Yazar "Coşkun, Burhan" için listeleme
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Boron doped graphene based linear dynamic range photodiode
Dere, A.; Coşkun, Burhan; Tataroğlu, A.; Al-Sehemi, Abdullah G.; Al-Ghamdi, Ahmed A.; Alateeq, Hind M. A.; Yakuphanoğlu, F. (Elsevier Science Bv, 2018)The boron-doped graphene oxide film was prepared using drop casting/coating technique. The film was coated by hydrothermal method on p-Si substrate and thus Al/p-Si/B-doped GO/Au diode was fabricated. The structural ... -
Cd dopant effect on structural and optoelectronic properties of TiO2 solar detectors
İlhan, Mustafa; Koç, Mümin Mehmet; Coşkun, Burhan; Erkovan, Mustafa; Yakuphanoğlu, Fahrettin (Springer, 2021)Al/n-Si/Ti1-xO2CdxO/Al photodiodes were produced using sol-gel and spin coating methods where CdO dopant was applied on different concentrations (x = 0.0; x = 0.01; x = 0.05; x = 0.10). Cd dopant effect upon structural, ... -
A comprehensive investigation on Ag-doped ZnO based photodiodes with nanofibers
Asar, Tarık; Yavuz, Tuğrul; Coşkun, Burhan (Springer, 2020)The morphological, optical and electrical properties of undoped Zinc Oxide (ZnO) and 0.5% and 2% Ag-doped ZnO based Photodiodes were investigated. ZnO samples, which were deposited on p-type Si semiconductor substrates ... -
The effect of molar ratio on the photo-generated charge activity of ZnO-CdO composites
Sevik, A.; Coşkun, Burhan; Soylu, M. (Springer Heidelberg, 2020)The molar ratio of ZnO-CdO has an important effect on the photo-induced charge activities of the composite/n-Si structures. Thus, the relationship between the molar ratio of ZnO-CdO and the photo-induced charge generation ... -
Evaluation of electronic transport and optical response of two-dimensional Fe-doped TiO2 thin films for photodetector applications
Kara, Fatih; Kurban, Mustafa; Coşkun, Burhan (Elsevier Gmbh, 2020)We have carried out the structural, electronic and optical properties of Iron (Fe)-doped TiO2 thin films by sol-gel technique. The results reveal that the thin films form in a granular structure where particle-like grains ... -
Fe katkılı tio2 ince filmlerin eldesi
Kara, Fatih (Kırklareli Üniversitesi, 2020)Bu çalışmada katkısız TiO2ve farklı oranlarda Fekatkılı (%1,%5, %10)TiO2 ince filmler Sol-jel tekniğiyle Silisyum (Si) alttaşlar üzerine oda sıcaklığında büyütüldü.Elde edilen TiO2 ince filmlerin yüzeysel, elektriksel ve ... -
Graphene Oxide/Poly(3-hexylthiophene) Nanocomposite Thin-Film Phototransistor for Logic Circuit Applications
Mansouri, S.; Coşkun, Burhan; El Mir, L.; Al-Sehemi, Abdullah G.; Al-Ghamdi, Ahmed; Yakuphanoğlu, Fahrettin (Springer, 2018)Graphene is a sheet-structured material that lacks a forbidden band, being a good candidate for use in radiofrequency applications. We have elaborated graphene-oxide-doped poly(3-hexylthiophene) nanocomposite to increase ... -
Investigation of dielectric properties of Ag-doped ZnO thin films
Coşkun, Burhan (Elsevier, 2020)In this study, undoped and Ag-doped ZnO thin films were grown on p-type Si substrates using Sol-Gel spin coating technique at room temperature. Optical properties, such as refractive index (n) and extinction coefficient ... -
Investigation of structural and electrical properties of Zirconium dioxide thin films deposited by reactive RF sputtering technique
Coşkun, Burhan; Asar, Tarık; Akgül, Ünal; Yıldız, Köksal; Atıcı, Yusuf (Taylor & Francis Ltd, 2016)ZrO2 thin films with different thicknesses (400nm, 500nm, 600nm) were deposited by reactive RF magnetron sputtering technique, on n-type Silicon (100) substrate at 200 degrees C applying 125W power ratin`g. The micro ... -
İki Bileşenli Metal Oksit Yarı iletkenlerin Üretilmesi ve Optik Özelliklerinin Belirlenmesi
Coşkun, Burhan (2020)Bu çalışmada; Metal oksit bir malzeme olan TiO2’in yapısal ve optiksel özelliklerinin incelenmesi iki aşamadagerçekleştirilmiştir. Çalışmanın ilk aşamasında Sol-jel metodu kullanılarak katkısız ve demir (Fe) katkılı TiO2 ... -
Molecular structure and phase change properties of various polymer-doped liquid crystal
Coşkun, Burhan (Elsevier Science Bv, 2019)In this study, the electro-optical and phase transition properties of 4-cyano-4'-n-pentylbiphenyl (5CB) liquid crystal doped by various polymers have been investigated. New liquid crystals were synthesized by doping 5CB ... -
Optical, Electrical and Photoresponsive Properties of Cu2NiSnS4 Solar Detectors
İlhan, Mustafa; Koç, Mümin Mehmet; Coşkun, Burhan; Yakuphanoğlu, Fahrettin (Springer, 2020)Sol-gel methods were used to fabricate Al/p-Si/Cu2NiSnS4/Al quaternary functional solar detectors. Diffraction, spectroscopy and microscopy were used for the structural characterization of the photodetectors. The bandgap ... -
Optoelectrical properties of Al/p-Si/Fe:N doped ZnO/Al diodes
Coşkun, Burhan; Mensah-Darkwa, K.; Soylu, M.; Al-Sehemi, Abdullah G.; Dere, A.; Al-Ghamdi, Ahmed; Yakuphanoğlu, Fahrettin (Elsevier Science Sa, 2018)In this work, 3% Fe doped zinc oxide (ZnO) doped by Nitrogen thin films were grown by reactive radio frequency magnetron sputtering on p-Si substrates. The structural and optical properties of the 3% Fe doped ZnO doped by ... -
Optoelectronic investigation of Cu2FeSnS4 quaternary functional photodiodes with IR detection capabilities
Koç, Mümin Mehmet; Dere, Ayşegül; Özdere, Alper; Al-Sehemi, Abdullah G.; Coşkun, Burhan; Al-Ghamdi, Ahmed A.; Yakuphanoğlu, Fahrettin (Elsevier, 2021)Cu2FeSnS4 semiconductor used in the preparation of quaternary photodiodes was synthesized using hydrothermal synthesis. The nanoparticles were then spin coated on a silicon substrate. Nanoparticles were characterized using ... -
Structural and optoelectronic characterization of Cu 2 CoSnS 4 quaternary functional photodetectors
İlhan, Mustafa; Koç, Mümin Mehmet; Coşkun, Burhan; Dere, Ayşegül; Yakuphanoğlu, Fahrettin (Elsevier Gmbh, 2020)[Abstract Not Available] -
Structural, electrical and optical characterization of Mn doped CdO photodiodes
Duğan, Selin; Koç, Mümin Mehmet; Coşkun, Burhan (Elsevier, 2020)Undoped CdO, 0.2% Mn doped CdO, 6% Mn doped CdO and 10% Mn doped CdO photodiodes were prepared using sol-gel method and deposited on Si substrate at room temperature. Electrical and optical properties of the diodes were ... -
The The validity of Kohlrausch law for the photocurrent transient and the role of N-2/Ar flow ratio in photoconductivity of sputtered CoZnO
Soylu, M.; Coşkun, Burhan; Al-Sehemi, Abdullah G.; Al-Ghamdi, Ahmed A.; Yakuphanoğlu, Fahrettin (Elsevier Science Sa, 2017)Co:ZnO (CZnO) ferromagnetic semiconductor layers are coated on the surface of glass and Si substrates by Magnetron Sputter Deposition Method (MSDM) with variable N-2/Ar gas flow ratio. N-2/Ar flow ratio varies from 5 sccm ...
