Investigation of properties of Co porphyrine pyrolysis products and identification of nature of molecular oxygen reduction active centers in basic electrolyte
The methods of X-ray photoelectron spectroscopy, benzene vapor-phase adsorption, cyclic voltammetry, rotating disk electrode, and rotating ring-disk electrode were used in this work to investigate the properties of cobalt (II) tetrakis(4-methoxyphenyl)porphyrin pyrolysis products obtained in an iner...
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| Veröffentlicht in: | Protection of metals and physical chemistry of surfaces 2015-03, Vol.51 (2), p.240-247 |
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| creator | Davydova, E. S. Tarasevich, M. R. |
| description | The methods of X-ray photoelectron spectroscopy, benzene vapor-phase adsorption, cyclic voltammetry, rotating disk electrode, and rotating ring-disk electrode were used in this work to investigate the properties of cobalt (II) tetrakis(4-methoxyphenyl)porphyrin pyrolysis products obtained in an inert atmosphere at 850°C on the surface of Vulcan XC72. The effect is considered of the amount of the initial metalloporphyrin, removal of metal-containing pyrolysis products in the course of acid treatment, and thickness of the catalyst layer on the activity and selectivity of the catalysts in O
2
reduction reaction in 1 M KOH. Ideas regarding the nature of active centers for O
2
and HO
2
−
reduction are formulated. |
| doi_str_mv | 10.1134/S2070205115020045 |
| format | Article |
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2
reduction reaction in 1 M KOH. Ideas regarding the nature of active centers for O
2
and HO
2
−
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2
reduction reaction in 1 M KOH. Ideas regarding the nature of active centers for O
2
and HO
2
−
reduction are formulated.</description><subject>Catalysts</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Coatings</subject><subject>Corrosion and Coatings</subject><subject>Electrodes</subject><subject>Industrial Chemistry/Chemical Engineering</subject><subject>Inorganic Chemistry</subject><subject>Materials</subject><subject>Materials Science</subject><subject>Metallic Materials</subject><subject>New Substances</subject><subject>Pyrolysis</subject><subject>Reduction</subject><subject>Reduction (electrolytic)</subject><subject>Rotating disks</subject><subject>Surface chemistry</subject><subject>Tribology</subject><subject>Voltammetry</subject><issn>2070-2051</issn><issn>2070-206X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kc1KxDAUhYsoOI4-gLuAGzfVpE3TdCmDPwMDLlRwVzLp7Zihk9QkHezL-KwmjAyiuMm5Cd-5Sc5NknOCrwjJ6fVThkuc4YKQIgimxUEyiUdphtnr4b4uyHFy4twaY8ZKXk6Sz7negvNqJbwyGpkW9db0YL0CF3czg3pj-7fRKg2oH63pRqdcpJpBeoeEbpBqQHvVKrlvooUfLMRqYzqQQycsMh_jCjSyEI2RE0G2gGQwg3VIabQUTkkEweHjRR5Ok6NWdA7OvnWavNzdPs8e0sXj_Xx2s0hlTiufygaKtqJhZQJ4Q5dVRXkOGTS4EQ2uJF7KsmQ5KVlGKMvpkvMqF5SX0GJeFvk0udz1Df96H0Ig9UY5CV0nNJjB1YTxgoegeR7Qi1_o2gxWh9cFinEcws8iRXaUtMY5C23dW7URdqwJruPE6j8TC55s53GB1SuwPzr_a_oCW7Gbfw</recordid><startdate>20150301</startdate><enddate>20150301</enddate><creator>Davydova, E. S.</creator><creator>Tarasevich, M. R.</creator><general>Pleiades Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20150301</creationdate><title>Investigation of properties of Co porphyrine pyrolysis products and identification of nature of molecular oxygen reduction active centers in basic electrolyte</title><author>Davydova, E. S. ; Tarasevich, M. R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c349t-cde5f94de56ae8d4b99483e2ed0dad09c0bc7763176214634b8893a487ef08753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Catalysts</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Coatings</topic><topic>Corrosion and Coatings</topic><topic>Electrodes</topic><topic>Industrial Chemistry/Chemical Engineering</topic><topic>Inorganic Chemistry</topic><topic>Materials</topic><topic>Materials Science</topic><topic>Metallic Materials</topic><topic>New Substances</topic><topic>Pyrolysis</topic><topic>Reduction</topic><topic>Reduction (electrolytic)</topic><topic>Rotating disks</topic><topic>Surface chemistry</topic><topic>Tribology</topic><topic>Voltammetry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Davydova, E. S.</creatorcontrib><creatorcontrib>Tarasevich, M. R.</creatorcontrib><collection>CrossRef</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Protection of metals and physical chemistry of surfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Davydova, E. S.</au><au>Tarasevich, M. R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Investigation of properties of Co porphyrine pyrolysis products and identification of nature of molecular oxygen reduction active centers in basic electrolyte</atitle><jtitle>Protection of metals and physical chemistry of surfaces</jtitle><stitle>Prot Met Phys Chem Surf</stitle><date>2015-03-01</date><risdate>2015</risdate><volume>51</volume><issue>2</issue><spage>240</spage><epage>247</epage><pages>240-247</pages><issn>2070-2051</issn><eissn>2070-206X</eissn><abstract>The methods of X-ray photoelectron spectroscopy, benzene vapor-phase adsorption, cyclic voltammetry, rotating disk electrode, and rotating ring-disk electrode were used in this work to investigate the properties of cobalt (II) tetrakis(4-methoxyphenyl)porphyrin pyrolysis products obtained in an inert atmosphere at 850°C on the surface of Vulcan XC72. The effect is considered of the amount of the initial metalloporphyrin, removal of metal-containing pyrolysis products in the course of acid treatment, and thickness of the catalyst layer on the activity and selectivity of the catalysts in O
2
reduction reaction in 1 M KOH. Ideas regarding the nature of active centers for O
2
and HO
2
−
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| identifier | ISSN: 2070-2051 |
| ispartof | Protection of metals and physical chemistry of surfaces, 2015-03, Vol.51 (2), p.240-247 |
| issn | 2070-2051 2070-206X |
| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Catalysts Characterization and Evaluation of Materials Chemistry and Materials Science Coatings Corrosion and Coatings Electrodes Industrial Chemistry/Chemical Engineering Inorganic Chemistry Materials Materials Science Metallic Materials New Substances Pyrolysis Reduction Reduction (electrolytic) Rotating disks Surface chemistry Tribology Voltammetry |
| title | Investigation of properties of Co porphyrine pyrolysis products and identification of nature of molecular oxygen reduction active centers in basic electrolyte |
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