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Metal-Organic Frameworks Mediate Cu Coordination for Selective CO 2 Electroreduction
The electrochemical carbon dioxide reduction reaction (CO RR) produces diverse chemical species. Cu clusters with a judiciously controlled surface coordination number (CN) provide active sites that simultaneously optimize selectivity, activity, and efficiency for CO RR. Here we report a strategy inv...
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Published in: | Journal of the American Chemical Society 2018-09, Vol.140 (36), p.11378-11386 |
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creator | Nam, Dae-Hyun Bushuyev, Oleksandr S Li, Jun De Luna, Phil Seifitokaldani, Ali Dinh, Cao-Thang García de Arquer, F Pelayo Wang, Yuhang Liang, Zhiqin Proppe, Andrew H Tan, Chih Shan Todorović, Petar Shekhah, Osama Gabardo, Christine M Jo, Jea Woong Choi, Jongmin Choi, Min-Jae Baek, Se-Woong Kim, Junghwan Sinton, David Kelley, Shana O Eddaoudi, Mohamed Sargent, Edward H |
description | The electrochemical carbon dioxide reduction reaction (CO
RR) produces diverse chemical species. Cu clusters with a judiciously controlled surface coordination number (CN) provide active sites that simultaneously optimize selectivity, activity, and efficiency for CO
RR. Here we report a strategy involving metal-organic framework (MOF)-regulated Cu cluster formation that shifts CO
electroreduction toward multiple-carbon product generation. Specifically, we promoted undercoordinated sites during the formation of Cu clusters by controlling the structure of the Cu dimer, the precursor for Cu clusters. We distorted the symmetric paddle-wheel Cu dimer secondary building block of HKUST-1 to an asymmetric motif by separating adjacent benzene tricarboxylate moieties using thermal treatment. By varying materials processing conditions, we modulated the asymmetric local atomic structure, oxidation state and bonding strain of Cu dimers. Using electron paramagnetic resonance (EPR) and in situ X-ray absorption spectroscopy (XAS) experiments, we observed the formation of Cu clusters with low CN from distorted Cu dimers in HKUST-1 during CO
electroreduction. These exhibited 45% C
H
faradaic efficiency (FE), a record for MOF-derived Cu cluster catalysts. A structure-activity relationship was established wherein the tuning of the Cu-Cu CN in Cu clusters determines the CO
RR selectivity. |
doi_str_mv | 10.1021/jacs.8b06407 |
format | article |
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RR) produces diverse chemical species. Cu clusters with a judiciously controlled surface coordination number (CN) provide active sites that simultaneously optimize selectivity, activity, and efficiency for CO
RR. Here we report a strategy involving metal-organic framework (MOF)-regulated Cu cluster formation that shifts CO
electroreduction toward multiple-carbon product generation. Specifically, we promoted undercoordinated sites during the formation of Cu clusters by controlling the structure of the Cu dimer, the precursor for Cu clusters. We distorted the symmetric paddle-wheel Cu dimer secondary building block of HKUST-1 to an asymmetric motif by separating adjacent benzene tricarboxylate moieties using thermal treatment. By varying materials processing conditions, we modulated the asymmetric local atomic structure, oxidation state and bonding strain of Cu dimers. Using electron paramagnetic resonance (EPR) and in situ X-ray absorption spectroscopy (XAS) experiments, we observed the formation of Cu clusters with low CN from distorted Cu dimers in HKUST-1 during CO
electroreduction. These exhibited 45% C
H
faradaic efficiency (FE), a record for MOF-derived Cu cluster catalysts. A structure-activity relationship was established wherein the tuning of the Cu-Cu CN in Cu clusters determines the CO
RR selectivity.</description><identifier>ISSN: 0002-7863</identifier><identifier>EISSN: 1520-5126</identifier><identifier>DOI: 10.1021/jacs.8b06407</identifier><identifier>PMID: 30113834</identifier><language>eng</language><publisher>United States</publisher><ispartof>Journal of the American Chemical Society, 2018-09, Vol.140 (36), p.11378-11386</ispartof><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c1034-df6d6aeb328cabda5ef3ab597f1f1a0973efb0e4dcc965e2e71457c88b52e4f23</citedby><cites>FETCH-LOGICAL-c1034-df6d6aeb328cabda5ef3ab597f1f1a0973efb0e4dcc965e2e71457c88b52e4f23</cites><orcidid>0000-0002-0871-1355 ; 0000-0003-3360-5359 ; 0000-0003-2714-6408 ; 0000-0003-1916-9837 ; 0000-0002-7169-1537 ; 0000-0001-8086-2644 ; 0000-0003-3860-9949 ; 0000-0002-7729-8816 ; 0000-0002-9456-6894 ; 0000-0003-0396-6495 ; 0000-0003-3017-5330 ; 0000-0001-9641-9815 ; 0000-0003-2422-6234 ; 0000-0003-1861-9226</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/30113834$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Nam, Dae-Hyun</creatorcontrib><creatorcontrib>Bushuyev, Oleksandr S</creatorcontrib><creatorcontrib>Li, Jun</creatorcontrib><creatorcontrib>De Luna, Phil</creatorcontrib><creatorcontrib>Seifitokaldani, Ali</creatorcontrib><creatorcontrib>Dinh, Cao-Thang</creatorcontrib><creatorcontrib>García de Arquer, F Pelayo</creatorcontrib><creatorcontrib>Wang, Yuhang</creatorcontrib><creatorcontrib>Liang, Zhiqin</creatorcontrib><creatorcontrib>Proppe, Andrew H</creatorcontrib><creatorcontrib>Tan, Chih Shan</creatorcontrib><creatorcontrib>Todorović, Petar</creatorcontrib><creatorcontrib>Shekhah, Osama</creatorcontrib><creatorcontrib>Gabardo, Christine M</creatorcontrib><creatorcontrib>Jo, Jea Woong</creatorcontrib><creatorcontrib>Choi, Jongmin</creatorcontrib><creatorcontrib>Choi, Min-Jae</creatorcontrib><creatorcontrib>Baek, Se-Woong</creatorcontrib><creatorcontrib>Kim, Junghwan</creatorcontrib><creatorcontrib>Sinton, David</creatorcontrib><creatorcontrib>Kelley, Shana O</creatorcontrib><creatorcontrib>Eddaoudi, Mohamed</creatorcontrib><creatorcontrib>Sargent, Edward H</creatorcontrib><title>Metal-Organic Frameworks Mediate Cu Coordination for Selective CO 2 Electroreduction</title><title>Journal of the American Chemical Society</title><addtitle>J Am Chem Soc</addtitle><description>The electrochemical carbon dioxide reduction reaction (CO
RR) produces diverse chemical species. Cu clusters with a judiciously controlled surface coordination number (CN) provide active sites that simultaneously optimize selectivity, activity, and efficiency for CO
RR. Here we report a strategy involving metal-organic framework (MOF)-regulated Cu cluster formation that shifts CO
electroreduction toward multiple-carbon product generation. Specifically, we promoted undercoordinated sites during the formation of Cu clusters by controlling the structure of the Cu dimer, the precursor for Cu clusters. We distorted the symmetric paddle-wheel Cu dimer secondary building block of HKUST-1 to an asymmetric motif by separating adjacent benzene tricarboxylate moieties using thermal treatment. By varying materials processing conditions, we modulated the asymmetric local atomic structure, oxidation state and bonding strain of Cu dimers. Using electron paramagnetic resonance (EPR) and in situ X-ray absorption spectroscopy (XAS) experiments, we observed the formation of Cu clusters with low CN from distorted Cu dimers in HKUST-1 during CO
electroreduction. These exhibited 45% C
H
faradaic efficiency (FE), a record for MOF-derived Cu cluster catalysts. A structure-activity relationship was established wherein the tuning of the Cu-Cu CN in Cu clusters determines the CO
RR selectivity.</description><issn>0002-7863</issn><issn>1520-5126</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNo9kE1PAjEURRujEUR3rk1_gKP9nClLMwE1gbAQ15PX9tUMAiXtoPHfywR0dXNzT-7iEHLL2QNngj-uwOUHY1mpWHVGhlwLVmguynMyZIyJojKlHJCrnFeHqoThl2QgGefSSDUkyzl2sC4W6QO2raPTBBv8jukz0zn6Fjqk9Z7WMSbfbqFr45aGmOgbrtF17ddhXVBBJ31LMaHfu565JhcB1hlvTjki79PJsn4pZovn1_ppVjjOpCp8KH0JaKUwDqwHjUGC1eMq8MCBjSuJwTJU3rlxqVFgxZWunDFWC1RByBG5P_66FHNOGJpdajeQfhrOml5O08tpTnIO-N0R3-3tBv0__GdD_gLwFGFf</recordid><startdate>20180912</startdate><enddate>20180912</enddate><creator>Nam, Dae-Hyun</creator><creator>Bushuyev, Oleksandr S</creator><creator>Li, Jun</creator><creator>De Luna, Phil</creator><creator>Seifitokaldani, Ali</creator><creator>Dinh, Cao-Thang</creator><creator>García de Arquer, F Pelayo</creator><creator>Wang, Yuhang</creator><creator>Liang, Zhiqin</creator><creator>Proppe, Andrew H</creator><creator>Tan, Chih Shan</creator><creator>Todorović, Petar</creator><creator>Shekhah, Osama</creator><creator>Gabardo, Christine M</creator><creator>Jo, Jea Woong</creator><creator>Choi, Jongmin</creator><creator>Choi, Min-Jae</creator><creator>Baek, Se-Woong</creator><creator>Kim, Junghwan</creator><creator>Sinton, David</creator><creator>Kelley, Shana O</creator><creator>Eddaoudi, Mohamed</creator><creator>Sargent, Edward H</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><orcidid>https://orcid.org/0000-0002-0871-1355</orcidid><orcidid>https://orcid.org/0000-0003-3360-5359</orcidid><orcidid>https://orcid.org/0000-0003-2714-6408</orcidid><orcidid>https://orcid.org/0000-0003-1916-9837</orcidid><orcidid>https://orcid.org/0000-0002-7169-1537</orcidid><orcidid>https://orcid.org/0000-0001-8086-2644</orcidid><orcidid>https://orcid.org/0000-0003-3860-9949</orcidid><orcidid>https://orcid.org/0000-0002-7729-8816</orcidid><orcidid>https://orcid.org/0000-0002-9456-6894</orcidid><orcidid>https://orcid.org/0000-0003-0396-6495</orcidid><orcidid>https://orcid.org/0000-0003-3017-5330</orcidid><orcidid>https://orcid.org/0000-0001-9641-9815</orcidid><orcidid>https://orcid.org/0000-0003-2422-6234</orcidid><orcidid>https://orcid.org/0000-0003-1861-9226</orcidid></search><sort><creationdate>20180912</creationdate><title>Metal-Organic Frameworks Mediate Cu Coordination for Selective CO 2 Electroreduction</title><author>Nam, Dae-Hyun ; 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RR) produces diverse chemical species. Cu clusters with a judiciously controlled surface coordination number (CN) provide active sites that simultaneously optimize selectivity, activity, and efficiency for CO
RR. Here we report a strategy involving metal-organic framework (MOF)-regulated Cu cluster formation that shifts CO
electroreduction toward multiple-carbon product generation. Specifically, we promoted undercoordinated sites during the formation of Cu clusters by controlling the structure of the Cu dimer, the precursor for Cu clusters. We distorted the symmetric paddle-wheel Cu dimer secondary building block of HKUST-1 to an asymmetric motif by separating adjacent benzene tricarboxylate moieties using thermal treatment. By varying materials processing conditions, we modulated the asymmetric local atomic structure, oxidation state and bonding strain of Cu dimers. Using electron paramagnetic resonance (EPR) and in situ X-ray absorption spectroscopy (XAS) experiments, we observed the formation of Cu clusters with low CN from distorted Cu dimers in HKUST-1 during CO
electroreduction. These exhibited 45% C
H
faradaic efficiency (FE), a record for MOF-derived Cu cluster catalysts. A structure-activity relationship was established wherein the tuning of the Cu-Cu CN in Cu clusters determines the CO
RR selectivity.</abstract><cop>United States</cop><pmid>30113834</pmid><doi>10.1021/jacs.8b06407</doi><tpages>9</tpages><orcidid>https://orcid.org/0000-0002-0871-1355</orcidid><orcidid>https://orcid.org/0000-0003-3360-5359</orcidid><orcidid>https://orcid.org/0000-0003-2714-6408</orcidid><orcidid>https://orcid.org/0000-0003-1916-9837</orcidid><orcidid>https://orcid.org/0000-0002-7169-1537</orcidid><orcidid>https://orcid.org/0000-0001-8086-2644</orcidid><orcidid>https://orcid.org/0000-0003-3860-9949</orcidid><orcidid>https://orcid.org/0000-0002-7729-8816</orcidid><orcidid>https://orcid.org/0000-0002-9456-6894</orcidid><orcidid>https://orcid.org/0000-0003-0396-6495</orcidid><orcidid>https://orcid.org/0000-0003-3017-5330</orcidid><orcidid>https://orcid.org/0000-0001-9641-9815</orcidid><orcidid>https://orcid.org/0000-0003-2422-6234</orcidid><orcidid>https://orcid.org/0000-0003-1861-9226</orcidid></addata></record> |
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title | Metal-Organic Frameworks Mediate Cu Coordination for Selective CO 2 Electroreduction |
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