Preparation of coronene nanowires and its properties
Based on dispersion parameters and band gap of coronene nanowires coronene nanocrystals are a good nominee for photon energy applications. [Display omitted] •Optical characterization of coronene nanowires.•Spectrophotometric measurements of transmittance and reflectance.•The optical and transport en...
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| Veröffentlicht in: | Materials letters 2017-10, Vol.205, p.70-74 |
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| container_title | Materials letters |
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| creator | Barış, Behzad Karadeniz, Serdar Erdal, M. Okan |
| description | Based on dispersion parameters and band gap of coronene nanowires coronene nanocrystals are a good nominee for photon energy applications.
[Display omitted]
•Optical characterization of coronene nanowires.•Spectrophotometric measurements of transmittance and reflectance.•The optical and transport energy band gaps.•Variation of dielectric constant with photon energy.
In this study we have deposited coronene nanowires onto glass substrates with thicknesses of 80nm by means of Physical Vapor Deposition (PVD) method and investigated the optical properties of these films. Several parameters such as absorption coefficient, optical and transport band gap, energy of the exciton, real and imaginary dielectric constant and refractive index of the films have been determined using spectrophotometric measurements of transmittance and reflectance. The optical transmittance of the coronene film has been estimated as of 70–90% in the visible range. The optical and transport energy band gaps have been found to be 3.2 and 3.5eV, respectively. The real dielectric constant and the dielectric loss tangent have significantly increased with photon energy. |
| doi_str_mv | 10.1016/j.matlet.2017.05.137 |
| format | Article |
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[Display omitted]
•Optical characterization of coronene nanowires.•Spectrophotometric measurements of transmittance and reflectance.•The optical and transport energy band gaps.•Variation of dielectric constant with photon energy.
In this study we have deposited coronene nanowires onto glass substrates with thicknesses of 80nm by means of Physical Vapor Deposition (PVD) method and investigated the optical properties of these films. Several parameters such as absorption coefficient, optical and transport band gap, energy of the exciton, real and imaginary dielectric constant and refractive index of the films have been determined using spectrophotometric measurements of transmittance and reflectance. The optical transmittance of the coronene film has been estimated as of 70–90% in the visible range. The optical and transport energy band gaps have been found to be 3.2 and 3.5eV, respectively. The real dielectric constant and the dielectric loss tangent have significantly increased with photon energy.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2017.05.137</identifier><language>eng</language><publisher>Amsterdam: Elsevier B.V</publisher><subject>Absorptivity ; Coronene ; Dielectric loss ; Dielectrics ; Energy gap ; Glass substrates ; Materials science ; Nanowires ; Optical properties ; Organic ; Permittivity ; Photonic band gaps ; Physical vapor deposition ; Reflectance ; Refractivity ; Spectrophotometry ; Studies ; Substrates ; Thin films ; Transmittance ; Transport</subject><ispartof>Materials letters, 2017-10, Vol.205, p.70-74</ispartof><rights>2017 Elsevier B.V.</rights><rights>Copyright Elsevier BV Oct 15, 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c334t-9868de8a6edc89a152209c4e23bbd94dd4baa5d48e0380136fc39b5f10e26e493</citedby><cites>FETCH-LOGICAL-c334t-9868de8a6edc89a152209c4e23bbd94dd4baa5d48e0380136fc39b5f10e26e493</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2017.05.137$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Barış, Behzad</creatorcontrib><creatorcontrib>Karadeniz, Serdar</creatorcontrib><creatorcontrib>Erdal, M. Okan</creatorcontrib><title>Preparation of coronene nanowires and its properties</title><title>Materials letters</title><description>Based on dispersion parameters and band gap of coronene nanowires coronene nanocrystals are a good nominee for photon energy applications.
[Display omitted]
•Optical characterization of coronene nanowires.•Spectrophotometric measurements of transmittance and reflectance.•The optical and transport energy band gaps.•Variation of dielectric constant with photon energy.
In this study we have deposited coronene nanowires onto glass substrates with thicknesses of 80nm by means of Physical Vapor Deposition (PVD) method and investigated the optical properties of these films. Several parameters such as absorption coefficient, optical and transport band gap, energy of the exciton, real and imaginary dielectric constant and refractive index of the films have been determined using spectrophotometric measurements of transmittance and reflectance. The optical transmittance of the coronene film has been estimated as of 70–90% in the visible range. The optical and transport energy band gaps have been found to be 3.2 and 3.5eV, respectively. The real dielectric constant and the dielectric loss tangent have significantly increased with photon energy.</description><subject>Absorptivity</subject><subject>Coronene</subject><subject>Dielectric loss</subject><subject>Dielectrics</subject><subject>Energy gap</subject><subject>Glass substrates</subject><subject>Materials science</subject><subject>Nanowires</subject><subject>Optical properties</subject><subject>Organic</subject><subject>Permittivity</subject><subject>Photonic band gaps</subject><subject>Physical vapor deposition</subject><subject>Reflectance</subject><subject>Refractivity</subject><subject>Spectrophotometry</subject><subject>Studies</subject><subject>Substrates</subject><subject>Thin films</subject><subject>Transmittance</subject><subject>Transport</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp9kMtKxDAYhYMoOI6-gYuC69akSZtkI8jgDQZ0oeAupMlfSJlJapJRfHsjde3qbM6F8yF0SXBDMOmvp2av8w5y02LCG9w1hPIjtCKC05pJLo_Rqth43XH-forOUpowxkxitkLsJcKso84u-CqMlQkxePBQee3Dl4uQKu1t5XKq5hhmiNlBOkcno94luPjTNXq7v3vdPNbb54enze22NpSyXEvRCwtC92CNkJp0bYulYdDSYbCSWcsGrTvLBGAqMKH9aKgcupFgaHtgkq7R1dJbpj8OkLKawiH6MqmIZLQnkuO2uNjiMjGkFGFUc3R7Hb8VweqXj5rUwkf98lG4U4VPid0sMSgPPh1ElYwDb8CW1yYrG9z_BT85zHBB</recordid><startdate>20171015</startdate><enddate>20171015</enddate><creator>Barış, Behzad</creator><creator>Karadeniz, Serdar</creator><creator>Erdal, M. Okan</creator><general>Elsevier B.V</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20171015</creationdate><title>Preparation of coronene nanowires and its properties</title><author>Barış, Behzad ; Karadeniz, Serdar ; Erdal, M. Okan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c334t-9868de8a6edc89a152209c4e23bbd94dd4baa5d48e0380136fc39b5f10e26e493</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Absorptivity</topic><topic>Coronene</topic><topic>Dielectric loss</topic><topic>Dielectrics</topic><topic>Energy gap</topic><topic>Glass substrates</topic><topic>Materials science</topic><topic>Nanowires</topic><topic>Optical properties</topic><topic>Organic</topic><topic>Permittivity</topic><topic>Photonic band gaps</topic><topic>Physical vapor deposition</topic><topic>Reflectance</topic><topic>Refractivity</topic><topic>Spectrophotometry</topic><topic>Studies</topic><topic>Substrates</topic><topic>Thin films</topic><topic>Transmittance</topic><topic>Transport</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Barış, Behzad</creatorcontrib><creatorcontrib>Karadeniz, Serdar</creatorcontrib><creatorcontrib>Erdal, M. Okan</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Barış, Behzad</au><au>Karadeniz, Serdar</au><au>Erdal, M. Okan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Preparation of coronene nanowires and its properties</atitle><jtitle>Materials letters</jtitle><date>2017-10-15</date><risdate>2017</risdate><volume>205</volume><spage>70</spage><epage>74</epage><pages>70-74</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>Based on dispersion parameters and band gap of coronene nanowires coronene nanocrystals are a good nominee for photon energy applications.
[Display omitted]
•Optical characterization of coronene nanowires.•Spectrophotometric measurements of transmittance and reflectance.•The optical and transport energy band gaps.•Variation of dielectric constant with photon energy.
In this study we have deposited coronene nanowires onto glass substrates with thicknesses of 80nm by means of Physical Vapor Deposition (PVD) method and investigated the optical properties of these films. Several parameters such as absorption coefficient, optical and transport band gap, energy of the exciton, real and imaginary dielectric constant and refractive index of the films have been determined using spectrophotometric measurements of transmittance and reflectance. The optical transmittance of the coronene film has been estimated as of 70–90% in the visible range. The optical and transport energy band gaps have been found to be 3.2 and 3.5eV, respectively. The real dielectric constant and the dielectric loss tangent have significantly increased with photon energy.</abstract><cop>Amsterdam</cop><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2017.05.137</doi><tpages>5</tpages></addata></record> |
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| ispartof | Materials letters, 2017-10, Vol.205, p.70-74 |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Absorptivity Coronene Dielectric loss Dielectrics Energy gap Glass substrates Materials science Nanowires Optical properties Organic Permittivity Photonic band gaps Physical vapor deposition Reflectance Refractivity Spectrophotometry Studies Substrates Thin films Transmittance Transport |
| title | Preparation of coronene nanowires and its properties |
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