Electronic properties of polypyrrole based TiO2 nanofiber composite
In this work, Polypyrrole (PPy), Titanium dioxide nanofiber (TiO2‐nf) are prepared by oxidative polymerization and hydrothermal process respectively. The PPy/TiO2‐nf composite is prepared by in situ oxidative polymerization in the presence of pyrrole monomer and TiO2‐nf. The nanocomposite and TiO2‐n...
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| Veröffentlicht in: | Journal of applied polymer science 2014-03, Vol.131 (6), p.n/a |
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| creator | Tiwari, Dinesh Chandra Atri, Priyanka Sharma, Rishi |
| description | In this work, Polypyrrole (PPy), Titanium dioxide nanofiber (TiO2‐nf) are prepared by oxidative polymerization and hydrothermal process respectively. The PPy/TiO2‐nf composite is prepared by in situ oxidative polymerization in the presence of pyrrole monomer and TiO2‐nf. The nanocomposite and TiO2‐nf are then characterized by scanning electron microscopy (SEM) and energy dispersive X‐ray spectroscopy (EDX) techniques and XRD studies. Dielectric studies of PPy/TiO2‐nf composite is carried out in the frequency range of 1 KHz‐3 MHz at varying temperature and it shows anomalous behavior at 1MHz, where its value reaches to its minimum value of 13 at room temperature and this dip remains even at higher temperature. Impedance study is used to understand the grain and grain boundary effects of the material; frequency dependent ac conductivity has two regions separated at 1MHz, which is being explained by hopping conduction and Maxwell‐Wagner type mechanism, respectively. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2014, 131, 40036. |
| doi_str_mv | 10.1002/app.40036 |
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The PPy/TiO2‐nf composite is prepared by in situ oxidative polymerization in the presence of pyrrole monomer and TiO2‐nf. The nanocomposite and TiO2‐nf are then characterized by scanning electron microscopy (SEM) and energy dispersive X‐ray spectroscopy (EDX) techniques and XRD studies. Dielectric studies of PPy/TiO2‐nf composite is carried out in the frequency range of 1 KHz‐3 MHz at varying temperature and it shows anomalous behavior at 1MHz, where its value reaches to its minimum value of 13 at room temperature and this dip remains even at higher temperature. Impedance study is used to understand the grain and grain boundary effects of the material; frequency dependent ac conductivity has two regions separated at 1MHz, which is being explained by hopping conduction and Maxwell‐Wagner type mechanism, respectively. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2014, 131, 40036.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.40036</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>Hoboken, NJ: Blackwell Publishing Ltd</publisher><subject>Applied sciences ; Composites ; conducting polymers ; dielectric properties ; Exact sciences and technology ; Forms of application and semi-finished materials ; Materials science ; nanoparticles ; nanowires and nanocrystals ; Polymer industry, paints, wood ; Polymers ; Technology of polymers</subject><ispartof>Journal of applied polymer science, 2014-03, Vol.131 (6), p.n/a</ispartof><rights>Copyright © 2013 Wiley Periodicals, Inc.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.40036$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.40036$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1416,27923,27924,45573,45574</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28235859$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tiwari, Dinesh Chandra</creatorcontrib><creatorcontrib>Atri, Priyanka</creatorcontrib><creatorcontrib>Sharma, Rishi</creatorcontrib><title>Electronic properties of polypyrrole based TiO2 nanofiber composite</title><title>Journal of applied polymer science</title><addtitle>J. Appl. Polym. Sci</addtitle><description>In this work, Polypyrrole (PPy), Titanium dioxide nanofiber (TiO2‐nf) are prepared by oxidative polymerization and hydrothermal process respectively. The PPy/TiO2‐nf composite is prepared by in situ oxidative polymerization in the presence of pyrrole monomer and TiO2‐nf. The nanocomposite and TiO2‐nf are then characterized by scanning electron microscopy (SEM) and energy dispersive X‐ray spectroscopy (EDX) techniques and XRD studies. Dielectric studies of PPy/TiO2‐nf composite is carried out in the frequency range of 1 KHz‐3 MHz at varying temperature and it shows anomalous behavior at 1MHz, where its value reaches to its minimum value of 13 at room temperature and this dip remains even at higher temperature. Impedance study is used to understand the grain and grain boundary effects of the material; frequency dependent ac conductivity has two regions separated at 1MHz, which is being explained by hopping conduction and Maxwell‐Wagner type mechanism, respectively. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2014, 131, 40036.</description><subject>Applied sciences</subject><subject>Composites</subject><subject>conducting polymers</subject><subject>dielectric properties</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Materials science</subject><subject>nanoparticles</subject><subject>nanowires and nanocrystals</subject><subject>Polymer industry, paints, wood</subject><subject>Polymers</subject><subject>Technology of polymers</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><recordid>eNo9kF9LwzAUxYMoOKcPfoOC-Ngtf5o0eRxjTmFzA6c-hrRNILNrYtKh_fbWbezpXji_c-_hAHCP4AhBiMfK-1EGIWEXYICgyNOMYX4JBr2GUi4EvQY3MW4hRIhCNgDTWa3LNrjGlokPzuvQWh0TZxLv6s53IbhaJ4WKuko2doWTRjXO2EKHpHQ776Jt9S24MqqO-u40h-D9abaZPqeL1fxlOlmkFgvEUkMgr0RWZBgbDg1EuMIigxQTyikzeSaQJoT0GTMslMpppUtqIKZFSRkXmAzBw_FuH_R7r2Mrt24fmv6lRBkTHDEMaU89nigVS1WboJrSRumD3anQScwP_0TPjY_cj611d9YRlP9Fyr5IeShSTtbrw9I70qPDxlb_nh0qfEmWk5zKz9e55Ovpx_JpsZRv5A9SoHTL</recordid><startdate>20140315</startdate><enddate>20140315</enddate><creator>Tiwari, Dinesh Chandra</creator><creator>Atri, Priyanka</creator><creator>Sharma, Rishi</creator><general>Blackwell Publishing Ltd</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>IQODW</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20140315</creationdate><title>Electronic properties of polypyrrole based TiO2 nanofiber composite</title><author>Tiwari, Dinesh Chandra ; Atri, Priyanka ; Sharma, Rishi</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i2916-f308d94b422f80f012d29405235856f7491e333995429aa75dec5f025bc568923</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Applied sciences</topic><topic>Composites</topic><topic>conducting polymers</topic><topic>dielectric properties</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Materials science</topic><topic>nanoparticles</topic><topic>nanowires and nanocrystals</topic><topic>Polymer industry, paints, wood</topic><topic>Polymers</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tiwari, Dinesh Chandra</creatorcontrib><creatorcontrib>Atri, Priyanka</creatorcontrib><creatorcontrib>Sharma, Rishi</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tiwari, Dinesh Chandra</au><au>Atri, Priyanka</au><au>Sharma, Rishi</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electronic properties of polypyrrole based TiO2 nanofiber composite</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. Appl. Polym. Sci</addtitle><date>2014-03-15</date><risdate>2014</risdate><volume>131</volume><issue>6</issue><epage>n/a</epage><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>In this work, Polypyrrole (PPy), Titanium dioxide nanofiber (TiO2‐nf) are prepared by oxidative polymerization and hydrothermal process respectively. The PPy/TiO2‐nf composite is prepared by in situ oxidative polymerization in the presence of pyrrole monomer and TiO2‐nf. The nanocomposite and TiO2‐nf are then characterized by scanning electron microscopy (SEM) and energy dispersive X‐ray spectroscopy (EDX) techniques and XRD studies. Dielectric studies of PPy/TiO2‐nf composite is carried out in the frequency range of 1 KHz‐3 MHz at varying temperature and it shows anomalous behavior at 1MHz, where its value reaches to its minimum value of 13 at room temperature and this dip remains even at higher temperature. Impedance study is used to understand the grain and grain boundary effects of the material; frequency dependent ac conductivity has two regions separated at 1MHz, which is being explained by hopping conduction and Maxwell‐Wagner type mechanism, respectively. © 2013 Wiley Periodicals, Inc. J. Appl. Polym. Sci., 2014, 131, 40036.</abstract><cop>Hoboken, NJ</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/app.40036</doi><tpages>8</tpages></addata></record> |
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| subjects | Applied sciences Composites conducting polymers dielectric properties Exact sciences and technology Forms of application and semi-finished materials Materials science nanoparticles nanowires and nanocrystals Polymer industry, paints, wood Polymers Technology of polymers |
| title | Electronic properties of polypyrrole based TiO2 nanofiber composite |
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