Synthesis and characterization of pulsed polymerized poly(3,4-ethylenedioxythiophene) electrodes for high-performance electrochemical capacitors
Poly(3,4-ethylenedioxythiophene) (PEDOT) is electrochemically prepared as a film on flexible thin graphite substrate by short galvanic pulse method in organic media. For comparative studies, PEDOT films are also prepared by potentiostatic polymerization method. The nucleation and growth mechanism fo...
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| creator | Pandey, G.P. Rastogi, A.C. |
| description | Poly(3,4-ethylenedioxythiophene) (PEDOT) is electrochemically prepared as a film on flexible thin graphite substrate by short galvanic pulse method in organic media. For comparative studies, PEDOT films are also prepared by potentiostatic polymerization method. The nucleation and growth mechanism for PEDOT film polymerized by short current pulses is presented with morphological and structural studies. The growth of PEDOT is continuous during the pulse off period as confirmed by the deposited mass of PEDOT by these two different methods. The SEM studies of pulse polymerized PEDOT films with different pulse on time show the features of highly porous and ridge like structures which help in rapid migration of dopant ClO4− ions during the charge and discharge processes. The X-ray photoelectron spectroscopy (XPS) studies confirm that in the pulse polymerized PEDOT films polymer chains are fully conjugated with the dopant ClO4− ions. The electrochemical characterization of PEDOT films show that pulse polymerized PEDOT films exhibited high specific capacitance (126.5Fg−1) with an improved energy density and rate kinetics as comparison to the potentiostatically deposited PEDOT films (100Fg−1) in aqueous electrolyte. |
| doi_str_mv | 10.1016/j.electacta.2012.08.125 |
| format | Article |
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For comparative studies, PEDOT films are also prepared by potentiostatic polymerization method. The nucleation and growth mechanism for PEDOT film polymerized by short current pulses is presented with morphological and structural studies. The growth of PEDOT is continuous during the pulse off period as confirmed by the deposited mass of PEDOT by these two different methods. The SEM studies of pulse polymerized PEDOT films with different pulse on time show the features of highly porous and ridge like structures which help in rapid migration of dopant ClO4− ions during the charge and discharge processes. The X-ray photoelectron spectroscopy (XPS) studies confirm that in the pulse polymerized PEDOT films polymer chains are fully conjugated with the dopant ClO4− ions. The electrochemical characterization of PEDOT films show that pulse polymerized PEDOT films exhibited high specific capacitance (126.5Fg−1) with an improved energy density and rate kinetics as comparison to the potentiostatically deposited PEDOT films (100Fg−1) in aqueous electrolyte.</description><identifier>ISSN: 0013-4686</identifier><identifier>EISSN: 1873-3859</identifier><identifier>DOI: 10.1016/j.electacta.2012.08.125</identifier><identifier>CODEN: ELCAAV</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Applied sciences ; Capacitance ; Capacitors. Resistors. Filters ; Charge ; Chemistry ; Cyclic voltammetry ; Deposition ; Dopants ; Electrical engineering. Electrical power engineering ; Electrochemistry ; Electrodes ; Electropolymerization ; Energy density ; Exact sciences and technology ; General and physical chemistry ; Poly(3,4-ethylenedioxythiophene) (PEDOT) ; Polymerization ; Supercapacitor ; Various equipment and components ; X-ray photoelectron spectroscopy</subject><ispartof>Electrochimica acta, 2013-01, Vol.87, p.158-168</ispartof><rights>2012 Elsevier Ltd</rights><rights>2014 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c411t-12dd7b7bd9ece33d7d69bb1095bc628de938d071e8cbc55d41731f0d02c69cf83</citedby><cites>FETCH-LOGICAL-c411t-12dd7b7bd9ece33d7d69bb1095bc628de938d071e8cbc55d41731f0d02c69cf83</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0013468612014594$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=26791469$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Pandey, G.P.</creatorcontrib><creatorcontrib>Rastogi, A.C.</creatorcontrib><title>Synthesis and characterization of pulsed polymerized poly(3,4-ethylenedioxythiophene) electrodes for high-performance electrochemical capacitors</title><title>Electrochimica acta</title><description>Poly(3,4-ethylenedioxythiophene) (PEDOT) is electrochemically prepared as a film on flexible thin graphite substrate by short galvanic pulse method in organic media. For comparative studies, PEDOT films are also prepared by potentiostatic polymerization method. The nucleation and growth mechanism for PEDOT film polymerized by short current pulses is presented with morphological and structural studies. The growth of PEDOT is continuous during the pulse off period as confirmed by the deposited mass of PEDOT by these two different methods. The SEM studies of pulse polymerized PEDOT films with different pulse on time show the features of highly porous and ridge like structures which help in rapid migration of dopant ClO4− ions during the charge and discharge processes. The X-ray photoelectron spectroscopy (XPS) studies confirm that in the pulse polymerized PEDOT films polymer chains are fully conjugated with the dopant ClO4− ions. The electrochemical characterization of PEDOT films show that pulse polymerized PEDOT films exhibited high specific capacitance (126.5Fg−1) with an improved energy density and rate kinetics as comparison to the potentiostatically deposited PEDOT films (100Fg−1) in aqueous electrolyte.</description><subject>Applied sciences</subject><subject>Capacitance</subject><subject>Capacitors. Resistors. Filters</subject><subject>Charge</subject><subject>Chemistry</subject><subject>Cyclic voltammetry</subject><subject>Deposition</subject><subject>Dopants</subject><subject>Electrical engineering. Electrical power engineering</subject><subject>Electrochemistry</subject><subject>Electrodes</subject><subject>Electropolymerization</subject><subject>Energy density</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Poly(3,4-ethylenedioxythiophene) (PEDOT)</subject><subject>Polymerization</subject><subject>Supercapacitor</subject><subject>Various equipment and components</subject><subject>X-ray photoelectron spectroscopy</subject><issn>0013-4686</issn><issn>1873-3859</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqFUV1r3DAQNKWFXpP-hvqlkELt7Fq2ZD2G0C8I9CHts5Clda3DtlzJV-r-iv7k6HrXvAYWdsXOzoiZLHuDUCIgv96XNJJZdaqyAqxKaEusmmfZDlvBCtY28nm2A0BW1LzlL7NXMe4BQHABu-zv_TavA0UXcz3b3Aw6JCYK7o9enZ9z3-fLYYxk88WP23RcnOcr9r4uaB22kWayzv_e1sH5ZUivd_m_LwVvKea9D_ngfgzFQiHNk54N_d-bgSZn9JgbvWjjVh_iZfai10nw9blfZN8_fvh2-7m4-_rpy-3NXWFqxLXAylrRic5KMsSYFZbLrkOQTWd41VqSrLUgkFrTmaaxNQqGPVioDJemb9lFdnXiXYL_eaC4qslFQ-OoZ_KHqJALrBuQAE9DG2S1hLpmCSpOUBN8jIF6tQQ36bApBHWMS-3VY1zqGJeCVqW40uXbs4iOyZE-JJ9cfDyvuJBYc5lwNyccJXN-OQoqGkfJU-tC4lXWuye1HgA-8rPf</recordid><startdate>20130101</startdate><enddate>20130101</enddate><creator>Pandey, G.P.</creator><creator>Rastogi, A.C.</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20130101</creationdate><title>Synthesis and characterization of pulsed polymerized poly(3,4-ethylenedioxythiophene) electrodes for high-performance electrochemical capacitors</title><author>Pandey, G.P. ; Rastogi, A.C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c411t-12dd7b7bd9ece33d7d69bb1095bc628de938d071e8cbc55d41731f0d02c69cf83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Applied sciences</topic><topic>Capacitance</topic><topic>Capacitors. Resistors. Filters</topic><topic>Charge</topic><topic>Chemistry</topic><topic>Cyclic voltammetry</topic><topic>Deposition</topic><topic>Dopants</topic><topic>Electrical engineering. Electrical power engineering</topic><topic>Electrochemistry</topic><topic>Electrodes</topic><topic>Electropolymerization</topic><topic>Energy density</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Poly(3,4-ethylenedioxythiophene) (PEDOT)</topic><topic>Polymerization</topic><topic>Supercapacitor</topic><topic>Various equipment and components</topic><topic>X-ray photoelectron spectroscopy</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Pandey, G.P.</creatorcontrib><creatorcontrib>Rastogi, A.C.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</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><jtitle>Electrochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Pandey, G.P.</au><au>Rastogi, A.C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis and characterization of pulsed polymerized poly(3,4-ethylenedioxythiophene) electrodes for high-performance electrochemical capacitors</atitle><jtitle>Electrochimica acta</jtitle><date>2013-01-01</date><risdate>2013</risdate><volume>87</volume><spage>158</spage><epage>168</epage><pages>158-168</pages><issn>0013-4686</issn><eissn>1873-3859</eissn><coden>ELCAAV</coden><abstract>Poly(3,4-ethylenedioxythiophene) (PEDOT) is electrochemically prepared as a film on flexible thin graphite substrate by short galvanic pulse method in organic media. For comparative studies, PEDOT films are also prepared by potentiostatic polymerization method. The nucleation and growth mechanism for PEDOT film polymerized by short current pulses is presented with morphological and structural studies. The growth of PEDOT is continuous during the pulse off period as confirmed by the deposited mass of PEDOT by these two different methods. The SEM studies of pulse polymerized PEDOT films with different pulse on time show the features of highly porous and ridge like structures which help in rapid migration of dopant ClO4− ions during the charge and discharge processes. The X-ray photoelectron spectroscopy (XPS) studies confirm that in the pulse polymerized PEDOT films polymer chains are fully conjugated with the dopant ClO4− ions. The electrochemical characterization of PEDOT films show that pulse polymerized PEDOT films exhibited high specific capacitance (126.5Fg−1) with an improved energy density and rate kinetics as comparison to the potentiostatically deposited PEDOT films (100Fg−1) in aqueous electrolyte.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.electacta.2012.08.125</doi><tpages>11</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals |
| subjects | Applied sciences Capacitance Capacitors. Resistors. Filters Charge Chemistry Cyclic voltammetry Deposition Dopants Electrical engineering. Electrical power engineering Electrochemistry Electrodes Electropolymerization Energy density Exact sciences and technology General and physical chemistry Poly(3,4-ethylenedioxythiophene) (PEDOT) Polymerization Supercapacitor Various equipment and components X-ray photoelectron spectroscopy |
| title | Synthesis and characterization of pulsed polymerized poly(3,4-ethylenedioxythiophene) electrodes for high-performance electrochemical capacitors |
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