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A Unique Etching-Doping Route to Fe/Mo Co-Doped Ni Oxyhydroxide Catalyst for Enhanced Oxygen Evolution Reaction
Fe-doped Ni (oxy)hydroxide shows intriguing activity toward oxygen evolution reaction (OER) in alkaline solution, yet it remains challenging to further boost its performance. In this work, a ferric/molybdate (Fe /MoO ) co-doping strategy is reported to promote the OER activity of Ni oxyhydroxide. Th...
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| Published in: | Small (Weinheim an der Bergstrasse, Germany) Germany), 2023-09, Vol.19 (37), p.e2301267-e2301267 |
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| container_end_page | e2301267 |
| container_issue | 37 |
| container_start_page | e2301267 |
| container_title | Small (Weinheim an der Bergstrasse, Germany) |
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| creator | Wei, Yunpeng Yi, Lingya Wang, Rongfei Li, Junying Li, Dazhi Li, Tianhao Sun, Wei Hu, Weihua |
| description | Fe-doped Ni (oxy)hydroxide shows intriguing activity toward oxygen evolution reaction (OER) in alkaline solution, yet it remains challenging to further boost its performance. In this work, a ferric/molybdate (Fe
/MoO
) co-doping strategy is reported to promote the OER activity of Ni oxyhydroxide. The reinforced Fe/Mo-doped Ni oxyhydroxide catalyst supported by nickel foam (p-NiFeMo/NF) is synthesized via a unique oxygen plasma etching-electrochemical doping route, in which precursor Ni(OH)
nanosheets are first etched by oxygen plasma to form defect-rich amorphous nanosheets, followed by electrochemical cycling to trigger simultaneously Fe
/MoO
co-doping and phase transition. This p-NiFeMo/NF catalyst requires an overpotential of only 274 mV to reach 100 mA cm
in alkaline media, exhibiting significantly enhanced OER activity compared to NiFe layered double hydroxide (LDH) catalyst and other analogs. Its activity does not fade even after 72 h uninterrupted operation. In situ Raman analysis reveals that the intercalation of MoO
is able to prevent the over-oxidation of NiOOH matrix from β to γ phase, thus keeping the Fe-doped NiOOH at the most active state. |
| doi_str_mv | 10.1002/smll.202301267 |
| format | article |
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/MoO
) co-doping strategy is reported to promote the OER activity of Ni oxyhydroxide. The reinforced Fe/Mo-doped Ni oxyhydroxide catalyst supported by nickel foam (p-NiFeMo/NF) is synthesized via a unique oxygen plasma etching-electrochemical doping route, in which precursor Ni(OH)
nanosheets are first etched by oxygen plasma to form defect-rich amorphous nanosheets, followed by electrochemical cycling to trigger simultaneously Fe
/MoO
co-doping and phase transition. This p-NiFeMo/NF catalyst requires an overpotential of only 274 mV to reach 100 mA cm
in alkaline media, exhibiting significantly enhanced OER activity compared to NiFe layered double hydroxide (LDH) catalyst and other analogs. Its activity does not fade even after 72 h uninterrupted operation. In situ Raman analysis reveals that the intercalation of MoO
is able to prevent the over-oxidation of NiOOH matrix from β to γ phase, thus keeping the Fe-doped NiOOH at the most active state.</description><identifier>ISSN: 1613-6810</identifier><identifier>EISSN: 1613-6829</identifier><identifier>DOI: 10.1002/smll.202301267</identifier><identifier>PMID: 37144442</identifier><language>eng</language><publisher>Germany: Wiley Subscription Services, Inc</publisher><subject>Catalysts ; Doping ; Hydroxides ; Iron ; Iron compounds ; Metal foams ; Molybdenum ; Nanostructure ; Nanotechnology ; Nickel compounds ; Oxidation ; Oxygen evolution reactions ; Oxygen plasma ; Phase transitions ; Plasma etching ; Raman spectroscopy</subject><ispartof>Small (Weinheim an der Bergstrasse, Germany), 2023-09, Vol.19 (37), p.e2301267-e2301267</ispartof><rights>2023 Wiley-VCH GmbH.</rights><rights>2023 Wiley‐VCH GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c323t-745fe92b76f67e8ccf9137bdda0a28bee963c00665bb26009394bba25ff137703</citedby><cites>FETCH-LOGICAL-c323t-745fe92b76f67e8ccf9137bdda0a28bee963c00665bb26009394bba25ff137703</cites><orcidid>0000-0001-6278-9551</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/37144442$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wei, Yunpeng</creatorcontrib><creatorcontrib>Yi, Lingya</creatorcontrib><creatorcontrib>Wang, Rongfei</creatorcontrib><creatorcontrib>Li, Junying</creatorcontrib><creatorcontrib>Li, Dazhi</creatorcontrib><creatorcontrib>Li, Tianhao</creatorcontrib><creatorcontrib>Sun, Wei</creatorcontrib><creatorcontrib>Hu, Weihua</creatorcontrib><title>A Unique Etching-Doping Route to Fe/Mo Co-Doped Ni Oxyhydroxide Catalyst for Enhanced Oxygen Evolution Reaction</title><title>Small (Weinheim an der Bergstrasse, Germany)</title><addtitle>Small</addtitle><description>Fe-doped Ni (oxy)hydroxide shows intriguing activity toward oxygen evolution reaction (OER) in alkaline solution, yet it remains challenging to further boost its performance. In this work, a ferric/molybdate (Fe
/MoO
) co-doping strategy is reported to promote the OER activity of Ni oxyhydroxide. The reinforced Fe/Mo-doped Ni oxyhydroxide catalyst supported by nickel foam (p-NiFeMo/NF) is synthesized via a unique oxygen plasma etching-electrochemical doping route, in which precursor Ni(OH)
nanosheets are first etched by oxygen plasma to form defect-rich amorphous nanosheets, followed by electrochemical cycling to trigger simultaneously Fe
/MoO
co-doping and phase transition. This p-NiFeMo/NF catalyst requires an overpotential of only 274 mV to reach 100 mA cm
in alkaline media, exhibiting significantly enhanced OER activity compared to NiFe layered double hydroxide (LDH) catalyst and other analogs. Its activity does not fade even after 72 h uninterrupted operation. In situ Raman analysis reveals that the intercalation of MoO
is able to prevent the over-oxidation of NiOOH matrix from β to γ phase, thus keeping the Fe-doped NiOOH at the most active state.</description><subject>Catalysts</subject><subject>Doping</subject><subject>Hydroxides</subject><subject>Iron</subject><subject>Iron compounds</subject><subject>Metal foams</subject><subject>Molybdenum</subject><subject>Nanostructure</subject><subject>Nanotechnology</subject><subject>Nickel compounds</subject><subject>Oxidation</subject><subject>Oxygen evolution reactions</subject><subject>Oxygen plasma</subject><subject>Phase transitions</subject><subject>Plasma etching</subject><subject>Raman spectroscopy</subject><issn>1613-6810</issn><issn>1613-6829</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><recordid>eNpdkU1PwzAMhiMEYmNw5YgiceHSLR9dshyn0gESMGli5ypN061T24wmReu_J9XGDvjyWvJjy_YLwD1GY4wQmdiqLMcEEYowYfwCDDHDNGAzIi7POUYDcGPtDiGKScivwYByHPogQ2DmcF0X362GsVPbot4Ez2bvBa5M6zR0Bi705MPAyPQFncHPAi4P3bbLGnMoMg0j6WTZWQdz08C43spaecojG13D-MeUrStMDVdaqj65BVe5LK2-O-kIrBfxV_QavC9f3qL5e6AooS7g4TTXgqSc5YzrmVK5wJSnWSaRJLNUa8GoQoixaZoShpCgIkxTSaZ57jmO6Ag8HefuG-Ovsy6pCqt0Wcpam9YmxH9F4BAz5tHHf-jOtE3tt_MUCxEXlAhPjY-Uaoy1jc6TfVNUsukSjJLeiqS3Ijlb4RseTmPbtNLZGf_7Pf0FbpuDsw</recordid><startdate>20230901</startdate><enddate>20230901</enddate><creator>Wei, Yunpeng</creator><creator>Yi, Lingya</creator><creator>Wang, Rongfei</creator><creator>Li, Junying</creator><creator>Li, Dazhi</creator><creator>Li, Tianhao</creator><creator>Sun, Wei</creator><creator>Hu, Weihua</creator><general>Wiley Subscription Services, Inc</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>7X8</scope><orcidid>https://orcid.org/0000-0001-6278-9551</orcidid></search><sort><creationdate>20230901</creationdate><title>A Unique Etching-Doping Route to Fe/Mo Co-Doped Ni Oxyhydroxide Catalyst for Enhanced Oxygen Evolution Reaction</title><author>Wei, Yunpeng ; Yi, Lingya ; Wang, Rongfei ; Li, Junying ; Li, Dazhi ; Li, Tianhao ; Sun, Wei ; Hu, Weihua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c323t-745fe92b76f67e8ccf9137bdda0a28bee963c00665bb26009394bba25ff137703</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Catalysts</topic><topic>Doping</topic><topic>Hydroxides</topic><topic>Iron</topic><topic>Iron compounds</topic><topic>Metal foams</topic><topic>Molybdenum</topic><topic>Nanostructure</topic><topic>Nanotechnology</topic><topic>Nickel compounds</topic><topic>Oxidation</topic><topic>Oxygen evolution reactions</topic><topic>Oxygen plasma</topic><topic>Phase transitions</topic><topic>Plasma etching</topic><topic>Raman spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wei, Yunpeng</creatorcontrib><creatorcontrib>Yi, Lingya</creatorcontrib><creatorcontrib>Wang, Rongfei</creatorcontrib><creatorcontrib>Li, Junying</creatorcontrib><creatorcontrib>Li, Dazhi</creatorcontrib><creatorcontrib>Li, Tianhao</creatorcontrib><creatorcontrib>Sun, Wei</creatorcontrib><creatorcontrib>Hu, Weihua</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Small (Weinheim an der Bergstrasse, Germany)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wei, Yunpeng</au><au>Yi, Lingya</au><au>Wang, Rongfei</au><au>Li, Junying</au><au>Li, Dazhi</au><au>Li, Tianhao</au><au>Sun, Wei</au><au>Hu, Weihua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Unique Etching-Doping Route to Fe/Mo Co-Doped Ni Oxyhydroxide Catalyst for Enhanced Oxygen Evolution Reaction</atitle><jtitle>Small (Weinheim an der Bergstrasse, Germany)</jtitle><addtitle>Small</addtitle><date>2023-09-01</date><risdate>2023</risdate><volume>19</volume><issue>37</issue><spage>e2301267</spage><epage>e2301267</epage><pages>e2301267-e2301267</pages><issn>1613-6810</issn><eissn>1613-6829</eissn><abstract>Fe-doped Ni (oxy)hydroxide shows intriguing activity toward oxygen evolution reaction (OER) in alkaline solution, yet it remains challenging to further boost its performance. In this work, a ferric/molybdate (Fe
/MoO
) co-doping strategy is reported to promote the OER activity of Ni oxyhydroxide. The reinforced Fe/Mo-doped Ni oxyhydroxide catalyst supported by nickel foam (p-NiFeMo/NF) is synthesized via a unique oxygen plasma etching-electrochemical doping route, in which precursor Ni(OH)
nanosheets are first etched by oxygen plasma to form defect-rich amorphous nanosheets, followed by electrochemical cycling to trigger simultaneously Fe
/MoO
co-doping and phase transition. This p-NiFeMo/NF catalyst requires an overpotential of only 274 mV to reach 100 mA cm
in alkaline media, exhibiting significantly enhanced OER activity compared to NiFe layered double hydroxide (LDH) catalyst and other analogs. Its activity does not fade even after 72 h uninterrupted operation. In situ Raman analysis reveals that the intercalation of MoO
is able to prevent the over-oxidation of NiOOH matrix from β to γ phase, thus keeping the Fe-doped NiOOH at the most active state.</abstract><cop>Germany</cop><pub>Wiley Subscription Services, Inc</pub><pmid>37144442</pmid><doi>10.1002/smll.202301267</doi><orcidid>https://orcid.org/0000-0001-6278-9551</orcidid></addata></record> |
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| subjects | Catalysts Doping Hydroxides Iron Iron compounds Metal foams Molybdenum Nanostructure Nanotechnology Nickel compounds Oxidation Oxygen evolution reactions Oxygen plasma Phase transitions Plasma etching Raman spectroscopy |
| title | A Unique Etching-Doping Route to Fe/Mo Co-Doped Ni Oxyhydroxide Catalyst for Enhanced Oxygen Evolution Reaction |
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