Yazar "Tomakin, Murat" için listeleme
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Ag diffusion in ZnS thin films prepared by spray pyrolysis
Bacaksız, Emin; Görür, O.; Tomakin, Murat; Yanmaz, E.; Altunbaş, M. (Elsevier, 2007)ZnS thin films were deposited by spray pyrolysis method on glass substrates. Diffusion of Ag in ZnS thin films was performed in the temperature range 80-400 °C under a nitrogen atmosphere. The diffusion of Ag is determined ... -
Alloying and phase transformation in CdS/CdSe bilayers annealed with or without CdCl2
Çiriş, Ali; Başol, Bülent M.; Yılmaz, Sevil Savaşkan; Atasoy, Yavuz; Tomakin, Murat; Küçükömeroğlu, Tayfur; Bacaksız, Emin (Elsevier Sci Ltd, 2019)The present paper studies the structural, compositional, morphological and optical properties of thin CdS/CdSe stacks annealed in an inert atmosphere or subjected to a CdCl2 treatment. the bilayer stacks were fabricated ... -
Analysis of CeO2/SiO2 double-layer thin film stack with antireflection effect for silicon solar cells
Kanmaz, Imran; Tomakin, Murat; Uzum, Abdullah (Springer, 2024)This study introduces CeO2/SiO2 double-layer film stacks and its antireflection coating effect. Optical properties were analyzed by spectrophotometer measurements; surface morphology and cross-sections were observed by ... -
Anti-reflective effect of CeO2 thin films produced by sol-gel method on crystalline silicon solar cells
Kanmaz, İmran; Tomakin, Murat (Springer, 2023)In this study, considering the good optical properties of CeO2 thin films, their anti-reflective effect on crystalline silicon solar cells was investigated. First molarity and then coating speed optimizations were carried ... -
A atudy on hydrothermal grown CdS nanospheres: effects of Cd/S molar ratio
The study reports the influences of altering of Cd/S molar ratio on some physical properties of hydrothermal grown CdS nanospheres. Cd/S molar ratios were chosen as 1:0.5, 1:1, 1:2, 1:3 and 1:4 in the stock solution. X-ray ... -
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. ... -
CdSe thin films-based photodetector doped with Cu, In and Ga atoms: a comparative work
Yılmaz, S.; Polat, İrem; Tomakin, Murat; Küçükömeroğlu, Tevfik; Bacaksız, Emin (Springer, 2023)The present work demonstrates a comparison of performance of Cu, In and Ga-doped CdSe thin films-based photodetectors. Structural, morphological, optical and electrical investigation of Cu, In and Ga-doped CdSe thin films ... -
CdTe thin film solar cells prepared by a low-temperature deposition method
Novruzov, V.D.; Fathi, N.M.; Görür, O.; Tomakin, Murat; Bayramov, A.I.; Schorr, S.; Mamedov, N. (Wiley, 2010)Low-temperature vacuum deposition instead of the commonly used vacuum deposition at high substrate temperatures has been applied to prepare high efficiency (CdS/CdTe) solar cells. CdS and CdTe thin films have been subsequently ... -
Changing the conductivity type of ultrasonically sprayed ZnO thin films: comparison of the effects of Li, N, and B dopants
Bayazıt, Tuğba; Güner, Sait Barış; Tomakin, Murat (Springer, 2023)ZnO is a material widely used in technological applications. However, the difficulty of preparing p-type ZnO creates a bottleneck for developing ZnO-based devices. In this study, Li, N, and B-doped ZnO thin films were ... -
Characterization of Cu(In,Ga)(Te,S)(2) thin films grown on stainless steel foil substratesIo
Karaca, Abdullah; Başol, Bülent M.; Olgar, Mehmet Ali; Büyüklimanlı, Temel; Tomakin, Murat; Küçükömeroğlu, Tayfur; Bacaksız, Emin (IOP Publishing, 2023)In this study, Cu(In,Ga)(Te,S)(2) (CIGTS) thin films with [Ga]/([In] +/- [Ga]) atomic ratios in the ranges of 0.22-0.28 and 0.50-0.67 were fabricated using a two-stage technique. During the first stage of the technique, ... -
Cold substrate method to prepare plasmonic Ag nanoparticle: deposition, characterization, application in solar cell
Nevruzoğlu, Vagif; Bal Altuntaş, Derya; Tomakin, Murat (Springer Heidelberg, 2020)In this study, the surface plasmon effects of the Ag nanoparticle were investigated depending on the substrate temperature and coating time. Deposition procedure for the Ag coating was the vacuum deposition at low substrate ... -
Comparative studies of CdS, CdS:Al, CdS:Na and CdS:(Al-Na) thin films prepared by spray pyrolysis
Yılmaz, Sevil Savaşkan; Atasoy, Yıldız; Tomakin, Murat; Bacaksız, Emin (Academic Press Ltd- Elsevier Science Ltd, 2015)In the present study, the spray pyrolysis technique was used to prepare pure CdS, 4 at.% Al-doped CdS, 4 at.% Na-doped CdS and (4 at.% Al, 4 at.% Na)-co-doped CdS thin films. It was found from X-ray diffraction data that ... -
Comparison of the impact of different chlorination treatments to ZnS and CdS thin films
Çiriş, Ali; Atasoy, Yavuz; Tomakin, Murat; Bacaksız, Emin (Elsevier, 2022)In this study, the effect of ZnCl2 and CdCl2 treatments on the structural, optical and electrical properties of ZnS and CdS thin films grown by chemical bath deposition method was examined. Employing CdCl2 or ZnCl2 treatment ... -
Controllable growth and characterization of highly aligned ZnO nanocolumnar thin films
Onuk, Zuhal; Rujisamphan, Nopporn; Murray, Roy; Bah, Mohamed; Tomakin, Murat; Shah, S. Ismat (Elsevier, 2017)We investigated the effects of growth conditions during magnetron sputtering on the structural, morphological, and optical properties of nanostructured ZnO thin films. Undoped ZnO thin films are deposited onto p-type Si ... -
Cu(In,Ga)(Se,Te)(2) films formed on metal foil substrates by a two-stage process employing electrodeposition and evaporation
Atasoy, Yavuz; Başol, Bülent M.; Olgar, Mehmet Ali; Tomakin, Murat; Bacaksız, Emin (Elsevier Science Sa, 2018)Cu(In,Ga)(Se,Te)(2) or CIGST films were grown over molybdenum coated stainless steel foil substrates using a two-stage technique. the process involved deposition of a Cu-In-Ga/Se-Te precursor stack over the Mo layer using ... -
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 ... -
Current transport mechanism in CdS thin films prepared by vacuum evaporation method at substrate temperatures below room temperature
Tomakin, Murat; Altunbaş, M.; Bacaksız, Emin; Çelik, Ş. (Elsevier, 2012)CdS thin films were deposited by vacuum deposition method at low substrate temperatures instead of the commonly used vacuum deposition at high substrate temperatures (T S > 300 K). The effect of low substrate temperature ... -
CZTS layers formed under sulfur-limited conditions at above atmospheric pressure
Olgar, Mehmet Ali; Bacaksız, Emin; Tomakin, Murat; Küçükömeroğlu, Tayfur; Başol, Bülent M. (Elsevier Sci Ltd, 2019)In this study CZTS thin films were grown by a two-stage process that involved sequential sputter deposition of metallic Cu, Zn, and Sn layers on Mo coated glass substrates followed by RTP annealing in a sulfur atmosphere ... -
Deposition and characterization of the Ag nanoparticles on absorbable surgical sutures at the cryogenic temperatures
Altuntaş, Mehmet; Beriş, Fatih Şaban; Nevruzoğlu, Vagif; Karan, Yasin; Kanat, Ayhan; Tomakin, Murat (Springer Heidelberg, 2023)Surgical sutures are one of the most widely used medical devices for wound closure. In the meantime, the suture surface and area may be exposed to many microorganisms, and surgical site infections may develop in these ... -
Deposition of CdSeTe alloys using CdTe-CdSe mixed powder source material in a close-space sublimation process
Çiriş, Ali; Başol, Bülent M.; Atasoy, Yavuz; Karaca, Abdullah; Küçükömeroğlu, Tayfur; Tomakin, Murat; Bacaksız, Emin (Springer, 2021)CdSexTe1-x films were deposited using a close-space sublimation (CSS) method and CdSe + CdTe mixed powders as the source material. Composition of the source was changed to obtain films with varying x values, and the resulting ...
