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Phosphomolybdate-modified multi-walled carbon nanotubes as effective mediating systems for electrocatalytic reduction of bromate
Electrocatalytic properties (towards reduction of bromate in 0.5 mol dm −3 H 2SO 4) of multi-walled carbon nanotubes (CNTs) modified with phosphododecamolybdate (PMo 12) monolayers have been diagnosed using cyclic voltammetry and amperometry. The ability of negatively charged PMo 12-modified CNTs to...
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| Published in: | Analytica chimica acta 2009-01, Vol.631 (2), p.153-160 |
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| Main Authors: | , |
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| cites | cdi_FETCH-LOGICAL-c412t-18d51e7d36ec5b70d1b1c0e0da60afcb623d8b6cbb1978f164de004fbb79223b3 |
| container_end_page | 160 |
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| container_title | Analytica chimica acta |
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| creator | Skunik, Magdalena Kulesza, Pawel J. |
| description | Electrocatalytic properties (towards reduction of bromate in 0.5
mol
dm
−3 H
2SO
4) of multi-walled carbon nanotubes (CNTs) modified with phosphododecamolybdate (PMo
12) monolayers have been diagnosed using cyclic voltammetry and amperometry. The ability of negatively charged PMo
12-modified CNTs to attract electrostatically ultra-thin, positively charged conducting polymer (PEDOT or polypyrrole) structures is explored to grow in controlled manner hybrid organic–inorganic network electrocatalytic films. Due to the presence of three-dimensionally distributed CNTs, the films’ conductivity and porosity are improved. The hybrid systems utilizing polypyrrole, rather than PEDOT, have produced fairly higher bromate electroreduction catalytic currents. Comparison is also made to Nafion-stabilized dispersion of PMo
12-modified CNTs inks. The latter system is characterized by good stability and relatively the highest sensitivities with respect to bromate concentration. |
| doi_str_mv | 10.1016/j.aca.2008.10.031 |
| format | article |
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mol
dm
−3 H
2SO
4) of multi-walled carbon nanotubes (CNTs) modified with phosphododecamolybdate (PMo
12) monolayers have been diagnosed using cyclic voltammetry and amperometry. The ability of negatively charged PMo
12-modified CNTs to attract electrostatically ultra-thin, positively charged conducting polymer (PEDOT or polypyrrole) structures is explored to grow in controlled manner hybrid organic–inorganic network electrocatalytic films. Due to the presence of three-dimensionally distributed CNTs, the films’ conductivity and porosity are improved. The hybrid systems utilizing polypyrrole, rather than PEDOT, have produced fairly higher bromate electroreduction catalytic currents. Comparison is also made to Nafion-stabilized dispersion of PMo
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mol
dm
−3 H
2SO
4) of multi-walled carbon nanotubes (CNTs) modified with phosphododecamolybdate (PMo
12) monolayers have been diagnosed using cyclic voltammetry and amperometry. The ability of negatively charged PMo
12-modified CNTs to attract electrostatically ultra-thin, positively charged conducting polymer (PEDOT or polypyrrole) structures is explored to grow in controlled manner hybrid organic–inorganic network electrocatalytic films. Due to the presence of three-dimensionally distributed CNTs, the films’ conductivity and porosity are improved. The hybrid systems utilizing polypyrrole, rather than PEDOT, have produced fairly higher bromate electroreduction catalytic currents. Comparison is also made to Nafion-stabilized dispersion of PMo
12-modified CNTs inks. The latter system is characterized by good stability and relatively the highest sensitivities with respect to bromate concentration.</description><subject>Analytical chemistry</subject><subject>Bromate reduction</subject><subject>Bromates - chemistry</subject><subject>Carbon nanotubes</subject><subject>Catalysis</subject><subject>Chemistry</subject><subject>Conducting polymers</subject><subject>Electrochemical methods</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Exact sciences and technology</subject><subject>Fluorocarbon Polymers - chemistry</subject><subject>Linear Models</subject><subject>Molybdenum - chemistry</subject><subject>Nanotubes, Carbon - chemistry</subject><subject>Organic Chemicals - chemistry</subject><subject>Oxidation-Reduction</subject><subject>Phosphoric Acids - chemistry</subject><subject>Polyoxometallate</subject><subject>Sensitivity and Specificity</subject><subject>Time Factors</subject><issn>0003-2670</issn><issn>1873-4324</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNqFkc1uEzEUhS0EoiHwAGyQN7CbcD2e8UzEClVAkSrRRbu2_HNNHXnGwfYUZcej11Ei2JWNrWufc2ydj5C3DDYMmPi42yijNi3AWOcNcPaMrNg48KbjbfecrACAN60Y4IK8ynlXx5ZB95JcsC2MnWhhRf7c3Me8v49TDAdtVcFmitY7j5ZOSyi--a1CqINRSceZzmqOZdGYqcoUnUNT_APSCa1Xxc8_aT7kglOmLiaKoV6naFRR4VC8oQntUg01JzqqU5zqe6_JC6dCxjfnfU3uvn65vbxqrn98-375-boxHWtLw0bbMxwsF2h6PYBlmhlAsEqAckaLlttRC6M12w6jY6KzCNA5rYdt23LN1-TDKXef4q8Fc5GTzwZDUDPGJUshBi5g4P8V8r7nfVeXNWEnoUkx54RO7pOfVDpIBvLIR-5k5SOPfI5HlU_1vDuHL7qW9s9xBlIF788ClY0KLqnZ-PxXV_lxdgr6dNJh7ezBY5LZeJxNBZFq69JG_8Q3HgENELDD</recordid><startdate>20090112</startdate><enddate>20090112</enddate><creator>Skunik, Magdalena</creator><creator>Kulesza, Pawel J.</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7X8</scope></search><sort><creationdate>20090112</creationdate><title>Phosphomolybdate-modified multi-walled carbon nanotubes as effective mediating systems for electrocatalytic reduction of bromate</title><author>Skunik, Magdalena ; Kulesza, Pawel J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-18d51e7d36ec5b70d1b1c0e0da60afcb623d8b6cbb1978f164de004fbb79223b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Analytical chemistry</topic><topic>Bromate reduction</topic><topic>Bromates - chemistry</topic><topic>Carbon nanotubes</topic><topic>Catalysis</topic><topic>Chemistry</topic><topic>Conducting polymers</topic><topic>Electrochemical methods</topic><topic>Electrochemistry</topic><topic>Electrodes</topic><topic>Exact sciences and technology</topic><topic>Fluorocarbon Polymers - chemistry</topic><topic>Linear Models</topic><topic>Molybdenum - chemistry</topic><topic>Nanotubes, Carbon - chemistry</topic><topic>Organic Chemicals - chemistry</topic><topic>Oxidation-Reduction</topic><topic>Phosphoric Acids - chemistry</topic><topic>Polyoxometallate</topic><topic>Sensitivity and Specificity</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Skunik, Magdalena</creatorcontrib><creatorcontrib>Kulesza, Pawel J.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>MEDLINE - Academic</collection><jtitle>Analytica chimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Skunik, Magdalena</au><au>Kulesza, Pawel J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phosphomolybdate-modified multi-walled carbon nanotubes as effective mediating systems for electrocatalytic reduction of bromate</atitle><jtitle>Analytica chimica acta</jtitle><addtitle>Anal Chim Acta</addtitle><date>2009-01-12</date><risdate>2009</risdate><volume>631</volume><issue>2</issue><spage>153</spage><epage>160</epage><pages>153-160</pages><issn>0003-2670</issn><eissn>1873-4324</eissn><coden>ACACAM</coden><abstract>Electrocatalytic properties (towards reduction of bromate in 0.5
mol
dm
−3 H
2SO
4) of multi-walled carbon nanotubes (CNTs) modified with phosphododecamolybdate (PMo
12) monolayers have been diagnosed using cyclic voltammetry and amperometry. The ability of negatively charged PMo
12-modified CNTs to attract electrostatically ultra-thin, positively charged conducting polymer (PEDOT or polypyrrole) structures is explored to grow in controlled manner hybrid organic–inorganic network electrocatalytic films. Due to the presence of three-dimensionally distributed CNTs, the films’ conductivity and porosity are improved. The hybrid systems utilizing polypyrrole, rather than PEDOT, have produced fairly higher bromate electroreduction catalytic currents. Comparison is also made to Nafion-stabilized dispersion of PMo
12-modified CNTs inks. The latter system is characterized by good stability and relatively the highest sensitivities with respect to bromate concentration.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>19084620</pmid><doi>10.1016/j.aca.2008.10.031</doi><tpages>8</tpages></addata></record> |
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| issn | 0003-2670 1873-4324 |
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| source | Elsevier |
| subjects | Analytical chemistry Bromate reduction Bromates - chemistry Carbon nanotubes Catalysis Chemistry Conducting polymers Electrochemical methods Electrochemistry Electrodes Exact sciences and technology Fluorocarbon Polymers - chemistry Linear Models Molybdenum - chemistry Nanotubes, Carbon - chemistry Organic Chemicals - chemistry Oxidation-Reduction Phosphoric Acids - chemistry Polyoxometallate Sensitivity and Specificity Time Factors |
| title | Phosphomolybdate-modified multi-walled carbon nanotubes as effective mediating systems for electrocatalytic reduction of bromate |
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