No Cover Image

Journal article 80 views 3 downloads

Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite

Majed Bahadorian, Farzaneh Arabpour Roghabadi Orcid Logo, Vahid Ahmadi, Afsanehsadat Larimi Orcid Logo

Cleaner Engineering and Technology, Volume: 31, Start page: 101147

Swansea University Author: Afsanehsadat Larimi Orcid Logo

  • 71930.VoR.pdf

    PDF | Version of Record

    © 2026 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.

    Download (7.26MB)

Check full text

DOI (Published version): 10.1016/j.clet.2026.101147

Abstract

Considering the rising emission of the carbon dioxide (CO2) and its detrimental effects on the environment, conversion of CO2 into value-added products has emerged as a critical area of research. In particular, the photocatalytic reduction of CO2 into fuels using solar energy has recently attracted...

Full description

Published in: Cleaner Engineering and Technology
ISSN: 2666-7908
Published: Elsevier BV 2026
Online Access: Check full text

URI: https://cronfa.swan.ac.uk/Record/cronfa71930
first_indexed 2026-05-18T09:53:48Z
last_indexed 2026-06-12T13:21:15Z
id cronfa71930
recordtype SURis
fullrecord <?xml version="1.0"?><rfc1807><datestamp>2026-06-11T16:02:34.0005782</datestamp><bib-version>v2</bib-version><id>71930</id><entry>2026-05-18</entry><title>Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite</title><swanseaauthors><author><sid>db028d01b9d62d39518f147f6bb08fa5</sid><ORCID>0000-0001-5566-171X</ORCID><firstname>Afsanehsadat</firstname><surname>Larimi</surname><name>Afsanehsadat Larimi</name><active>true</active><ethesisStudent>false</ethesisStudent></author></swanseaauthors><date>2026-05-18</date><deptcode>EAAS</deptcode><abstract>Considering the rising emission of the carbon dioxide (CO2) and its detrimental effects on the environment, conversion of CO2 into value-added products has emerged as a critical area of research. In particular, the photocatalytic reduction of CO2 into fuels using solar energy has recently attracted significant attention. In this study, a nanocomposite of co-doped titanium dioxide (TiO2) nanoparticles with polydimethylsiloxane (PDMS) is utilized for photocatalytic reduction of CO2. Photo, chemical, and thermal-stable PDMS serves as a transparent flexible binder for photocatalyst nanoparticles, facilitating their usage and recycling. To make TiO2 photocatalysts visible-active, reduce the charge recombination rate, and improve the charge transport and lifetime, they are co-doped using nonmetal nitrogen (N) and metal silver (Ag) with different concentrations. Following the optical, morphological, and structural analysis of the photocatalysts, their photocatalytic performance is evaluated in a fixed gas bed photoreactor. The TiO2 photocatalyst shows the lowest yield for methane (3.2 &#x3BC;mol/g catalyst) and ethane (0.42 &#x3BC;mol/g catalyst). While, the yield for methane and ethane using Ag-N-TiO2 photocatalyst reaches 34.42 and 1.01 &#x3BC;mol/g catalyst, respectively. Remarkably, when the PDMS-Ag-N-TiO2 nanocomposite is employed, the highest methane and ethane yield of 122.21 and 10.22 &#x3BC;mol/g catalyst are achieved, respectively. Thus, in the presence of PDMS polymer, instantaneous quadrupolar interactions occur between its siloxane groups and carbon dioxide molecules. This promotes the adsorption of greater amounts of CO2, making it more available for the photocatalytic reduction reaction and thereby enhancing hydrocarbon production.</abstract><type>Journal Article</type><journal>Cleaner Engineering and Technology</journal><volume>31</volume><journalNumber/><paginationStart>101147</paginationStart><paginationEnd/><publisher>Elsevier BV</publisher><placeOfPublication/><isbnPrint/><isbnElectronic/><issnPrint>2666-7908</issnPrint><issnElectronic/><keywords>Polydimethylsiloxane; Co-doping; Titanium dioxide; Photocatalytic reduction; Carbon dioxide</keywords><publishedDay>1</publishedDay><publishedMonth>4</publishedMonth><publishedYear>2026</publishedYear><publishedDate>2026-04-01</publishedDate><doi>10.1016/j.clet.2026.101147</doi><url/><notes/><college>COLLEGE NANME</college><department>Engineering and Applied Sciences School</department><CollegeCode>COLLEGE CODE</CollegeCode><DepartmentCode>EAAS</DepartmentCode><institution>Swansea University</institution><apcterm>Other</apcterm><funders/><projectreference/><lastEdited>2026-06-11T16:02:34.0005782</lastEdited><Created>2026-05-18T10:35:49.1182075</Created><path><level id="1">Faculty of Science and Engineering</level><level id="2">School of Engineering and Applied Sciences - Chemical Engineering</level></path><authors><author><firstname>Majed</firstname><surname>Bahadorian</surname><order>1</order></author><author><firstname>Farzaneh Arabpour</firstname><surname>Roghabadi</surname><orcid>0000-0003-2856-680x</orcid><order>2</order></author><author><firstname>Vahid</firstname><surname>Ahmadi</surname><order>3</order></author><author><firstname>Afsanehsadat</firstname><surname>Larimi</surname><orcid>0000-0001-5566-171X</orcid><order>4</order></author></authors><documents><document><filename>71930__36948__40a223742b9c402f8a0314dda7781959.pdf</filename><originalFilename>71930.VoR.pdf</originalFilename><uploaded>2026-06-11T16:00:51.8576579</uploaded><type>Output</type><contentLength>7610691</contentLength><contentType>application/pdf</contentType><version>Version of Record</version><cronfaStatus>true</cronfaStatus><documentNotes>&#xA9; 2026 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license.</documentNotes><copyrightCorrect>true</copyrightCorrect><language>eng</language><licence>http://creativecommons.org/licenses/by-nc-nd/4.0/</licence></document></documents><OutputDurs/></rfc1807>
spelling 2026-06-11T16:02:34.0005782 v2 71930 2026-05-18 Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite db028d01b9d62d39518f147f6bb08fa5 0000-0001-5566-171X Afsanehsadat Larimi Afsanehsadat Larimi true false 2026-05-18 EAAS Considering the rising emission of the carbon dioxide (CO2) and its detrimental effects on the environment, conversion of CO2 into value-added products has emerged as a critical area of research. In particular, the photocatalytic reduction of CO2 into fuels using solar energy has recently attracted significant attention. In this study, a nanocomposite of co-doped titanium dioxide (TiO2) nanoparticles with polydimethylsiloxane (PDMS) is utilized for photocatalytic reduction of CO2. Photo, chemical, and thermal-stable PDMS serves as a transparent flexible binder for photocatalyst nanoparticles, facilitating their usage and recycling. To make TiO2 photocatalysts visible-active, reduce the charge recombination rate, and improve the charge transport and lifetime, they are co-doped using nonmetal nitrogen (N) and metal silver (Ag) with different concentrations. Following the optical, morphological, and structural analysis of the photocatalysts, their photocatalytic performance is evaluated in a fixed gas bed photoreactor. The TiO2 photocatalyst shows the lowest yield for methane (3.2 μmol/g catalyst) and ethane (0.42 μmol/g catalyst). While, the yield for methane and ethane using Ag-N-TiO2 photocatalyst reaches 34.42 and 1.01 μmol/g catalyst, respectively. Remarkably, when the PDMS-Ag-N-TiO2 nanocomposite is employed, the highest methane and ethane yield of 122.21 and 10.22 μmol/g catalyst are achieved, respectively. Thus, in the presence of PDMS polymer, instantaneous quadrupolar interactions occur between its siloxane groups and carbon dioxide molecules. This promotes the adsorption of greater amounts of CO2, making it more available for the photocatalytic reduction reaction and thereby enhancing hydrocarbon production. Journal Article Cleaner Engineering and Technology 31 101147 Elsevier BV 2666-7908 Polydimethylsiloxane; Co-doping; Titanium dioxide; Photocatalytic reduction; Carbon dioxide 1 4 2026 2026-04-01 10.1016/j.clet.2026.101147 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Other 2026-06-11T16:02:34.0005782 2026-05-18T10:35:49.1182075 Faculty of Science and Engineering School of Engineering and Applied Sciences - Chemical Engineering Majed Bahadorian 1 Farzaneh Arabpour Roghabadi 0000-0003-2856-680x 2 Vahid Ahmadi 3 Afsanehsadat Larimi 0000-0001-5566-171X 4 71930__36948__40a223742b9c402f8a0314dda7781959.pdf 71930.VoR.pdf 2026-06-11T16:00:51.8576579 Output 7610691 application/pdf Version of Record true © 2026 Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license. true eng http://creativecommons.org/licenses/by-nc-nd/4.0/
title Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
spellingShingle Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
Afsanehsadat Larimi
title_short Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
title_full Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
title_fullStr Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
title_full_unstemmed Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
title_sort Highly efficient photocatalytic conversion of CO2 to hydrocarbons using visible-active co-doped TiO2/ PDMS nanocomposite
author_id_str_mv db028d01b9d62d39518f147f6bb08fa5
author_id_fullname_str_mv db028d01b9d62d39518f147f6bb08fa5_***_Afsanehsadat Larimi
author Afsanehsadat Larimi
author2 Majed Bahadorian
Farzaneh Arabpour Roghabadi
Vahid Ahmadi
Afsanehsadat Larimi
format Journal article
container_title Cleaner Engineering and Technology
container_volume 31
container_start_page 101147
publishDate 2026
institution Swansea University
issn 2666-7908
doi_str_mv 10.1016/j.clet.2026.101147
publisher Elsevier BV
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Engineering and Applied Sciences - Chemical Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Chemical Engineering
document_store_str 1
active_str 0
description Considering the rising emission of the carbon dioxide (CO2) and its detrimental effects on the environment, conversion of CO2 into value-added products has emerged as a critical area of research. In particular, the photocatalytic reduction of CO2 into fuels using solar energy has recently attracted significant attention. In this study, a nanocomposite of co-doped titanium dioxide (TiO2) nanoparticles with polydimethylsiloxane (PDMS) is utilized for photocatalytic reduction of CO2. Photo, chemical, and thermal-stable PDMS serves as a transparent flexible binder for photocatalyst nanoparticles, facilitating their usage and recycling. To make TiO2 photocatalysts visible-active, reduce the charge recombination rate, and improve the charge transport and lifetime, they are co-doped using nonmetal nitrogen (N) and metal silver (Ag) with different concentrations. Following the optical, morphological, and structural analysis of the photocatalysts, their photocatalytic performance is evaluated in a fixed gas bed photoreactor. The TiO2 photocatalyst shows the lowest yield for methane (3.2 μmol/g catalyst) and ethane (0.42 μmol/g catalyst). While, the yield for methane and ethane using Ag-N-TiO2 photocatalyst reaches 34.42 and 1.01 μmol/g catalyst, respectively. Remarkably, when the PDMS-Ag-N-TiO2 nanocomposite is employed, the highest methane and ethane yield of 122.21 and 10.22 μmol/g catalyst are achieved, respectively. Thus, in the presence of PDMS polymer, instantaneous quadrupolar interactions occur between its siloxane groups and carbon dioxide molecules. This promotes the adsorption of greater amounts of CO2, making it more available for the photocatalytic reduction reaction and thereby enhancing hydrocarbon production.
published_date 2026-04-01T06:02:32Z
_version_ 1868490869468823552
score 11.109323

Similar Items