible-light illumination. • The methanol production rates surpass up-to-date reported photocatalysts.

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Angulo-Ibáñez A. et al. Metal-organic aerogels based on titanium(IV) for visible-light conducted CO2 photoreduction to alcohols // Materials Today Energy. 2022. Vol. 30. p. 101178.
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Angulo-Ibáñez A., Perfecto-Irigaray M., Merino Garcia I., Luengo N., Goitandia A. M., Albo J., Aranzabe E., Beobide G., Castillo Ó., Pérez-Yáñez S. Metal-organic aerogels based on titanium(IV) for visible-light conducted CO2 photoreduction to alcohols // Materials Today Energy. 2022. Vol. 30. p. 101178.
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RIS Copy
TY - JOUR
DO - 10.1016/j.mtener.2022.101178
UR - https://doi.org/10.1016/j.mtener.2022.101178
TI - Metal-organic aerogels based on titanium(IV) for visible-light conducted CO2 photoreduction to alcohols
T2 - Materials Today Energy
AU - Angulo-Ibáñez, Adrián
AU - Perfecto-Irigaray, Maite
AU - Merino Garcia, I
AU - Luengo, Naia
AU - Goitandia, Amaia M
AU - Albo, Jonathan
AU - Aranzabe, Estibaliz
AU - Beobide, Garikoitz
AU - Castillo, Óscar
AU - Pérez-Yáñez, Sonia
PY - 2022
DA - 2022/12/01 00:00:00
PB - Elsevier
SP - 101178
VL - 30
SN - 2468-6069
SN - 2468-6069
ER -
BibTex
Cite this
BibTex Copy
@article{2022_Angulo-Ibáñez,
author = {Adrián Angulo-Ibáñez and Maite Perfecto-Irigaray and I Merino Garcia and Naia Luengo and Amaia M Goitandia and Jonathan Albo and Estibaliz Aranzabe and Garikoitz Beobide and Óscar Castillo and Sonia Pérez-Yáñez},
title = {Metal-organic aerogels based on titanium(IV) for visible-light conducted CO2 photoreduction to alcohols},
journal = {Materials Today Energy},
year = {2022},
volume = {30},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.mtener.2022.101178},
pages = {101178},
doi = {10.1016/j.mtener.2022.101178}
}
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