Hemispherical Cavity Cobalt Oxyhydroxides as Oxygen Evolution Electrocatalysts Electrodeposited in Borate-Buffered Solution Using a Polystyrene Colloidal Template Method
Cobalt oxyhydroxide (CoOOH) electrocatalysts with a hemispherical cavity structure were electrodeposited in borate-buffered solution using a polystyrene colloidal template method. The hemispherical-cavity catalysts exhibited higher activity for the oxygen evolution reaction than the corresponding fl...
Gespeichert in:
Veröffentlicht in: | Chemistry letters 2023, Vol.52 (X), p.533-537 |
---|---|
Hauptverfasser: | , , , , , , , , |
Format: | Artikel |
Sprache: | eng |
Schlagworte: | |
Online-Zugang: | Volltext |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
container_end_page | 537 |
---|---|
container_issue | X |
container_start_page | 533 |
container_title | Chemistry letters |
container_volume | 52 |
creator | Araki, Yusaku Harada, Kazuki Miyagi, Nozomu Tsunekawa, Shun Ishii, Haruyuki Matsui, Takanobu Wang, Ke-Hsuan Kawai, Takeshi Yoshida, Masaaki |
description | Cobalt oxyhydroxide (CoOOH) electrocatalysts with a hemispherical cavity structure were electrodeposited in borate-buffered solution using a polystyrene colloidal template method. The hemispherical-cavity catalysts exhibited higher activity for the oxygen evolution reaction than the corresponding flat thin-film catalysts. Analysis by operando Co K-edge X-ray absorption spectroscopy revealed that, under the electrode working conditions, the local structure of the Co species was composed of nanosized CoOOH clusters with high-oxidation-number Co species. In addition, a B K-edge X-ray absorption spectroscopic analysis showed that borate anions were adsorbed onto the catalysts, stabilizing the catalyst structure. Thus, the highly oxidized CoOOH clusters with adsorbed borate anions are likely to function as active sites, possibly because the clusters are generated around anisotropic Co sites in the catalysts with hemispherical cavities. |
doi_str_mv | 10.1246/cl.230192 |
format | Article |
fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_2864787950</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2864787950</sourcerecordid><originalsourceid>FETCH-LOGICAL-c264t-1650723926041adea73135c6ec10ce8d5fb3ce0d9454a7e5cb1a4459fd1facf23</originalsourceid><addsrcrecordid>eNplUctOHDEQtCIiZSEc8geWcsphwK_xzBxhBSESEZGA86jX7mG98o4H24uYT8pfxqsF5cCpW6Wq6lYVId84O-NC6XPjz4RkvBOfyIJL1Vas4fURWTCpddUwIb6Q45Q2jLG2k2JB_t7g1qVpjdEZ8HQJLy7PdBlW4DO9e53Xs43h1VlMFNIeeMKRXr0Ev8sulM2jyTEYyODnlNM7YHEKyWW01I30MkTIWF3uhgFjge7f1Y_JjU8U6J-wF88RRyynvQ_Oll8ecDv5IqS_Ma-D_Uo-D-ATnr7NE_J4ffWwvKlu737-Wl7cVkZolSuua9YI2QnNFAeL0Egua6PRcGawtfWwkgaZ7VStoMHarDgoVXeD5QOYQcgT8v3gO8XwvMOU-03YxbGc7EWrVdM2Xc0K68eBZWJIKeLQT9FtIc49Z_2-id74_tBE4eo37rqEXWJOwTjM8wYmGP-7fxT-A5tgkvA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>2864787950</pqid></control><display><type>article</type><title>Hemispherical Cavity Cobalt Oxyhydroxides as Oxygen Evolution Electrocatalysts Electrodeposited in Borate-Buffered Solution Using a Polystyrene Colloidal Template Method</title><source>Oxford University Press Journals All Titles (1996-Current)</source><creator>Araki, Yusaku ; Harada, Kazuki ; Miyagi, Nozomu ; Tsunekawa, Shun ; Ishii, Haruyuki ; Matsui, Takanobu ; Wang, Ke-Hsuan ; Kawai, Takeshi ; Yoshida, Masaaki</creator><creatorcontrib>Araki, Yusaku ; Harada, Kazuki ; Miyagi, Nozomu ; Tsunekawa, Shun ; Ishii, Haruyuki ; Matsui, Takanobu ; Wang, Ke-Hsuan ; Kawai, Takeshi ; Yoshida, Masaaki</creatorcontrib><description>Cobalt oxyhydroxide (CoOOH) electrocatalysts with a hemispherical cavity structure were electrodeposited in borate-buffered solution using a polystyrene colloidal template method. The hemispherical-cavity catalysts exhibited higher activity for the oxygen evolution reaction than the corresponding flat thin-film catalysts. Analysis by operando Co K-edge X-ray absorption spectroscopy revealed that, under the electrode working conditions, the local structure of the Co species was composed of nanosized CoOOH clusters with high-oxidation-number Co species. In addition, a B K-edge X-ray absorption spectroscopic analysis showed that borate anions were adsorbed onto the catalysts, stabilizing the catalyst structure. Thus, the highly oxidized CoOOH clusters with adsorbed borate anions are likely to function as active sites, possibly because the clusters are generated around anisotropic Co sites in the catalysts with hemispherical cavities.</description><identifier>ISSN: 0366-7022</identifier><identifier>EISSN: 1348-0715</identifier><identifier>DOI: 10.1246/cl.230192</identifier><language>eng</language><publisher>Tokyo: The Chemical Society of Japan</publisher><subject>Absorption spectroscopy ; Anions ; Buffers ; Catalysts ; Clusters ; Cobalt oxyhydroxide ; Electrocatalysts ; Electrodeposition ; Hemispherical cavities ; Holes ; Oxidation ; Oxygen evolution reactions ; Polystyrene resins ; Thin films ; X ray absorption</subject><ispartof>Chemistry letters, 2023, Vol.52 (X), p.533-537</ispartof><rights>The Chemical Society of Japan</rights><rights>Copyright Chemical Society of Japan 2023</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c264t-1650723926041adea73135c6ec10ce8d5fb3ce0d9454a7e5cb1a4459fd1facf23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,4010,27900,27901,27902</link.rule.ids></links><search><creatorcontrib>Araki, Yusaku</creatorcontrib><creatorcontrib>Harada, Kazuki</creatorcontrib><creatorcontrib>Miyagi, Nozomu</creatorcontrib><creatorcontrib>Tsunekawa, Shun</creatorcontrib><creatorcontrib>Ishii, Haruyuki</creatorcontrib><creatorcontrib>Matsui, Takanobu</creatorcontrib><creatorcontrib>Wang, Ke-Hsuan</creatorcontrib><creatorcontrib>Kawai, Takeshi</creatorcontrib><creatorcontrib>Yoshida, Masaaki</creatorcontrib><title>Hemispherical Cavity Cobalt Oxyhydroxides as Oxygen Evolution Electrocatalysts Electrodeposited in Borate-Buffered Solution Using a Polystyrene Colloidal Template Method</title><title>Chemistry letters</title><description>Cobalt oxyhydroxide (CoOOH) electrocatalysts with a hemispherical cavity structure were electrodeposited in borate-buffered solution using a polystyrene colloidal template method. The hemispherical-cavity catalysts exhibited higher activity for the oxygen evolution reaction than the corresponding flat thin-film catalysts. Analysis by operando Co K-edge X-ray absorption spectroscopy revealed that, under the electrode working conditions, the local structure of the Co species was composed of nanosized CoOOH clusters with high-oxidation-number Co species. In addition, a B K-edge X-ray absorption spectroscopic analysis showed that borate anions were adsorbed onto the catalysts, stabilizing the catalyst structure. Thus, the highly oxidized CoOOH clusters with adsorbed borate anions are likely to function as active sites, possibly because the clusters are generated around anisotropic Co sites in the catalysts with hemispherical cavities.</description><subject>Absorption spectroscopy</subject><subject>Anions</subject><subject>Buffers</subject><subject>Catalysts</subject><subject>Clusters</subject><subject>Cobalt oxyhydroxide</subject><subject>Electrocatalysts</subject><subject>Electrodeposition</subject><subject>Hemispherical cavities</subject><subject>Holes</subject><subject>Oxidation</subject><subject>Oxygen evolution reactions</subject><subject>Polystyrene resins</subject><subject>Thin films</subject><subject>X ray absorption</subject><issn>0366-7022</issn><issn>1348-0715</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNplUctOHDEQtCIiZSEc8geWcsphwK_xzBxhBSESEZGA86jX7mG98o4H24uYT8pfxqsF5cCpW6Wq6lYVId84O-NC6XPjz4RkvBOfyIJL1Vas4fURWTCpddUwIb6Q45Q2jLG2k2JB_t7g1qVpjdEZ8HQJLy7PdBlW4DO9e53Xs43h1VlMFNIeeMKRXr0Ev8sulM2jyTEYyODnlNM7YHEKyWW01I30MkTIWF3uhgFjge7f1Y_JjU8U6J-wF88RRyynvQ_Oll8ecDv5IqS_Ma-D_Uo-D-ATnr7NE_J4ffWwvKlu737-Wl7cVkZolSuua9YI2QnNFAeL0Egua6PRcGawtfWwkgaZ7VStoMHarDgoVXeD5QOYQcgT8v3gO8XwvMOU-03YxbGc7EWrVdM2Xc0K68eBZWJIKeLQT9FtIc49Z_2-id74_tBE4eo37rqEXWJOwTjM8wYmGP-7fxT-A5tgkvA</recordid><startdate>2023</startdate><enddate>2023</enddate><creator>Araki, Yusaku</creator><creator>Harada, Kazuki</creator><creator>Miyagi, Nozomu</creator><creator>Tsunekawa, Shun</creator><creator>Ishii, Haruyuki</creator><creator>Matsui, Takanobu</creator><creator>Wang, Ke-Hsuan</creator><creator>Kawai, Takeshi</creator><creator>Yoshida, Masaaki</creator><general>The Chemical Society of Japan</general><general>Chemical Society of Japan</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2023</creationdate><title>Hemispherical Cavity Cobalt Oxyhydroxides as Oxygen Evolution Electrocatalysts Electrodeposited in Borate-Buffered Solution Using a Polystyrene Colloidal Template Method</title><author>Araki, Yusaku ; Harada, Kazuki ; Miyagi, Nozomu ; Tsunekawa, Shun ; Ishii, Haruyuki ; Matsui, Takanobu ; Wang, Ke-Hsuan ; Kawai, Takeshi ; Yoshida, Masaaki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-1650723926041adea73135c6ec10ce8d5fb3ce0d9454a7e5cb1a4459fd1facf23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Absorption spectroscopy</topic><topic>Anions</topic><topic>Buffers</topic><topic>Catalysts</topic><topic>Clusters</topic><topic>Cobalt oxyhydroxide</topic><topic>Electrocatalysts</topic><topic>Electrodeposition</topic><topic>Hemispherical cavities</topic><topic>Holes</topic><topic>Oxidation</topic><topic>Oxygen evolution reactions</topic><topic>Polystyrene resins</topic><topic>Thin films</topic><topic>X ray absorption</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Araki, Yusaku</creatorcontrib><creatorcontrib>Harada, Kazuki</creatorcontrib><creatorcontrib>Miyagi, Nozomu</creatorcontrib><creatorcontrib>Tsunekawa, Shun</creatorcontrib><creatorcontrib>Ishii, Haruyuki</creatorcontrib><creatorcontrib>Matsui, Takanobu</creatorcontrib><creatorcontrib>Wang, Ke-Hsuan</creatorcontrib><creatorcontrib>Kawai, Takeshi</creatorcontrib><creatorcontrib>Yoshida, Masaaki</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Chemistry letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Araki, Yusaku</au><au>Harada, Kazuki</au><au>Miyagi, Nozomu</au><au>Tsunekawa, Shun</au><au>Ishii, Haruyuki</au><au>Matsui, Takanobu</au><au>Wang, Ke-Hsuan</au><au>Kawai, Takeshi</au><au>Yoshida, Masaaki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hemispherical Cavity Cobalt Oxyhydroxides as Oxygen Evolution Electrocatalysts Electrodeposited in Borate-Buffered Solution Using a Polystyrene Colloidal Template Method</atitle><jtitle>Chemistry letters</jtitle><date>2023</date><risdate>2023</risdate><volume>52</volume><issue>X</issue><spage>533</spage><epage>537</epage><pages>533-537</pages><issn>0366-7022</issn><eissn>1348-0715</eissn><abstract>Cobalt oxyhydroxide (CoOOH) electrocatalysts with a hemispherical cavity structure were electrodeposited in borate-buffered solution using a polystyrene colloidal template method. The hemispherical-cavity catalysts exhibited higher activity for the oxygen evolution reaction than the corresponding flat thin-film catalysts. Analysis by operando Co K-edge X-ray absorption spectroscopy revealed that, under the electrode working conditions, the local structure of the Co species was composed of nanosized CoOOH clusters with high-oxidation-number Co species. In addition, a B K-edge X-ray absorption spectroscopic analysis showed that borate anions were adsorbed onto the catalysts, stabilizing the catalyst structure. Thus, the highly oxidized CoOOH clusters with adsorbed borate anions are likely to function as active sites, possibly because the clusters are generated around anisotropic Co sites in the catalysts with hemispherical cavities.</abstract><cop>Tokyo</cop><pub>The Chemical Society of Japan</pub><doi>10.1246/cl.230192</doi><tpages>5</tpages></addata></record> |
fulltext | fulltext |
identifier | ISSN: 0366-7022 |
ispartof | Chemistry letters, 2023, Vol.52 (X), p.533-537 |
issn | 0366-7022 1348-0715 |
language | eng |
recordid | cdi_proquest_journals_2864787950 |
source | Oxford University Press Journals All Titles (1996-Current) |
subjects | Absorption spectroscopy Anions Buffers Catalysts Clusters Cobalt oxyhydroxide Electrocatalysts Electrodeposition Hemispherical cavities Holes Oxidation Oxygen evolution reactions Polystyrene resins Thin films X ray absorption |
title | Hemispherical Cavity Cobalt Oxyhydroxides as Oxygen Evolution Electrocatalysts Electrodeposited in Borate-Buffered Solution Using a Polystyrene Colloidal Template Method |
url | https://sfx.bib-bvb.de/sfx_tum?ctx_ver=Z39.88-2004&ctx_enc=info:ofi/enc:UTF-8&ctx_tim=2025-02-06T19%3A31%3A42IST&url_ver=Z39.88-2004&url_ctx_fmt=infofi/fmt:kev:mtx:ctx&rfr_id=info:sid/primo.exlibrisgroup.com:primo3-Article-proquest_cross&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.genre=article&rft.atitle=Hemispherical%20Cavity%20Cobalt%20Oxyhydroxides%20as%20Oxygen%20Evolution%20Electrocatalysts%20Electrodeposited%20in%20Borate-Buffered%20Solution%20Using%20a%20Polystyrene%20Colloidal%20Template%20Method&rft.jtitle=Chemistry%20letters&rft.au=Araki,%20Yusaku&rft.date=2023&rft.volume=52&rft.issue=X&rft.spage=533&rft.epage=537&rft.pages=533-537&rft.issn=0366-7022&rft.eissn=1348-0715&rft_id=info:doi/10.1246/cl.230192&rft_dat=%3Cproquest_cross%3E2864787950%3C/proquest_cross%3E%3Curl%3E%3C/url%3E&disable_directlink=true&sfx.directlink=off&sfx.report_link=0&rft_id=info:oai/&rft_pqid=2864787950&rft_id=info:pmid/&rfr_iscdi=true |