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Enhanced active edge sites on MoSe2 nanostructures for stable electrocatalytic and photocatalytic hydrogen evolution reaction
In this work, we report a simple one-pot hydrothermal synthesis of MoX 2 and NiX 2 (X = O, S, and Se) for facilitating the catalytic hydrogen evolution reaction (HER) in acidic medium. The prepared metal chalcogenides were explored as both electrocatalyst and photocatalyst due to their excellent opt...
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| Published in: | Ionics 2024, Vol.30 (1), p.457-469 |
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| creator | Gowrisankar, A. Subhashini, D. Sureka, K. Selvaraju, T. |
| description | In this work, we report a simple one-pot hydrothermal synthesis of MoX
2
and NiX
2
(X = O, S, and Se) for facilitating the catalytic hydrogen evolution reaction (HER) in acidic medium. The prepared metal chalcogenides were explored as both electrocatalyst and photocatalyst due to their excellent optical and electrical properties. Among the chalcogenides, MoSe
2
shows significantly enhanced electrocatalytic as well as photocatalytic activity. It is because the existence of porous surface enables abundant active sites for the evolution of hydrogen (H
2
) gas. As a result, MoSe
2
-loaded electrode shows a low overpotential (
η
) of 216 mV vs RHE at 5 mA cm
−2
with the Tafel slope of 105 mV dec
−1
and high durability for about 1000 cycles. Further, the photocatalytic H
2
production measurements were carried out for all the prepared metal chalcogenides under the visible light irradiation. The optical band gap is calculated as 1.13 eV for MoSe
2
which is responsible for the superior photocatalytic performance with the H
2
production of 2676 μmol h
−1
g
−1
. Interestingly, MoSe
2
retains 96% of its photocatalytic activity even after 12 h of irradiation. The impact of morphology and the detailed study of band gap position have been correlated to the rate of the H
2
evolution.
Graphical abstract |
| doi_str_mv | 10.1007/s11581-023-05335-x |
| format | article |
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2
and NiX
2
(X = O, S, and Se) for facilitating the catalytic hydrogen evolution reaction (HER) in acidic medium. The prepared metal chalcogenides were explored as both electrocatalyst and photocatalyst due to their excellent optical and electrical properties. Among the chalcogenides, MoSe
2
shows significantly enhanced electrocatalytic as well as photocatalytic activity. It is because the existence of porous surface enables abundant active sites for the evolution of hydrogen (H
2
) gas. As a result, MoSe
2
-loaded electrode shows a low overpotential (
η
) of 216 mV vs RHE at 5 mA cm
−2
with the Tafel slope of 105 mV dec
−1
and high durability for about 1000 cycles. Further, the photocatalytic H
2
production measurements were carried out for all the prepared metal chalcogenides under the visible light irradiation. The optical band gap is calculated as 1.13 eV for MoSe
2
which is responsible for the superior photocatalytic performance with the H
2
production of 2676 μmol h
−1
g
−1
. Interestingly, MoSe
2
retains 96% of its photocatalytic activity even after 12 h of irradiation. The impact of morphology and the detailed study of band gap position have been correlated to the rate of the H
2
evolution.
Graphical abstract</description><identifier>ISSN: 0947-7047</identifier><identifier>EISSN: 1862-0760</identifier><identifier>DOI: 10.1007/s11581-023-05335-x</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Catalytic activity ; Chalcogenides ; Chemistry ; Chemistry and Materials Science ; Condensed Matter Physics ; Electrical properties ; Electrocatalysts ; Electrochemistry ; Energy gap ; Energy Storage ; Hydrogen evolution reactions ; Hydrogen production ; Light irradiation ; Molybdenum compounds ; Optical and Electronic Materials ; Optical properties ; Original Paper ; Photocatalysis ; Renewable and Green Energy</subject><ispartof>Ionics, 2024, Vol.30 (1), p.457-469</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2023. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c270t-91be8db70c9531e8c0d6f726b07196e159faa3c293a51e951184c318d54e9e13</cites></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></links><search><creatorcontrib>Gowrisankar, A.</creatorcontrib><creatorcontrib>Subhashini, D.</creatorcontrib><creatorcontrib>Sureka, K.</creatorcontrib><creatorcontrib>Selvaraju, T.</creatorcontrib><title>Enhanced active edge sites on MoSe2 nanostructures for stable electrocatalytic and photocatalytic hydrogen evolution reaction</title><title>Ionics</title><addtitle>Ionics</addtitle><description>In this work, we report a simple one-pot hydrothermal synthesis of MoX
2
and NiX
2
(X = O, S, and Se) for facilitating the catalytic hydrogen evolution reaction (HER) in acidic medium. The prepared metal chalcogenides were explored as both electrocatalyst and photocatalyst due to their excellent optical and electrical properties. Among the chalcogenides, MoSe
2
shows significantly enhanced electrocatalytic as well as photocatalytic activity. It is because the existence of porous surface enables abundant active sites for the evolution of hydrogen (H
2
) gas. As a result, MoSe
2
-loaded electrode shows a low overpotential (
η
) of 216 mV vs RHE at 5 mA cm
−2
with the Tafel slope of 105 mV dec
−1
and high durability for about 1000 cycles. Further, the photocatalytic H
2
production measurements were carried out for all the prepared metal chalcogenides under the visible light irradiation. The optical band gap is calculated as 1.13 eV for MoSe
2
which is responsible for the superior photocatalytic performance with the H
2
production of 2676 μmol h
−1
g
−1
. Interestingly, MoSe
2
retains 96% of its photocatalytic activity even after 12 h of irradiation. The impact of morphology and the detailed study of band gap position have been correlated to the rate of the H
2
evolution.
Graphical abstract</description><subject>Catalytic activity</subject><subject>Chalcogenides</subject><subject>Chemistry</subject><subject>Chemistry and Materials Science</subject><subject>Condensed Matter Physics</subject><subject>Electrical properties</subject><subject>Electrocatalysts</subject><subject>Electrochemistry</subject><subject>Energy gap</subject><subject>Energy Storage</subject><subject>Hydrogen evolution reactions</subject><subject>Hydrogen production</subject><subject>Light irradiation</subject><subject>Molybdenum compounds</subject><subject>Optical and Electronic Materials</subject><subject>Optical properties</subject><subject>Original Paper</subject><subject>Photocatalysis</subject><subject>Renewable and Green Energy</subject><issn>0947-7047</issn><issn>1862-0760</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNp9kEFrGzEQhUVJoG7aP9CToOdtZqTVanUMwW0CCTnUdyFrZ-01W8mRtCY-9L9nXQfaU04Dj--9gY-xrwjfEUBfZ0TVYgVCVqCkVNXLB7bAthEV6AYu2AJMrSsNtf7IPuW8A2gaFHrB_izD1gVPHXe-DAfi1G2I56FQ5jHwx_iLBA8uxFzS5MuU5ryPiefi1uNMj-RLit4VNx7L4LkLHd9vY_kv2h67FDcUOB3iOJVhnk10-hbDZ3bZuzHTl7d7xVY_lqvbu-rh6ef97c1D5YWGUhlcU9utNXijJFLroWt6LZo1aDQNoTK9c9ILI51CMgqxrb3EtlM1GUJ5xb6dZ_cpPk-Ui93FKYX5oxUGZd1o1cJMiTPlU8w5UW_3afjt0tEi2JNle7ZsZ8v2r2X7MpfkuZRnOGwo_Zt-p_UKRLKC7Q</recordid><startdate>2024</startdate><enddate>2024</enddate><creator>Gowrisankar, A.</creator><creator>Subhashini, D.</creator><creator>Sureka, K.</creator><creator>Selvaraju, T.</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2024</creationdate><title>Enhanced active edge sites on MoSe2 nanostructures for stable electrocatalytic and photocatalytic hydrogen evolution reaction</title><author>Gowrisankar, A. ; Subhashini, D. ; Sureka, K. ; Selvaraju, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c270t-91be8db70c9531e8c0d6f726b07196e159faa3c293a51e951184c318d54e9e13</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2024</creationdate><topic>Catalytic activity</topic><topic>Chalcogenides</topic><topic>Chemistry</topic><topic>Chemistry and Materials Science</topic><topic>Condensed Matter Physics</topic><topic>Electrical properties</topic><topic>Electrocatalysts</topic><topic>Electrochemistry</topic><topic>Energy gap</topic><topic>Energy Storage</topic><topic>Hydrogen evolution reactions</topic><topic>Hydrogen production</topic><topic>Light irradiation</topic><topic>Molybdenum compounds</topic><topic>Optical and Electronic Materials</topic><topic>Optical properties</topic><topic>Original Paper</topic><topic>Photocatalysis</topic><topic>Renewable and Green Energy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gowrisankar, A.</creatorcontrib><creatorcontrib>Subhashini, D.</creatorcontrib><creatorcontrib>Sureka, K.</creatorcontrib><creatorcontrib>Selvaraju, T.</creatorcontrib><collection>CrossRef</collection><jtitle>Ionics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gowrisankar, A.</au><au>Subhashini, D.</au><au>Sureka, K.</au><au>Selvaraju, T.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhanced active edge sites on MoSe2 nanostructures for stable electrocatalytic and photocatalytic hydrogen evolution reaction</atitle><jtitle>Ionics</jtitle><stitle>Ionics</stitle><date>2024</date><risdate>2024</risdate><volume>30</volume><issue>1</issue><spage>457</spage><epage>469</epage><pages>457-469</pages><issn>0947-7047</issn><eissn>1862-0760</eissn><abstract>In this work, we report a simple one-pot hydrothermal synthesis of MoX
2
and NiX
2
(X = O, S, and Se) for facilitating the catalytic hydrogen evolution reaction (HER) in acidic medium. The prepared metal chalcogenides were explored as both electrocatalyst and photocatalyst due to their excellent optical and electrical properties. Among the chalcogenides, MoSe
2
shows significantly enhanced electrocatalytic as well as photocatalytic activity. It is because the existence of porous surface enables abundant active sites for the evolution of hydrogen (H
2
) gas. As a result, MoSe
2
-loaded electrode shows a low overpotential (
η
) of 216 mV vs RHE at 5 mA cm
−2
with the Tafel slope of 105 mV dec
−1
and high durability for about 1000 cycles. Further, the photocatalytic H
2
production measurements were carried out for all the prepared metal chalcogenides under the visible light irradiation. The optical band gap is calculated as 1.13 eV for MoSe
2
which is responsible for the superior photocatalytic performance with the H
2
production of 2676 μmol h
−1
g
−1
. Interestingly, MoSe
2
retains 96% of its photocatalytic activity even after 12 h of irradiation. The impact of morphology and the detailed study of band gap position have been correlated to the rate of the H
2
evolution.
Graphical abstract</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s11581-023-05335-x</doi><tpages>13</tpages></addata></record> |
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| identifier | ISSN: 0947-7047 |
| ispartof | Ionics, 2024, Vol.30 (1), p.457-469 |
| issn | 0947-7047 1862-0760 |
| language | eng |
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| source | Springer Nature:Jisc Collections:Springer Nature Read and Publish 2023-2025: Springer Reading List |
| subjects | Catalytic activity Chalcogenides Chemistry Chemistry and Materials Science Condensed Matter Physics Electrical properties Electrocatalysts Electrochemistry Energy gap Energy Storage Hydrogen evolution reactions Hydrogen production Light irradiation Molybdenum compounds Optical and Electronic Materials Optical properties Original Paper Photocatalysis Renewable and Green Energy |
| title | Enhanced active edge sites on MoSe2 nanostructures for stable electrocatalytic and photocatalytic hydrogen evolution reaction |
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