Interfacial characterization and supercapacitive behavior of PEDOT nanotubes modified electrodes
PEDOT nanotubes were chemically synthesized using a hexane/water reverse microemulsion polymerization and deposited onto ITO substrate. FTIR polarized specular reflectance spectra are consistent with AOT molecules organized inside the PEDOT nanotubes. The electrochemical properties of PEDOT nanotube...
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| Veröffentlicht in: | Journal of electroanalytical chemistry (Lausanne, Switzerland) Switzerland), 2018-08, Vol.823, p.573-579 |
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| container_title | Journal of electroanalytical chemistry (Lausanne, Switzerland) |
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| creator | Hryniewicz, Bruna M. Winnischofer, Herbert Vidotti, Marcio |
| description | PEDOT nanotubes were chemically synthesized using a hexane/water reverse microemulsion polymerization and deposited onto ITO substrate. FTIR polarized specular reflectance spectra are consistent with AOT molecules organized inside the PEDOT nanotubes. The electrochemical properties of PEDOT nanotubes were evaluated by cyclic voltammetry and electrochemical impedance spectroscopy in comparison with PEDOT:PSS modified electrodes. The results indicates an increase in the capacitance and a decrease in the charge transfer resistance for the PEDOT nanotubes in comparison with PEDOT:PSS films due to the higher exposure of the electroactive sites in the nanostructured material. Galvanostatic charge/discharge curves were performed and a maximum specific capacitance of 160 F·g−1 was revealed, indicating that this material has potential to be used in supercapacitors development.
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•PEDOT nanotubes were chemically synthesized by reverse microemulsion polymerization;•Specular reflectance spectroscopy indicated a preferential orientation of the nanotubes onto electrodes;•PEDOT nanotubes showed superior supercapacitive properties compared to electrochemically synthesized PEDOT:PSS. |
| doi_str_mv | 10.1016/j.jelechem.2018.07.008 |
| format | Article |
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[Display omitted]
•PEDOT nanotubes were chemically synthesized by reverse microemulsion polymerization;•Specular reflectance spectroscopy indicated a preferential orientation of the nanotubes onto electrodes;•PEDOT nanotubes showed superior supercapacitive properties compared to electrochemically synthesized PEDOT:PSS.</description><identifier>ISSN: 1572-6657</identifier><identifier>EISSN: 1873-2569</identifier><identifier>DOI: 10.1016/j.jelechem.2018.07.008</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Capacitance ; Charge materials ; Charge transfer ; Chemical synthesis ; Electric properties ; Electrochemical analysis ; Electrochemical impedance spectroscopy ; Electrodes ; Emulsion polymerization ; Microemulsions ; Nanostructured materials ; Nanotubes ; Organic chemistry ; PEDOT ; Polarized FTIR ; Reflectance ; Reverse micelle ; Substrates ; Supercapacitors</subject><ispartof>Journal of electroanalytical chemistry (Lausanne, Switzerland), 2018-08, Vol.823, p.573-579</ispartof><rights>2018</rights><rights>Copyright Elsevier Science Ltd. Aug 15, 2018</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c340t-2875aa580305c9b2111357a8b32900da513ddaca8a479565decc7974ce03a4723</citedby><cites>FETCH-LOGICAL-c340t-2875aa580305c9b2111357a8b32900da513ddaca8a479565decc7974ce03a4723</cites><orcidid>0000-0002-9944-5186</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S1572665718304740$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27903,27904,65309</link.rule.ids></links><search><creatorcontrib>Hryniewicz, Bruna M.</creatorcontrib><creatorcontrib>Winnischofer, Herbert</creatorcontrib><creatorcontrib>Vidotti, Marcio</creatorcontrib><title>Interfacial characterization and supercapacitive behavior of PEDOT nanotubes modified electrodes</title><title>Journal of electroanalytical chemistry (Lausanne, Switzerland)</title><description>PEDOT nanotubes were chemically synthesized using a hexane/water reverse microemulsion polymerization and deposited onto ITO substrate. FTIR polarized specular reflectance spectra are consistent with AOT molecules organized inside the PEDOT nanotubes. The electrochemical properties of PEDOT nanotubes were evaluated by cyclic voltammetry and electrochemical impedance spectroscopy in comparison with PEDOT:PSS modified electrodes. The results indicates an increase in the capacitance and a decrease in the charge transfer resistance for the PEDOT nanotubes in comparison with PEDOT:PSS films due to the higher exposure of the electroactive sites in the nanostructured material. Galvanostatic charge/discharge curves were performed and a maximum specific capacitance of 160 F·g−1 was revealed, indicating that this material has potential to be used in supercapacitors development.
[Display omitted]
•PEDOT nanotubes were chemically synthesized by reverse microemulsion polymerization;•Specular reflectance spectroscopy indicated a preferential orientation of the nanotubes onto electrodes;•PEDOT nanotubes showed superior supercapacitive properties compared to electrochemically synthesized PEDOT:PSS.</description><subject>Capacitance</subject><subject>Charge materials</subject><subject>Charge transfer</subject><subject>Chemical synthesis</subject><subject>Electric properties</subject><subject>Electrochemical analysis</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Electrodes</subject><subject>Emulsion polymerization</subject><subject>Microemulsions</subject><subject>Nanostructured materials</subject><subject>Nanotubes</subject><subject>Organic chemistry</subject><subject>PEDOT</subject><subject>Polarized FTIR</subject><subject>Reflectance</subject><subject>Reverse micelle</subject><subject>Substrates</subject><subject>Supercapacitors</subject><issn>1572-6657</issn><issn>1873-2569</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2018</creationdate><recordtype>article</recordtype><recordid>eNqFUMtOwzAQjBBIPH8BWeKcsHbq2LmBeEtI5VDOZmtvVEdtXOy0Enw9rgpnTvvQzOzOFMUlh4oDb677qqcl2QWtKgFcV6AqAH1QnHCt6lLIpj3MvVSibBqpjovTlHoAoTUXJ8XHyzBS7NB6XDK7wIg2z_4bRx8GhoNjabOmaHGdIaPfEpvTArc-RBY69vZwP52xAYcwbuaU2Co433lybPfQGIOjdF4cdbhMdPFbz4r3x4fZ3XP5On16ubt9LW09gbEUWklEqaEGadu54JzXUqGe16IFcCh57Rxa1DhRrWykI2tVqyaWoM4rUZ8VV3vddQyfG0qj6cMmDvmkyWLNBBrF24xq9igbQ0qROrOOfoXxy3AwuzRNb_7SNLs0DSiT08zEmz2Rsoetp2iS9TRYcj5mq8YF_5_ED9vmgfY</recordid><startdate>20180815</startdate><enddate>20180815</enddate><creator>Hryniewicz, Bruna M.</creator><creator>Winnischofer, Herbert</creator><creator>Vidotti, Marcio</creator><general>Elsevier B.V</general><general>Elsevier Science Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><orcidid>https://orcid.org/0000-0002-9944-5186</orcidid></search><sort><creationdate>20180815</creationdate><title>Interfacial characterization and supercapacitive behavior of PEDOT nanotubes modified electrodes</title><author>Hryniewicz, Bruna M. ; Winnischofer, Herbert ; Vidotti, Marcio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c340t-2875aa580305c9b2111357a8b32900da513ddaca8a479565decc7974ce03a4723</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2018</creationdate><topic>Capacitance</topic><topic>Charge materials</topic><topic>Charge transfer</topic><topic>Chemical synthesis</topic><topic>Electric properties</topic><topic>Electrochemical analysis</topic><topic>Electrochemical impedance spectroscopy</topic><topic>Electrodes</topic><topic>Emulsion polymerization</topic><topic>Microemulsions</topic><topic>Nanostructured materials</topic><topic>Nanotubes</topic><topic>Organic chemistry</topic><topic>PEDOT</topic><topic>Polarized FTIR</topic><topic>Reflectance</topic><topic>Reverse micelle</topic><topic>Substrates</topic><topic>Supercapacitors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Hryniewicz, Bruna M.</creatorcontrib><creatorcontrib>Winnischofer, Herbert</creatorcontrib><creatorcontrib>Vidotti, Marcio</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of electroanalytical chemistry (Lausanne, Switzerland)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Hryniewicz, Bruna M.</au><au>Winnischofer, Herbert</au><au>Vidotti, Marcio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Interfacial characterization and supercapacitive behavior of PEDOT nanotubes modified electrodes</atitle><jtitle>Journal of electroanalytical chemistry (Lausanne, Switzerland)</jtitle><date>2018-08-15</date><risdate>2018</risdate><volume>823</volume><spage>573</spage><epage>579</epage><pages>573-579</pages><issn>1572-6657</issn><eissn>1873-2569</eissn><abstract>PEDOT nanotubes were chemically synthesized using a hexane/water reverse microemulsion polymerization and deposited onto ITO substrate. FTIR polarized specular reflectance spectra are consistent with AOT molecules organized inside the PEDOT nanotubes. The electrochemical properties of PEDOT nanotubes were evaluated by cyclic voltammetry and electrochemical impedance spectroscopy in comparison with PEDOT:PSS modified electrodes. The results indicates an increase in the capacitance and a decrease in the charge transfer resistance for the PEDOT nanotubes in comparison with PEDOT:PSS films due to the higher exposure of the electroactive sites in the nanostructured material. Galvanostatic charge/discharge curves were performed and a maximum specific capacitance of 160 F·g−1 was revealed, indicating that this material has potential to be used in supercapacitors development.
[Display omitted]
•PEDOT nanotubes were chemically synthesized by reverse microemulsion polymerization;•Specular reflectance spectroscopy indicated a preferential orientation of the nanotubes onto electrodes;•PEDOT nanotubes showed superior supercapacitive properties compared to electrochemically synthesized PEDOT:PSS.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.jelechem.2018.07.008</doi><tpages>7</tpages><orcidid>https://orcid.org/0000-0002-9944-5186</orcidid></addata></record> |
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| ispartof | Journal of electroanalytical chemistry (Lausanne, Switzerland), 2018-08, Vol.823, p.573-579 |
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| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Capacitance Charge materials Charge transfer Chemical synthesis Electric properties Electrochemical analysis Electrochemical impedance spectroscopy Electrodes Emulsion polymerization Microemulsions Nanostructured materials Nanotubes Organic chemistry PEDOT Polarized FTIR Reflectance Reverse micelle Substrates Supercapacitors |
| title | Interfacial characterization and supercapacitive behavior of PEDOT nanotubes modified electrodes |
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