Yazar "Başol, Bülent M." için listeleme
-
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 ... -
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, ... -
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 ... -
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 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 ... -
Effect of CdS and CdSe pre-treatment on interdiffusion with CdTe in CdS/CdTe and CdSe/CdTe heterostructures
Çiriş, Ali; Başol, Bülent M.; Atasoy, Yavuz; Küçükömeroğlu, Tayfur; Karaca, Abdullah; Tomakin, Murat; Bacaksız, Emin (Elsevier, 2021)High efficiency CdTe solar cell structure has the configuration of CdS/CdSe/CdTe. Depending on the deposition and post deposition techniques employed, this stack is often subjected to high temperatures, often in presence ... -
Effect of heat treating metallic constituents on the properties of Cu2ZnSnSe4 thin films formed by a two-stage process
Olgar, Mehmet Ali; Başol, Bülent M.; Atasoy, Yavuz; Tomakin, Murat; Aygün, Gülnur; Özyüzer, Lütfi; Bacaksız, Emin (Elsevier Science Sa, 2017)In this study Cu2ZnSnSe4 (CZTSe) thin films were grown by a two-stage process that involved sputter deposition of a Cu/Sn/Zn/Cu metallic stack, annealing the stack at various temperatures for 30 min, evaporation of a Se ... -
Effect of ultra-thin CdSexTe1−x interface layer on parameters of CdTe solar cells
Çiriş, Ali; Başol, Bülent M.; Atasoy, Yavuz; Karaca, Abdullah; Tomakin, Murat; Küçükömeroğlu, Tayfur; Bacaksız, Emin (Elsevier, 2022)Effects of an ultra-thin CdSexTe1-x junction interface layer on CdTe solar cell parameters were investigated employing a CdSexTe1-x/CdTe absorber structure. CdSexTe1-x thin films with varying composition were grown by ... -
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 ... -
Influence of copper composition and reaction temperature on the properties of CZTSe thin films
Olgar, Mehmet Ali; Atasoy, Yıldız; Başol, Bülent M.; Tomakin, Murat; Aygün, Gülnur; Özyüzer, Lütfi; Bacaksız, Emin (Elsevier Science Sa, 2016)In this study Cu2ZnSnSe4 (CZTSe) compound layers were grown using a two-stage technique that involved deposition of metallic precursors (Cu, Zn, and Sn) and Se in the first stage, followed by reaction of all the species ... -
Influence of pre-annealing Cu-Sn on the structural properties of CZTSe thin films grown by a two-stage process
Olgar, Mehmet Ali; Başol, Bülent M.; Tomakin, Murat; Seyhan, Ayşe; Bacaksız, Emin (Elsevier Sci Ltd, 2018)In this study CZTSe thin film were synthesized by a two-stage process that included sequential sputter deposition of Cu and Sn layers forming a Cu/Sn structure, pre-annealing the Cu/Sn structure at 200-380 degrees C for ... -
Phase transformation in Cu2SnS3 (CTS) thin films through pre-treatment in sulfur atmosphere
Olgar, Mehmet Ali; Başol, Bülent M.; Tomakin, Murat; Bacaksız, Emin (Springer, 2021)In this study, Cu2SnS3 (CTS) thin films prepared by a two-step sulfurization process were characterized. Cu and Sn metallic layers were first deposited on glass substrates by sputtering and then annealed in-situ while in ... -
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 ... -
Processing CdS- and CdSe-containing window layers for CdTe solar cells
Çiriş, Ali; Başol, Bülent M.; Atasoy, Yavuz; Karaca, Abdullah; Tomakin, Murat; Küçükömeroğlu, Tayfur; Bacaksız, Emin (Elsevier, 2021)The influence of heat treatment steps on the characteristics of (CdS, CdSe) junction partners and on solar cell performance was studied. CdS films were obtained by chemical bath deposition, and CdSe layers were evaporated. ...
