Yazar "Polat, İsmail" için listeleme
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CBD-synthesized Mg-doped CdS thin films for hybrid solar cells and self-powered photodetectors
Yılmaz, S.; Töreli, S.B.; Tomakin, Murat; Polat, İsmail; Bacaksız, Emin (Elsevier, 2024)Mg-doped CdS samples were deposited via chemical bath deposition onto fluorine-doped tin oxide slides with varying levels of Mg-doping. Structural analysis revealed improved crystal quality in CdS films upon Mg incorporation. ... -
Cu(In,Ga)(Se,Te)(2) pentenary thin films formed by reaction of precursor layers
Atasoy, Yıldız; Başol, Bülent M.; Polat, İsmail; Tomakin, Murat; Parlak, Mehmet; Bacaksız, Emin (Elsevier Science Sa, 2015)Sodium doped CuIn(1 - x) Ga-x(Se(1 - y) Te-y)(2) (CIGST) thin films were grown on Mo-coated soda lime glass substrates by a two-stage technique. the effects of Te content and annealing temperature on the microstructural ... -
Determination of optimum Er-doping level to get high transparent and low resistive Cd1-xErxS thin films
Savaşkan Yılmaz, Sevil; Polat, İsmail; Tomakin, Murat; Bacaksız, Emin (Springer, 2019)Cd1-xErxS (x=0, 0.02, 0.04, 0.06, 0.08 and 0.10) thin films were produced by a chemical route on glass slides. the structural, morphological, optical and electrical properties of the grown samples were studied to obtain ... -
Development of photovoltaic and photodetection characteristics in CdS/P3HT devices through Al-doping
Töreli, S.B.; Yılmaz, S.; Tomakin, Murat; Polat, İsmail; Bacaksız, Emin (Elsevier, 2024)CdS thin films were deposited by chemical bath deposition onto FTO substrates with Al concentrations of 0, 1, 3, 5 and 6 %. X-ray diffraction revealed introduction of 1 % Al-doping reduced dislocation density and enhanced ... -
Effect of CdCl2/annealing on the crystalline transformation of CdTe thin films grown by evaporation at a low substrate temperature
The structural and optical properties of CdTe thin films prepared at a low substrate temperature were investigated before and after the Cd$CI _2$ /annealing. The crystal structure of CdTe film was cubic with a strong (111) ... -
Effect of CdCl2/annealing on the crystalline transformation of CdTe thin films grown by evaporation at a low substrate temperature
Polat, İsmail; Yılmaz, Salih; Bacaksız, Emin; Altunbaş, Mustafa; Tomakin, Murat (TÜBİTAK, 2011)The structural and optical properties of CdTe thin films prepared at a low substrate temperature were investigated before and after the CdCl 2/annealing. The crystal structure of CdTe film was cubic with a strong (111) ... -
Enhanced efficiency of CdS/P3HT hybrid solar cells via interfacial modification
Yılmaz, Salih; Polat, İsmail; Tomakin, Murat; Ünverdi, Ahmet; Bacaksız, Emin (Scientific Technical Research Council Turkey-Tubitak, 2019)The present paper examines the effects of surface modification of CdS with diverse dyes on fabricated CdS-based hybrid solar cells. the X-ray diffraction results showed that CdS thin films had a hexagonal phase with a ... -
Enhancement in the optical and electrical properties of CdS thin films through Ga and K co-doping
Yılmaz, Salih; Toreli, S. B.; Polat, İsmail; Olgar, M. A.; Tomakin, Murat; Bacaksız, Emin (Elsevier Sci Ltd, 2017)In the presented work, Ga-doped CdS and (Ga-K)-co-doped CdS thin films are grown on glass substrates at a temperature of 400 degrees C through spray pyrolysis. Influence of K-doping on structural, morphological, optical ... -
Erratum to: Synthesis and fabrication of Mg-doped ZnO-based dye-sensitized solar cells(J Mater Sci: Mater Electron, (2014), 25, 3173-3178, DOI 10.1007/s10854-014-2000-5)
Polat, İsmail; Yılmaz, Sevil Savaşkan; Bacaksız, Emin; Atasoy, Yıldız; Tomakin, Murat (Springer, 2014)Abstract Undoped and 2, 4 and 6 at.% Mg-doped ZnO nanorods were successfully deposited on ZnO seeded fluorine tin oxide substrates by a simple chemical bath deposition technique to form a photoanode. It was seen that all ... -
Fabrication of CdS nanospheres-based hybrid solar cells having increased efficiency
Yılmaz, Şeyda; Ünverdi, Ahmet; Tomakin, Murat; Polat, İsmail; Bacaksız, Emin (Springer, 2022)The impact of surface modification through diverse dyes (Eosin-Y, D205, N719 and N3) on structural, morphological, optical, and electrical properties of CdS/P3HT hybrid solar cells is studied. X-ray diffraction (XRD) pattern ... -
Improved optical transparency of calcium-doped ZnO thin films
Polat, İsmail; Yılmaz, Sevim Savaşkan; Tomakin, Murat; Bacaksız, Emin (Natl Inst Optoelectronics, 2019)ZnO thin films with various Ca-doping contents were produced by spray pyrolysis. X-ray diffraction results showed that all samples had a hexagonal structure. Morphological analysis indicated that all films had granular ... -
Improved performance of CdS powder-based hybrid solar cells through surface modification
Ünverdi, Ahmet; Yılmaz, Salih; Tomakin, Murat; Polat, İsmail; Bacaksız, Emin (Gümüşhane Üniversitesi, 2021)The effects of surface modification of CdS through organic Eosin-Y, indoline D205, and Ru-based complex N719 and N3 dyes on CdS-based hybrid solar cells were studied. Chemical bath deposition (CBD) and doctor blade methods ... -
Improvement in performance of SnSe-based photodetectors via post deposition sulfur diffusion
Yılmaz, Salih; Başol, Bülent M.; Polat, İsmail; Olğar, Mehmet Ali; Bayazıt, Tuğba; Küçükömeroğlu, Tayfur (Elsevier, 2024)The work represents an enhancement in the photodetector properties of thermally evaporated SnSe thin films through both annealing and sulfurization processes. X-ray diffraction analysis showed the formation of SnSe1-xSx ... -
Optical and electrical optimization of dysprosium-doped CdS thin films
Yılmaz, Salih; Polat, İsmail; Tomakin, Murat; Töreli, S. B.; Küçükömeroğlu, Tayfur; Bacaksız, Emin (Springer, 2018)As-grown and Dy-doped CdS thin films containing concentrations of 1, 2, 3, 4 and 5 at.% Dy atom were prepared via chemical spray route on glass substrates. the constructed thin films were searched through analyzing their ... -
Photodetector properties of CdSe thin films grown by close space sublimation method
Olgar, Mehmet Ali; Başol, Bülent M.; Polat, İsmail; Tomakin, Murat; Küçükömeroğlu, Tayfur; Bacaksız, Emin (Springer, 2023)In the present study, CdSe thin films were grown by Close Space Sublimation (CSS) method on glass substrates at elevated temperatures. The prepared films were analyzed through several characterization techniques such as ... -
Physical properties of CdS:Ga thin films synthesized by spray pyrolysis technique
Yılmaz, Salih; Polat, İsmail; Olgar, Mehmet Ali; Tomakin, Murat; Töreli, S. B.; Bacaksız, Emin (Springer, 2017)This paper reports the investigation of physical properties of CdS:Ga thin films grown for the first time by a simple spray pyrolysis method as a function of Ga-doping level from 0 to 8 at.%. X-ray diffraction (XRD), ... -
A research on growth and characterization of CdS:Eu thin films
Yılmaz, Sevil Savaşkan; Polat, İsmail; Tomakin, Murat; Bacaksız, Emin (Springer Heidelberg, 2019)Chemical spray pyrolysis-grown CdS thin films including various quantities of Eu atoms (from 0 to 10at.%) were synthesized on glass slides. the detailed physical properties of the produced CdS and CdS:Eu thin films were ... -
Role of Mg doping in the structural, optical, and electrical characteristics of ZnO-based DSSCs
ZnO- and Mg-doped ZnO samples are prepared by spray pyrolysis on conducting glass substrates to fabricate ZnO-based dye-sensitized solar cells (DSSCs). In uences of Mg-doping content on the power conversion efficiencies ... -
Sm-doped CdS thin films prepared by spray pyrolysis: a structural, optical, and electrical examination
Yılmaz, Salih; Polat, İsmail; Tomakin, Murat; Küçükömeroğlu, Tayfur; Töreli, S. B.; Bacaksız, Emin (Springer, 2018)Virgin and Sm-doped CdS thin films were prepared by spray pyrolysis route on glass substrates. the influences of Sm-doping amount on structural, topographical, optical and electrical properties were examined. It was found ... -
Structural, morphological, optical analyses of Ni-doped CdS thin films and their photovoltaic performance in hybrid solar cells
Yılmaz, Sevil Savaşkan; Tomakin, Murat; Unverdi, Ahmet; Aydın, A.; Polat, İsmail; Bacaksız, Emin (Springer, 2020)This work reports influences of variation in Ni-doping on structural, morphological, and optical properties of CdS thin films and in their hybrid solar cell applications. X-ray diffraction data showed that increase of ...
