Yazar "Çağlar, Yasemin" için Makale Koleksiyonu listeleme
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Boron doped nanostructure ZnO films onto ITO substrate
Çağlar, Müjdat; Ilıcan, Saliha; Çağlar, Yasemin; Yakuphanoğlu, Fahrettin (Elsevier Science Sa, 2011)Undoped and boron (B) doped nanostructure ZnO films were prepared by sol-gel method using spin coating technique. The effects of B content on the crystallinity and morphological properties of ZnO films were analyzed by ... -
CdO:Al films deposited by sol-gel process: a study on their structural and optical properties
Ilıcan, Saliha; Çağlar, Müjdat; Çağlar, Yasemin; Yakuphanoğlu, Fahrettin (Natl Inst Optoelectronics, 2009)Undoped and Al-doped CdO films have been prepared by sol-gel spin-coating method. Effects of Al dopant on the structural and optical properties of CdO film have been investigated. The films were prepared for Al/Cd ratios ... -
CdZnS ve ZnO yarıiletken filmlerinin yasak enerji aralıkları
Ilıcan, Saliha; Çağlar, Yasemin; Çağlar, Müjdat (2005)II-VI bileşik yarıiletkenleri çeşitli elektro-optik aygıtlardaki uygulamalarından dolayı oldukça önemlidir. Bu filmler çeşitli opto-elektronik aygıtlarda etkin olarak kullanılmaktadırlar. Bu çalışmada, CdZnS ve ZnO filmleri ... -
Controlled growth of c-axis oriented ZnO nanorod array films by electrodeposition method and characterization
Arslan, Andaç; Hür, Evrim; Ilıcan, Saliha; Çağlar, Yasemin; Çağlar, Müjdat (Pergamon-Elsevier Science LTD, 2014)ZnO nanorod array films were deposited from aqueous solution containing different concentrations (1 x 10(-2) M and 5 x 10(-3) M) Zn(NO3)(2)center dot 6H(2)O and C6H12N4 and at different electrodeposition times (i.e., 15 ... -
Crystalline structure and morphological properties of undoped and Sn doped ZnO thin films
Çağlar, Yasemin; Aksoy, Seval; Ilıcan, Saliha; Çağlar, Müjdat (Academic Press LTD- Elsevier Science LTD, 2009)Undoped and tin (Sn) doped ZnO thin films have been prepared by spray pyrolysis method. Effect of Sri dopant on the crystalline structure and morphological properties of ZnO thin films has been investigated by X-ray ... -
Determination of the electronic parameters of nanostructure SnO2/p-Si diode
Çağlar, Yasemin; Çağlar, Müjdat; Ilıcan, Saliha; Yakuphanoğlu, Fahrettin (Elsevier Science BV, 2009)The current-voltage and capacitance-voltage characteristics of the nanostructure SnO2/p-Si diode have been investigated. The optical band gap and microstructure properties of the SnO2 film were analyzed by optical absorption ... -
The determination of the optical band and optical constants of non-crystalline and crystalline ZnO thin films deposited by spray pyrolysis
Yakuphanoğlu, Fahrettin; Ilıcan, Saliha; Çağlar, Müjdat; Çağlar, Yasemin (Natl Inst Optoelectronics, 2007)The optical constants and optical band gaps of the non-crystalline and crystalline zinc oxide (ZnO) thin films deposited by the spray pyrolysis method onto glass substrates at the different deposition times have been ... -
The determination of the thickness and optical constants of the ZnO crystalline thin film by using envelope method
Çağlar, Müjdat; Çağlar, Yasemin; Ilıcan, Saliha (Natl Inst Optoelectronics, 2006)ZnO crystalline thin film has been deposited onto glass substrates by the spray pyrolysis method. The crystallographic structure of the film and the size of the crystallites in the film were studied by X-ray diffraction. ... -
Determination of the thickness and optical constants of transparent indium-doped ZnO thin films by the envelope method
Ilıcan, Saliha; Çağlar, Müjdat; Çağlar, Yasemin (Oficyna Wydawnicza Politechniki Wroclawskiej, 2007)Transparent indium-doped ZnO thin films were deposited by the spray pyrolysis method onto glass substrates. The content of indium in the starting solution was 0.5 at. %. The crystallographic structure of the film was studied ... -
Effect of ambient temperature on electrical properties of nanostructure n-ZnO/p-Si heterojunction diode
Aksoy, Seval; Çağlar, Yasemin (Academic Press LTD- Elsevier Science LTD, 2012)The nanostructure n-ZnO/p-Si heterojunction diode was fabricated by sol-gel method. The structural and morphological properties of the nanostructure ZnO film have been investigated. The X-ray diffraction spectra indicated ... -
Effect of channel thickness on the field effect mobility of ZnO-TFT fabricated by sol gel process
Çağlar, Yasemin; Çağlar, Müjdat; Ilıcan, Saliha; Aksoy, Seval; Yakuphanoğlu, Fahrettin (Elsevier Science Sa, 2015)In this study, bottom-gate structured ZnO TFTs were fabricated on pSi/SiO2 substrate. ZnO active layers with different thickness were deposited by using sol gel spin coating method and the electrical performances of the ... -
Effect of deposition parameters on the structural properties of ZnO nanopowders prepared by microwave-assisted hydrothermal synthesis
Çağlar, Yasemin; Görgün, Kamuran; Aksoy, Seval (Pergamon-Elsevier Science LTD, 2015)ZnO nanopowders were synthesized via microwave-assisted hydrothermal method at different deposition (microwave irradiation) times and pH values. The effects of pH and deposition (microwave irradiation) time on the crystalline ... -
Effect of indium incorporation on the optical properties of spray pyrolyzed Cd0.22Zn0.78S thin films
Çağlar, Müjdat; Zor, Muhsin; Ilıcan, Saliha; Çağlar, Yasemin (Inst Physics Acad Sci Czech Republic, 2006)In this study, effect of indium incorporation on the optical properties is investigated for the spray pyrolyzed onto glass substrates at 275 degrees C substrate temperature undoped and indium doped Cd0.22Zn0.78S thin films. ... -
Effect of Sn dopants on the optical and electrical properties of ZnO films
Aksoy, Seval; Çağlar, Yasemin; Ilıcan, Saliha; Çağlar, Müjdat (Technical University Wroclaw, 2010)The undoped and tin (Sn) doped ZnO films were deposited by a spray pyrolysis method onto the glass substrates. 0.2 M solution of zinc acetate in a mixture of ethanol and deionised water, in a volume proportion of 3 :1, was ... -
Effect of the Deposition Temperature on the Device Performance of the Nanostructured ZnO Thin Film Transistor by Sol Gel Method
Rüzgar, Şerif; Özkan, Aziz Ertuğrul; Çağlar, Müjdat; Aksoy, Seval; Ilıcan, Saliha; Çağlar, Yasemin; Yakuphanoğlu, Fahrettin (Amer Scientific Publishers, 2014)In this study, the nanostructured ZnO thin film transistors (TFTs) were fabricated by using sol-gel spin-coating method and the deposition temperature effect on the structural and morphological properties of active layer ... -
The effects of fluorine on the structural, surface morphology and optical properties of ZnO thin films
Yakuphanoğlu, Fahrettin; Çağlar, Yasemin; Ilıcan, Saliha; Çağlar, Müjdat (Elsevier Science BV, 2007)The optical and structural properties of fluorine-doped Zinc oxide (ZnO) thin films have been investigated. The X-ray diffraction spectra indicate that the films have polycrystalline nature. A ZnO single phase with a ... -
Effects of In, Al and Sn dopants on the structural and optical properties of ZnO thin films
Çağlar, Yasemin; Ilıcan, Saliha; Çağlar, Müjdat; Yakuphanoğlu, Fahrettin (Pergamon-Elsevier Science LTD, 2007)Effect of In, Al and Sn dopants on the optical and structural properties of ZnO thin films have been investigated by X-ray diffraction technique and optical characterization method. X-ray diffraction patterns confirm that ... -
The effects of substrate temperature on refractive index dispersion and optical constants of CdZn(S0.8Se0.2)(2) alloy thin films
Ilıcan, Saliha; Çağlar, Yasemin; Çağlar, Müjdat; Yakuphanoğlu, Fahrettin (Elsevier Science Sa, 2009)The effect of substrate temperature on optical properties of CdZn(S0.8Se0.2)(2) thin films deposited onto glass substrates by the spray pyrolysis method has been investigated. The average optical transmittance of the films ... -
Electrical characterization of nanocluster n-CdO/p-Si heterojunction diode
Yakuphanoğlu, Fahrettin; Çağlar, Müjdat; Çağlar, Yasemin; Ilıcan, Saliha (Elsevier Science Sa, 2010)The nanocluster n-CdO/p-Si heterojunction diode was fabricated by sol-gel method. The structural and optical properties of the nanocluster CdO film have been investigated. The CdO film has a polycrystalline with a cubic ... -
Electrical characterization of the diodes-based nanostructure ZnO:B
Yakuphanoğlu, Fahrettin; Çağlar, Yasemin; Çağlar, Müjdat; Ilıcan, Saliha (Cambridge University Press, 2012)The diodes-based undoped and boron (B) doped ZnO films deposited onto p-Si by sol-gel method using spin coating technique were fabricated. The morphological properties of ZnO films were analyzed by field emission scanning ...