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Highly efficient electrocatalytic hydrogen evolution from neutral aqueous solution by a water-soluble anionic cobalt(ii) porphyrinElectronic supplementary information (ESI) available: UV, CV, CPE, and GC calibration data. See DOI: 10.1039/c5cc05582b
We report the use of a water-soluble anionic cobalt( ii ) tetrakis( p -sulfonatophenyl)porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H 2 generation from neutral H 2 O without any organic additives. The molecule features nearly quantitative Faradaic efficiency wi...
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| creator | Beyene, Belete B Mane, Sandeep B Hung, Chen-Hsiung |
| description | We report the use of a water-soluble anionic cobalt(
ii
) tetrakis(
p
-sulfonatophenyl)porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H
2
generation from neutral H
2
O without any organic additives. The molecule features nearly quantitative Faradaic efficiency with a turnover frequency of ∼1.83 s
−1
measured over 1 h and a turnover number of 1.9 × 10
4
moles of H
2
per mole of catalyst with no loss of activity over 73 h at an applied potential of −1.29 V (
vs.
SHE) in neutral phosphate buffer solution.
CoTPPS is an efficient electrocatalyst for H
2
generation from neutral phosphate buffer solution. It features quantitative Faradaic efficiency with a TOF of ∼1.83 s
−1
and a TON of 1.9 × 10
4
mol of H
2
per mole of catalyst at an applied potential of −1.29 V (
vs.
SHE). |
| doi_str_mv | 10.1039/c5cc05582b |
| format | article |
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ii
) tetrakis(
p
-sulfonatophenyl)porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H
2
generation from neutral H
2
O without any organic additives. The molecule features nearly quantitative Faradaic efficiency with a turnover frequency of ∼1.83 s
−1
measured over 1 h and a turnover number of 1.9 × 10
4
moles of H
2
per mole of catalyst with no loss of activity over 73 h at an applied potential of −1.29 V (
vs.
SHE) in neutral phosphate buffer solution.
CoTPPS is an efficient electrocatalyst for H
2
generation from neutral phosphate buffer solution. It features quantitative Faradaic efficiency with a TOF of ∼1.83 s
−1
and a TON of 1.9 × 10
4
mol of H
2
per mole of catalyst at an applied potential of −1.29 V (
vs.
SHE).</description><identifier>ISSN: 1359-7345</identifier><identifier>EISSN: 1364-548X</identifier><identifier>DOI: 10.1039/c5cc05582b</identifier><language>eng</language><creationdate>2015-09</creationdate><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></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>Beyene, Belete B</creatorcontrib><creatorcontrib>Mane, Sandeep B</creatorcontrib><creatorcontrib>Hung, Chen-Hsiung</creatorcontrib><title>Highly efficient electrocatalytic hydrogen evolution from neutral aqueous solution by a water-soluble anionic cobalt(ii) porphyrinElectronic supplementary information (ESI) available: UV, CV, CPE, and GC calibration data. See DOI: 10.1039/c5cc05582b</title><description>We report the use of a water-soluble anionic cobalt(
ii
) tetrakis(
p
-sulfonatophenyl)porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H
2
generation from neutral H
2
O without any organic additives. The molecule features nearly quantitative Faradaic efficiency with a turnover frequency of ∼1.83 s
−1
measured over 1 h and a turnover number of 1.9 × 10
4
moles of H
2
per mole of catalyst with no loss of activity over 73 h at an applied potential of −1.29 V (
vs.
SHE) in neutral phosphate buffer solution.
CoTPPS is an efficient electrocatalyst for H
2
generation from neutral phosphate buffer solution. It features quantitative Faradaic efficiency with a TOF of ∼1.83 s
−1
and a TON of 1.9 × 10
4
mol of H
2
per mole of catalyst at an applied potential of −1.29 V (
vs.
SHE).</description><issn>1359-7345</issn><issn>1364-548X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><sourceid/><recordid>eNqFkE1PwzAMhisEEuPjwh3J3DZpHS1dYNt1FLYTSAPEbXJTdwtKk5KkQ_3p3EgZiAMSRLJi-bFfv3IQnMTRII6S8TlnnEeMjS6ynaATJ5fDkA1Hz7ttzsbhVTJk-8GBtS-RfzEbdYL3mVitZQNUFIILUg5IEndGc3QoGyc4rJvc6BUpoI2WtRNaQWF0CYpqZ1ACvtakawv2m2YNILyhIxO2tUwSoPLAa3GdoXRdIXpQaVOtGyNUul3YYltXlaTS20DTgFCFNiV-anbTxbwHuEEh0QtO4PGpD9M27tO-l8_hdgocpcjMdiD3_gewIILru_kEfh_oKNgrUFo6_voPg9Ob9GE6C43ly8qI0ltY_rQn__Ozv_iyyovkA97zhzM</recordid><startdate>20150929</startdate><enddate>20150929</enddate><creator>Beyene, Belete B</creator><creator>Mane, Sandeep B</creator><creator>Hung, Chen-Hsiung</creator><scope/></search><sort><creationdate>20150929</creationdate><title>Highly efficient electrocatalytic hydrogen evolution from neutral aqueous solution by a water-soluble anionic cobalt(ii) porphyrinElectronic supplementary information (ESI) available: UV, CV, CPE, and GC calibration data. See DOI: 10.1039/c5cc05582b</title><author>Beyene, Belete B ; Mane, Sandeep B ; Hung, Chen-Hsiung</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-rsc_primary_c5cc05582b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Beyene, Belete B</creatorcontrib><creatorcontrib>Mane, Sandeep B</creatorcontrib><creatorcontrib>Hung, Chen-Hsiung</creatorcontrib></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Beyene, Belete B</au><au>Mane, Sandeep B</au><au>Hung, Chen-Hsiung</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Highly efficient electrocatalytic hydrogen evolution from neutral aqueous solution by a water-soluble anionic cobalt(ii) porphyrinElectronic supplementary information (ESI) available: UV, CV, CPE, and GC calibration data. See DOI: 10.1039/c5cc05582b</atitle><date>2015-09-29</date><risdate>2015</risdate><volume>51</volume><issue>81</issue><spage>1567</spage><epage>157</epage><pages>1567-157</pages><issn>1359-7345</issn><eissn>1364-548X</eissn><abstract>We report the use of a water-soluble anionic cobalt(
ii
) tetrakis(
p
-sulfonatophenyl)porphyrin (CoTPPS) as a stable, active, and efficient catalyst for electrocatalytic H
2
generation from neutral H
2
O without any organic additives. The molecule features nearly quantitative Faradaic efficiency with a turnover frequency of ∼1.83 s
−1
measured over 1 h and a turnover number of 1.9 × 10
4
moles of H
2
per mole of catalyst with no loss of activity over 73 h at an applied potential of −1.29 V (
vs.
SHE) in neutral phosphate buffer solution.
CoTPPS is an efficient electrocatalyst for H
2
generation from neutral phosphate buffer solution. It features quantitative Faradaic efficiency with a TOF of ∼1.83 s
−1
and a TON of 1.9 × 10
4
mol of H
2
per mole of catalyst at an applied potential of −1.29 V (
vs.
SHE).</abstract><doi>10.1039/c5cc05582b</doi><tpages>4</tpages></addata></record> |
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| source | Royal Society of Chemistry:Jisc Collections:Royal Society of Chemistry Read and Publish 2022-2024 (reading list) |
| title | Highly efficient electrocatalytic hydrogen evolution from neutral aqueous solution by a water-soluble anionic cobalt(ii) porphyrinElectronic supplementary information (ESI) available: UV, CV, CPE, and GC calibration data. See DOI: 10.1039/c5cc05582b |
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