Enhancement of the conductivity and dielectric properties of PVA/Ag nanocomposite films using ? irradiation
Polymer based composites with tunable dielectric properties have many applications in organic electronics. This manuscript reports the influence of gamma irradiation on the electrical and dielectric properties of silver/polymer composite (Ag/PVA) films with thickness 0.18 mm. The films were prepared...
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| Veröffentlicht in: | Materials chemistry and physics 2017-04, Vol.191, p.225 |
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| creator | El-Shamy, Ahmed G Attia, Wahib M El Kader, Kamal M Abd |
| description | Polymer based composites with tunable dielectric properties have many applications in organic electronics. This manuscript reports the influence of gamma irradiation on the electrical and dielectric properties of silver/polymer composite (Ag/PVA) films with thickness 0.18 mm. The films were prepared by the in-situ chemical reduction and later irradiated with gamma (γ) radiation doses (25, 50, 75, 100, 125 KGy). The content of Ag (0.4 wt %) in the PVA films were determined by the atomic absorption spectroscopy (AA). The films were characterized by the dielectric spectroscopy and Current-Voltage (I_V) measurements. The dielectric constant (...) value decreased with the increasing gamma irradiation doses. The conductivity films and dielectric loss increased with the increasing gamma irradiation doses. The optimum conductivity: σ = 4.9 × 10-8 S m-1 was found at gamma radiation dose of 125 KGy. The Poole-Frenkel emission is the prevailing transport mechanism for all the samples. |
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This manuscript reports the influence of gamma irradiation on the electrical and dielectric properties of silver/polymer composite (Ag/PVA) films with thickness 0.18 mm. The films were prepared by the in-situ chemical reduction and later irradiated with gamma (γ) radiation doses (25, 50, 75, 100, 125 KGy). The content of Ag (0.4 wt %) in the PVA films were determined by the atomic absorption spectroscopy (AA). The films were characterized by the dielectric spectroscopy and Current-Voltage (I_V) measurements. The dielectric constant (...) value decreased with the increasing gamma irradiation doses. The conductivity films and dielectric loss increased with the increasing gamma irradiation doses. The optimum conductivity: σ = 4.9 × 10-8 S m-1 was found at gamma radiation dose of 125 KGy. The Poole-Frenkel emission is the prevailing transport mechanism for all the samples.</description><identifier>ISSN: 0254-0584</identifier><identifier>EISSN: 1879-3312</identifier><language>eng</language><publisher>Lausanne: Elsevier BV</publisher><subject>Absorption spectroscopy ; Atomic absorption analysis ; Atomic beam spectroscopy ; Chemical reduction ; Composite materials ; Conductivity ; Dielectric loss ; Dielectric properties ; Electrical resistivity ; Gamma irradiation ; Gamma rays ; Nanocomposites ; Particulate composites ; Polymer matrix composites ; Radiation dosage ; Silver ; Studies ; Thickness ; Thin films</subject><ispartof>Materials chemistry and physics, 2017-04, Vol.191, p.225</ispartof><rights>Copyright Elsevier BV Apr 15, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784</link.rule.ids></links><search><creatorcontrib>El-Shamy, Ahmed G</creatorcontrib><creatorcontrib>Attia, Wahib M</creatorcontrib><creatorcontrib>El Kader, Kamal M Abd</creatorcontrib><title>Enhancement of the conductivity and dielectric properties of PVA/Ag nanocomposite films using ? irradiation</title><title>Materials chemistry and physics</title><description>Polymer based composites with tunable dielectric properties have many applications in organic electronics. This manuscript reports the influence of gamma irradiation on the electrical and dielectric properties of silver/polymer composite (Ag/PVA) films with thickness 0.18 mm. The films were prepared by the in-situ chemical reduction and later irradiated with gamma (γ) radiation doses (25, 50, 75, 100, 125 KGy). The content of Ag (0.4 wt %) in the PVA films were determined by the atomic absorption spectroscopy (AA). The films were characterized by the dielectric spectroscopy and Current-Voltage (I_V) measurements. The dielectric constant (...) value decreased with the increasing gamma irradiation doses. The conductivity films and dielectric loss increased with the increasing gamma irradiation doses. The optimum conductivity: σ = 4.9 × 10-8 S m-1 was found at gamma radiation dose of 125 KGy. The Poole-Frenkel emission is the prevailing transport mechanism for all the samples.</description><subject>Absorption spectroscopy</subject><subject>Atomic absorption analysis</subject><subject>Atomic beam spectroscopy</subject><subject>Chemical reduction</subject><subject>Composite materials</subject><subject>Conductivity</subject><subject>Dielectric loss</subject><subject>Dielectric properties</subject><subject>Electrical resistivity</subject><subject>Gamma irradiation</subject><subject>Gamma rays</subject><subject>Nanocomposites</subject><subject>Particulate composites</subject><subject>Polymer matrix composites</subject><subject>Radiation dosage</subject><subject>Silver</subject><subject>Studies</subject><subject>Thickness</subject><subject>Thin films</subject><issn>0254-0584</issn><issn>1879-3312</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqNjMGKwjAQQMOiYN31HwY8FxNT0Z5EFsWjB_EqIZ3qaDvpJtOF_ftV8AM8vcN7vA-VmdWyzK0184HK9HxR5HqxKkZqnNJNa7M0xmbqvuWrY48tskCoQa4IPnDVe6Ffkj9wXEFF2KCXSB66GDqMQpie9eG0mW0uwI6DD20XEglCTU2boE_EF1gDxegqckKBv9Swdk3CyYufarrbHr_3-WP602OS8y30kR_qbMpCF6WxpbbvVf-YAkp8</recordid><startdate>20170415</startdate><enddate>20170415</enddate><creator>El-Shamy, Ahmed G</creator><creator>Attia, Wahib M</creator><creator>El Kader, Kamal M Abd</creator><general>Elsevier BV</general><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20170415</creationdate><title>Enhancement of the conductivity and dielectric properties of PVA/Ag nanocomposite films using ? irradiation</title><author>El-Shamy, Ahmed G ; Attia, Wahib M ; El Kader, Kamal M Abd</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-proquest_journals_19404913903</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Absorption spectroscopy</topic><topic>Atomic absorption analysis</topic><topic>Atomic beam spectroscopy</topic><topic>Chemical reduction</topic><topic>Composite materials</topic><topic>Conductivity</topic><topic>Dielectric loss</topic><topic>Dielectric properties</topic><topic>Electrical resistivity</topic><topic>Gamma irradiation</topic><topic>Gamma rays</topic><topic>Nanocomposites</topic><topic>Particulate composites</topic><topic>Polymer matrix composites</topic><topic>Radiation dosage</topic><topic>Silver</topic><topic>Studies</topic><topic>Thickness</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>El-Shamy, Ahmed G</creatorcontrib><creatorcontrib>Attia, Wahib M</creatorcontrib><creatorcontrib>El Kader, Kamal M Abd</creatorcontrib><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>Materials chemistry and physics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>El-Shamy, Ahmed G</au><au>Attia, Wahib M</au><au>El Kader, Kamal M Abd</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancement of the conductivity and dielectric properties of PVA/Ag nanocomposite films using ? irradiation</atitle><jtitle>Materials chemistry and physics</jtitle><date>2017-04-15</date><risdate>2017</risdate><volume>191</volume><spage>225</spage><pages>225-</pages><issn>0254-0584</issn><eissn>1879-3312</eissn><abstract>Polymer based composites with tunable dielectric properties have many applications in organic electronics. This manuscript reports the influence of gamma irradiation on the electrical and dielectric properties of silver/polymer composite (Ag/PVA) films with thickness 0.18 mm. The films were prepared by the in-situ chemical reduction and later irradiated with gamma (γ) radiation doses (25, 50, 75, 100, 125 KGy). The content of Ag (0.4 wt %) in the PVA films were determined by the atomic absorption spectroscopy (AA). The films were characterized by the dielectric spectroscopy and Current-Voltage (I_V) measurements. The dielectric constant (...) value decreased with the increasing gamma irradiation doses. The conductivity films and dielectric loss increased with the increasing gamma irradiation doses. The optimum conductivity: σ = 4.9 × 10-8 S m-1 was found at gamma radiation dose of 125 KGy. The Poole-Frenkel emission is the prevailing transport mechanism for all the samples.</abstract><cop>Lausanne</cop><pub>Elsevier BV</pub></addata></record> |
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| subjects | Absorption spectroscopy Atomic absorption analysis Atomic beam spectroscopy Chemical reduction Composite materials Conductivity Dielectric loss Dielectric properties Electrical resistivity Gamma irradiation Gamma rays Nanocomposites Particulate composites Polymer matrix composites Radiation dosage Silver Studies Thickness Thin films |
| title | Enhancement of the conductivity and dielectric properties of PVA/Ag nanocomposite films using ? irradiation |
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