Syngas Conversion to C 2 Species over WC and M/WC (M = Cu or Rh) Catalysts: Identifying the Function of Surface Termination and Supported Metal Type
Improving the selectivity and activity of C species from syngas is still a challenge. In this work, catalysts with monolayer Cu or Rh supported over WC with different surface terminations (M/WC (M = Cu or Rh)) are rationally designed to facilitate C species generation. The complete reaction network...
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Veröffentlicht in: | ACS applied materials & interfaces 2022-05, Vol.14 (17), p.19491-19504 |
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creator | Zhao, Wantong Guan, Zun Li, Debao Wang, Baojun Fan, Maohong Zhang, Riguang |
description | Improving the selectivity and activity of C
species from syngas is still a challenge. In this work, catalysts with monolayer Cu or Rh supported over WC with different surface terminations (M/WC (M = Cu or Rh)) are rationally designed to facilitate C
species generation. The complete reaction network is analyzed by DFT calculations. Microkinetics modeling is utilized to consider the experimental reaction temperature, pressure, and the coverage of the species. The thermal stabilities of the M/WC (M = Cu or Rh) catalysts are confirmed by AIMD simulations. The results show that the surface termination and supported metal types in the M/WC (M = Cu or Rh) catalysts can alter the existence form of abundant CH
(
= 1-3) monomer, as well as the activity and selectivity of CH
monomer and C
species. Among these, only the Cu/WC-C catalyst is screened out to achieve outstanding activity and selectivity for C
H
generation, attributing to that the synergistic effect of the subsurface C atoms and the surface monolayer Cu atoms presents the noble-metal-like character to promote the generation of CH
and C
species. This work demonstrates a new possibility for rational construction of other catalysts with the non-noble metal supported by the metal carbide, adjusting the surface termination of metal carbide and the supported metal types can present the noble-metal-like character to tune catalytic performance of C
species from syngas. |
doi_str_mv | 10.1021/acsami.2c02217 |
format | Article |
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species from syngas is still a challenge. In this work, catalysts with monolayer Cu or Rh supported over WC with different surface terminations (M/WC (M = Cu or Rh)) are rationally designed to facilitate C
species generation. The complete reaction network is analyzed by DFT calculations. Microkinetics modeling is utilized to consider the experimental reaction temperature, pressure, and the coverage of the species. The thermal stabilities of the M/WC (M = Cu or Rh) catalysts are confirmed by AIMD simulations. The results show that the surface termination and supported metal types in the M/WC (M = Cu or Rh) catalysts can alter the existence form of abundant CH
(
= 1-3) monomer, as well as the activity and selectivity of CH
monomer and C
species. Among these, only the Cu/WC-C catalyst is screened out to achieve outstanding activity and selectivity for C
H
generation, attributing to that the synergistic effect of the subsurface C atoms and the surface monolayer Cu atoms presents the noble-metal-like character to promote the generation of CH
and C
species. This work demonstrates a new possibility for rational construction of other catalysts with the non-noble metal supported by the metal carbide, adjusting the surface termination of metal carbide and the supported metal types can present the noble-metal-like character to tune catalytic performance of C
species from syngas.</description><identifier>ISSN: 1944-8244</identifier><identifier>EISSN: 1944-8252</identifier><identifier>DOI: 10.1021/acsami.2c02217</identifier><identifier>PMID: 35467825</identifier><language>eng</language><publisher>United States</publisher><ispartof>ACS applied materials & interfaces, 2022-05, Vol.14 (17), p.19491-19504</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1075-e9a8d15de52608187fdcdbc425a900fa1b4a34602a1b43100f7d29cd6621fa8e3</citedby><cites>FETCH-LOGICAL-c1075-e9a8d15de52608187fdcdbc425a900fa1b4a34602a1b43100f7d29cd6621fa8e3</cites><orcidid>0000-0002-6891-4787 ; 0000-0002-9069-6720 ; 0000-0003-1334-7292 ; 0000-0001-8956-8425</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,2752,27905,27906</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/35467825$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Zhao, Wantong</creatorcontrib><creatorcontrib>Guan, Zun</creatorcontrib><creatorcontrib>Li, Debao</creatorcontrib><creatorcontrib>Wang, Baojun</creatorcontrib><creatorcontrib>Fan, Maohong</creatorcontrib><creatorcontrib>Zhang, Riguang</creatorcontrib><title>Syngas Conversion to C 2 Species over WC and M/WC (M = Cu or Rh) Catalysts: Identifying the Function of Surface Termination and Supported Metal Type</title><title>ACS applied materials & interfaces</title><addtitle>ACS Appl Mater Interfaces</addtitle><description>Improving the selectivity and activity of C
species from syngas is still a challenge. In this work, catalysts with monolayer Cu or Rh supported over WC with different surface terminations (M/WC (M = Cu or Rh)) are rationally designed to facilitate C
species generation. The complete reaction network is analyzed by DFT calculations. Microkinetics modeling is utilized to consider the experimental reaction temperature, pressure, and the coverage of the species. The thermal stabilities of the M/WC (M = Cu or Rh) catalysts are confirmed by AIMD simulations. The results show that the surface termination and supported metal types in the M/WC (M = Cu or Rh) catalysts can alter the existence form of abundant CH
(
= 1-3) monomer, as well as the activity and selectivity of CH
monomer and C
species. Among these, only the Cu/WC-C catalyst is screened out to achieve outstanding activity and selectivity for C
H
generation, attributing to that the synergistic effect of the subsurface C atoms and the surface monolayer Cu atoms presents the noble-metal-like character to promote the generation of CH
and C
species. This work demonstrates a new possibility for rational construction of other catalysts with the non-noble metal supported by the metal carbide, adjusting the surface termination of metal carbide and the supported metal types can present the noble-metal-like character to tune catalytic performance of C
species from syngas.</description><issn>1944-8244</issn><issn>1944-8252</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNo9kEtLw0AUhQdRbK1uXcpd6iLtzGTyElxIsCq0CKbiMkzn0UaaSZhJhPwPf7CJrV3dw-Hcb_EhdE3wlGBKZlw4XhZTKjClJDpBY5Iw5sU0oKfHzNgIXTj3hXHoUxyco5EfsDDqR2P0k3Vmwx2klflW1hWVgaaCFChktRKFclD1PXymwI2E5awPt0t4gLSFysL79g5S3vBd5xp3D69SmabQXWE20GwVzFsjmgFZachaq7lQsFK2LAz_qwdk1tZ1ZRvVw1UPglVXq0t0pvnOqavDnaCP-dMqffEWb8-v6ePCEwRHgacSHksSSBXQEMckjrQUci0YDXiCseZkzbjPQkyH5JO-iiRNhAxDSjSPlT9B0z1X2Mo5q3Re26LktssJzge9-V5vftDbP9zsH-p2XSp5nP_79H8BoOt2sw</recordid><startdate>20220504</startdate><enddate>20220504</enddate><creator>Zhao, Wantong</creator><creator>Guan, Zun</creator><creator>Li, Debao</creator><creator>Wang, Baojun</creator><creator>Fan, Maohong</creator><creator>Zhang, Riguang</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-6891-4787</orcidid><orcidid>https://orcid.org/0000-0002-9069-6720</orcidid><orcidid>https://orcid.org/0000-0003-1334-7292</orcidid><orcidid>https://orcid.org/0000-0001-8956-8425</orcidid></search><sort><creationdate>20220504</creationdate><title>Syngas Conversion to C 2 Species over WC and M/WC (M = Cu or Rh) Catalysts: Identifying the Function of Surface Termination and Supported Metal Type</title><author>Zhao, Wantong ; Guan, Zun ; Li, Debao ; Wang, Baojun ; Fan, Maohong ; Zhang, Riguang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c1075-e9a8d15de52608187fdcdbc425a900fa1b4a34602a1b43100f7d29cd6621fa8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Wantong</creatorcontrib><creatorcontrib>Guan, Zun</creatorcontrib><creatorcontrib>Li, Debao</creatorcontrib><creatorcontrib>Wang, Baojun</creatorcontrib><creatorcontrib>Fan, Maohong</creatorcontrib><creatorcontrib>Zhang, Riguang</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><jtitle>ACS applied materials & interfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Wantong</au><au>Guan, Zun</au><au>Li, Debao</au><au>Wang, Baojun</au><au>Fan, Maohong</au><au>Zhang, Riguang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Syngas Conversion to C 2 Species over WC and M/WC (M = Cu or Rh) Catalysts: Identifying the Function of Surface Termination and Supported Metal Type</atitle><jtitle>ACS applied materials & interfaces</jtitle><addtitle>ACS Appl Mater Interfaces</addtitle><date>2022-05-04</date><risdate>2022</risdate><volume>14</volume><issue>17</issue><spage>19491</spage><epage>19504</epage><pages>19491-19504</pages><issn>1944-8244</issn><eissn>1944-8252</eissn><abstract>Improving the selectivity and activity of C
species from syngas is still a challenge. In this work, catalysts with monolayer Cu or Rh supported over WC with different surface terminations (M/WC (M = Cu or Rh)) are rationally designed to facilitate C
species generation. The complete reaction network is analyzed by DFT calculations. Microkinetics modeling is utilized to consider the experimental reaction temperature, pressure, and the coverage of the species. The thermal stabilities of the M/WC (M = Cu or Rh) catalysts are confirmed by AIMD simulations. The results show that the surface termination and supported metal types in the M/WC (M = Cu or Rh) catalysts can alter the existence form of abundant CH
(
= 1-3) monomer, as well as the activity and selectivity of CH
monomer and C
species. Among these, only the Cu/WC-C catalyst is screened out to achieve outstanding activity and selectivity for C
H
generation, attributing to that the synergistic effect of the subsurface C atoms and the surface monolayer Cu atoms presents the noble-metal-like character to promote the generation of CH
and C
species. This work demonstrates a new possibility for rational construction of other catalysts with the non-noble metal supported by the metal carbide, adjusting the surface termination of metal carbide and the supported metal types can present the noble-metal-like character to tune catalytic performance of C
species from syngas.</abstract><cop>United States</cop><pmid>35467825</pmid><doi>10.1021/acsami.2c02217</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-6891-4787</orcidid><orcidid>https://orcid.org/0000-0002-9069-6720</orcidid><orcidid>https://orcid.org/0000-0003-1334-7292</orcidid><orcidid>https://orcid.org/0000-0001-8956-8425</orcidid></addata></record> |
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title | Syngas Conversion to C 2 Species over WC and M/WC (M = Cu or Rh) Catalysts: Identifying the Function of Surface Termination and Supported Metal Type |
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