Effects of UV and white light illuminations on photosensing properties of the 6,13-bis(triisopropylsilylethynyl)pentacene thin film transistor

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dc.contributor.authorGündüz, Bayram
dc.contributor.authorYakuphanoglu F.
dc.date.accessioned2020-01-29T18:53:39Z
dc.date.available2020-01-29T18:53:39Z
dc.date.issued2012
dc.departmentFakülteler, Eğitim Fakültesi, Matematik ve Fen Bilimleri Eğitimi Bölümüen_US
dc.description.abstractThe effects of UV and white light illuminations on the electrical and photosensing properties of the 6,13-bis(triisopropylsilylethynyl)pentacene thin film transistor were investigated. The photosensitivity (I ph/I dark) values of the transistor in the OFF state were found to be 1.156 and 2.12 under UV 365 nm (for V g = -10 V) and white light illuminations (for V g = -10 V and P = 100 mW/cm 2), respectively. The threshold voltage value of the TIPS-pentacene transistor was shifted from a smaller (0.215 V) value to higher (1.095 V) value with UV illumination, while it was shifted from a negative value (-1.29 V) to positive value (0.525 V) with white light illumination. The mobility ? value (3.412 × 10 -2 cm 2/Vs) of the TIPS-pentacene transistor under dark is lower than that of the values under UV and white light illuminations. The sub-threshold swing value under dark is higher than that of under UV and white light illuminations. The interface trap density of the TIPS-pentacene transistor is decreased with increasing illumination. The lowest D it value (0.941 × 10 13 eV -1 cm -2) of the TIPS-pentacene transistor causes the highest mobility (6.322 × 10 -2 cm 2/Vs). The photoresponsivity R values of the TIPS-pentacene transistor vary from 11.58 mA/W to 53.48 mA/W. © 2012 Elsevier B.V.en_US
dc.description.sponsorship110T047en_US
dc.description.sponsorshipThis work was supported by the Turkish Scientific and Technological Research Council of Turkey (TUBITAK) (Project No. 110T047). Bayram Gunduz received his bachelor's degree in Physics from Firat University, Elazığ, Turkey, 2001–2005, master degree from Solid State Physics, Firat University, Elazığ, Turkey, 2005–2007, PhD degree from Solid State Physics, Firat University, Elazığ, Turkey, 2007–2011. He was research assistant in Solid State Physics, Muş Alparslan University, Muş, Turkey, 2009–2011. He is currently an Assist. Prof. Dr. in Department of Science Education, Muş Alparslan University, Muş, Turkey, November 2011. His main achievements include (A) organic semiconductors (polymers, monomers, organic compounds): (i) electrical and optical properties; (ii) electronic devices applications of organic semiconductors such as Schottky diode, P–N heterojunction diode, metal–insulator–semiconductor junctions, solar cells, thin-film transistor, photodiode. (B) Optical materials: (i) determination of the optical constants, (ii) refractive index dispersion. Fahrettin Yakuphanoglu obtained his master degree from Solid State Physics, Firat University, Elazığ, Turkey, 1996–1998, PhD from Solid State Physics, Firat University, Elazığ, Turkey, 1998–2002. He was Assoc. Prof. in Solid State Physics, Firat University, Elazığ, Turkey, 2004. He was Full Prof. in Solid State Physics, Firat University, Elazığ, Turkey, 2009. His main achievements are organic and inorganic electronics (solar cell, thin film transistors, diode, gas sensors), electronic devices based on solution process, nanoelectronics, liquid crystals and biosensors.en_US
dc.identifier.doi10.1016/j.sna.2012.02.032
dc.identifier.endpage153en_US
dc.identifier.issn0924-4247
dc.identifier.scopus2-s2.0-84859423399
dc.identifier.scopusqualityN/A
dc.identifier.startpage141en_US
dc.identifier.urihttps://dx.doi.org/10.1016/j.sna.2012.02.032
dc.identifier.urihttps://hdl.handle.net/20.500.12639/1179
dc.identifier.volume178en_US
dc.identifier.wosWOS:000303087800019
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.relation.ispartofSensors and Actuators, A: Physicalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectPhotoresponsivityen_US
dc.subjectTIPS-pentacene transistoren_US
dc.subjectUV and white light illuminationsen_US
dc.titleEffects of UV and white light illuminations on photosensing properties of the 6,13-bis(triisopropylsilylethynyl)pentacene thin film transistoren_US
dc.typeArticle

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