Metrikler
Yayın
33
Açık Erişim
3
BM Sürdürülebilir Kalkınma Amaçları
Eğitim Bilgileri
2013 - 2017
2013 - 2017Doktora
Freie Universität Berlin, Fizik, Almanya
2010 - 2013
2010 - 2013Yüksek Lisans
Freie Universität Berlin, Fizik, Almanya
2005 - 2009
2005 - 2009Lisans
Gebze Teknik Üniversitesi, Temel Bilimler Fakültesi, Fizik Bölümü, Türkiye
Yaptığı Tezler
2017
2017Doktora
Surface engineering of Cu(In,Ga)Se2 by KF and CdS – A study by high-energy photoemission spectroscopy
Freie Universität Berlin, Fizik
2012
2012Yüksek Lisans
Electronic characteristics and transport mechanisms at chemical bath deposited-Zn(S,O)/Cu(In,Ga)(S,Se)2 heterojunctions
Freie Universität Berlin, Fizik
Yabancı Diller
A2 Temel
A2 TemelFransızca
B2 Orta Üstü
B2 Orta Üstüİngilizce
B2 Orta Üstü
B2 Orta ÜstüAlmanca
Araştırma Alanları
Fizik
Akademik Ünvanlar / Görevler
2017 - Devam Ediyor
2017 - Devam EdiyorAraştırma Görevlisi Dr.
Yozgat Bozok Üniversitesi, Fen-Edebiyat Fakültesi, Fizik
2018 - 2019
2018 - 2019Araştırma Görevlisi Dr.
Yozgat Bozok Üniversitesi, Bilim ve Teknoloji Uygulama ve Araştırma Merkezi
Makaleler
Tümü (11)
SCI-E, SSCI, AHCI (11)
SCI-E, SSCI, AHCI, ESCI (11)
Scopus (11)
2021
20211. Impact of RbF post deposition treatment on CdS/CIGSe and Zn(O,S)/CIGSe interfaces-A comparative HAXPES study
ÜMSÜR B., Maticiuc N., Kodalle T., Wenisch R., Majumdar I., Wang Y., et al.
RENEWABLE ENERGY
, cilt.180, ss.626-636, 2021 (SCI-Expanded, Scopus)
2021
20212. Depth-resolved analysis of the effect of RbF post deposition treatment on CIGSe with two different Cu concentrations
Maticiuc N., Kodalle T., ÜMSÜR B., Bertram T., Wenisch R., Wang Y., et al.
SOLAR ENERGY MATERIALS AND SOLAR CELLS
, cilt.226, 2021 (SCI-Expanded, Scopus)
2019
20193. In situ investigation of as grown Cu(In,Ga)Se-2 thin films by means of photoemission spectroscopy
Calvet W., Uemsuer B., Steigert A., Prietzel K., Greiner D., Kaufmann C. A., et al.
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A
, cilt.37, sa.3, 2019 (SCI-Expanded, Scopus)
2018
20184. Cu(In, Ga)Se-2 surface treatment with Na and NaF: A combined photoelectron spectroscopy and surface photovoltage study in ultra-high vacuum
Parvan V., Mizrak A., Majumdar I., Uemsuer B., Calvet W., Greiner D., et al.
APPLIED SURFACE SCIENCE
, cilt.444, ss.436-441, 2018 (SCI-Expanded, Scopus)
2017
20175. Valence and conduction band edges of selenide and sulfide-based kesterites-a study by x-ray based spectroscopy and ab initio theory
Olar T., Manoharan A., Draxl C., Calvet W., ÜMSÜR B., Parvan V., et al.
SEMICONDUCTOR SCIENCE AND TECHNOLOGY
, cilt.32, sa.10, 2017 (SCI-Expanded, Scopus)
2017
20176. Surface modifications of Na and K metal incorporated Cu(In,Ga)Se2 absorbers investigated by synchrotron-based spectroscopies
Majumdar I., ÜMSÜR B., Chacko B., Greiner D., Lux-Steiner M. C., Schlatmann R., et al.
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 14 NO 5
, cilt.14, sa.10, 2017 (SCI-Expanded, Scopus)
2016
20167. Investigation of the potassium fluoride post deposition treatment on the CIGSe/CdS interface using hard X-ray photoemission spectroscopy - a comparative study
Uemsuer B., Calvet W., Steigert A., Lauermann I., Gorgoi M., Prietzel K., et al.
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
, cilt.18, sa.20, ss.14129-14138, 2016 (SCI-Expanded, Scopus)
2015
20158. Correlating the Local Defect-Level Density with the Macroscopic Composition and Energetics of Chalcopyrite Thin-Film Surfaces
Broeker S., Kueck D., Timmer A., Lauermann I., Uemsuer B., Greiner D., et al.
ACS APPLIED MATERIALS & INTERFACES
, cilt.7, sa.23, ss.13062-13072, 2015 (SCI-Expanded, Scopus)
2015
20159. Locally resolved investigation of wedged Cu(In,Ga)Se-2 films prepared by physical vapor deposition using hard X-ray photoelectron and X-ray fluorescence spectroscopy
Calvet W., Uemsuer B., Hoepfner B., Lauermann I., Prietzel K., Kaufmann C. A., et al.
THIN SOLID FILMS
, cilt.582, ss.361-365, 2015 (SCI-Expanded, Scopus)
2015
201510. Investigation of Cu-poor and Cu-rich Cu(In,Ga)Se-2/CdS interfaces using hard X-ray photoelectron spectroscopy
Uemsuer B., Calvet W., Hoepfner B., Steigert A., Lauermann I., Gorgoi M., et al.
THIN SOLID FILMS
, cilt.582, ss.366-370, 2015 (SCI-Expanded, Scopus)
2015
201511. Assessment of chemical and electronic surface properties of the Cu2ZnSn(SSe)(4) after different etching procedures by synchrotron based spectroscopies
Olar T., Lauermann I., Xie H., Neuschitzer M., Saucedo E., Calvet W., et al.
PROCEEDINGS OF THE EMRS 2015 SPRING MEETING - SYMPOSIUM C ON ADVANCED INORGANIC MATERIALS AND STRUCTURES FOR PHOTOVOLTAICS
, cilt.84, ss.8-16, 2015 (SCI-Expanded, Scopus)
Hakemli Bilimsel Toplantılarda Yayımlanmış Bildiriler
2020
20201. Impact of RbF Post Deposition Treatment on CdS/CIGSe and Zn(O,S)/CIGSe Interfaces – A Comparative HAXPES Study
ÜMSÜR B., Maticiuc N., Kodalle T., Majumdar I., Wang Y., Wenisch R., et al.
2nd International Conference on Photovoltaic Science and Tecjnologies (PVCon2020), 30 Kasım - 02 Aralık 2020
2017
20172. Surface Modification of Na and K Incorporated Cu(In,Ga)Se2 Absorbers Investigated by Synchrotron Based Spectroscopies
Majumdar I., ÜMSÜR B., Chacko B., Parvan V., Greiner D., Lux-Steiner M. C., et al.
E-MRS Spring Meeting, Strasbourg, Fransa, 22 - 26 Mayıs 2017
2016
20163. XPS Analysis of Cd Diffusion into Cu-poor and Cu-rich Cu(In,Ga)Se2 Solar Cell Absorbers
ÜMSÜR B., Calvet W., Bercegol A., Steigert A., Kiss J., Mirhosseini H., et al.
1st International Underground Resources and Energy Conference, Yozgat, Türkiye, 6 - 08 Ekim 2016
2016
20164. Depth profiled XPS analysis and NEXAFS study of Na, K-PDT on CIGSe as a function of deposition temperature using synchrotron radiation
Majumdar I., ÜMSÜR B., Heinemann M. D., Chacko B., Smirnov D., Calvet W., et al.
MSE Congress, Darmstadt, Almanya, 27 - 29 Eylül 2016
2016
20165. Analysis of surface composition and device performance of UHV and air-transferred CIGSe thin film solar cell absorbers on alkali-containing substrate glass
Calvet W., Majumdar I., ÜMSÜR B., Steigert A., Chacko B., Parvan V., et al.
32nd European Photovoltaic Solar Energy Conference and Exhibition, Munich, Almanya, 20 - 24 Haziran 2016
2016
20166. The band edges development in Cu2ZnSn(S,Se)4 with different [S]/([S][Se]) ratios tackled with synchrotron-based spectroscopy
Olar T., Lauermann I., Manoharan A., Pardini L., Hannewald K., Draxl C., et al.
E-MRS Spring Meeting, Lille, Fransa, 2 - 06 Mayıs 2016
2016
20167. In-situ characterization of solar cells using synchrotron techniques
Lauermann I., Mainz R., Calvet W., ÜMSÜR B., Olar T., Steigert A., et al.
E-MRS Spring Meeting, Lille, Fransa, 2 - 06 Mayıs 2016
2016
20168. The impact of thin KF, NaF, K, and Na layers on CIGS studied with SPV and XPS/UPS
Parvan V., Mızrak A. V., ÜMSÜR B., Calvet W., Steigert A., Lauermann I., et al.
E-MRS Spring Meeting, Lille, Fransa, 2 - 06 Mayıs 2016
2015
20159. Electronic and chemical surface properties of kesterite with different [S]/([S][Se]) ratios tackled by the synchrotron-based spectroscopies
Olar T., Lauermann I., Xie H., Saucedo E., Calvet W., Steigert A., et al.
Kesterite European Meeting, Newcastle, Avustralya, 19 - 20 Kasım 2015
2015
201510. Comparison of surface composition, electronic properties, and solar cell performance of UHV-transferred and air exposed CIGSe thin film solar cell absorbers
Calvet W., ÜMSÜR B., Steigert A., Lauermann I., Chacko B., Parvan V., et al.
31st European Photovoltaic Solar Energy Conference and Exhibition, Hamburg, Almanya, 14 - 18 Eylül 2015
2014
201411. Diffusion of indium in kesterite thin-film solar cells investigated by hard x-ray photoelectron spectroscopy
Olar T., Lauermann I., Xie H., Saucedo E., Calvet W., Steigert A., et al.
The 562nd Wilhelm and Else Heraeus-Seminar “From Sunlight to Fuels”, Bad-Honnef, Almanya, 11 Mayıs 2014 - 16 Mayıs 2015
2015
201512. Assessment of the Cu2ZnSnSSe4 chemical and electronic surface properties after different etching procedures by synchrotron-based spectroscopies
Olar T., Lauermann I., Xie H., Saucedo E., Calvet W., Steigert A., et al.
E-MRS Spring Meeting, Lille, Fransa, 11 - 15 Mayıs 2015
2015
201513. Investigation of the potassium fluoride-post deposition treatment on the CIGS/CdS interface using hard x-ray photoemission spectroscopy – a comparative study
ÜMSÜR B., Calvet W., Steigert A., Lauermann I., Gorgoi M., Prietzel K., et al.
E-MRS Spring Meeting, Lille, Fransa, 11 - 15 Mayıs 2015
2015
201514. Comparison of surface composition, electronic properties, and solar cell performance of UHV-transferred and air exposed CIGSe thin film solar cell absorbers.
Calvet W., ÜMSÜR B., Steigert A., Lauermann I., Chacko B., Parvan V., et al.
E-MRS Spring Meeting, Lille, Fransa, 11 - 15 Mayıs 2015
2015
201515. Investigation of KF-PDT on the CIGSe/CdS interface using hard x-ray photoemission spectroscopy
ÜMSÜR B., Calvet W., Höpfner B., Steigert A., Lauermann I., Gorgoi M., et al.
SolarTR-3, Ankara, Türkiye, 27 - 29 Nisan 2015
2014
201416. Assessment of the Cu2ZnSnSSe4 surface properties after different etching procedures by x-ray, ultraviolet and hard x-ray photoelectron spectroscopies
Olar T., Lauermann I., Xie H., Saucedo E., Calvet W., Steigert A., et al.
Kesterite European Meeting, Talin, Ermenistan, 13 - 14 Kasım 2014
2014
201417. The impact of pre-and post-deposition sodium fluoride treatments on CIGSe absorbers and solar cell performance - a comparative study using surface and bulk sensitive analysis tools
Calvet W., ÜMSÜR B., Steigert A., Lauermann I., Prietzel K., Navirian H. A., et al.
29th European Photovoltaic Solar Energy Conference and Exhibition, Amsterdam, Hollanda, 22 - 26 Eylül 2014
2014
201418. Thickness dependent investigation of wedged Cu(In,Ga)Se2 films prepared by physical vapor deposition (PVD) using hard x-ray photoelectron spectroscopy (HAXPES)
Calvet W., ÜMSÜR B., Steigert A., Höpfner B., Lauermann I., Prietzel K., et al.
E-MRS Spring Meeting, Lille, Fransa, 26 - 30 Mayıs 2014
2014
201419. Investigation of Cu-poor and Cu-rich Cu(In,Ga)Se2/CdS interfaces using hard x-ray photoelectron spectroscopy (HAXPES)
ÜMSÜR B., Calvet W., Steigert A., Höpfner B., Lauermann I., Prietzel K., et al.
E-MRS Spring Meeting, Lille, Fransa, 26 - 30 Mayıs 2014
2014
201420. Thickness dependent investigation of wedged Cu(In,Ga)Se2 films prepared by physical vapor deposition (PVD) using hard x-ray photoelectron spectroscopy (HAXPES)
Calvet W., ÜMSÜR B., Steigert A., Höpfner B., Lauermann I., Prietzel K., et al.
The 562nd Wilhelm and Else Heraeus-Seminar “From Sunlight to Fuels”, Bad-Honnef, Almanya, 11 - 16 Mayıs 2014
2013
201321. Synchrotron-based analysis of the Cu(In,Ga)Se2/CdS and Cu(In,Ga)Se2/ZnS interfaces using soft x-ray photoemission spectroscopy (SXPS) and near edge x-ray absorption fine structure spectroscopy (NEXAFS)
ÜMSÜR B., Calvet W., Höpfner B., Steigert A., Lauermann I., Lux-Steiner M. C.
International Conference on Solar Energy for World Peace, İstanbul, Türkiye, 17 - 19 Ağustos 2013
2012
201222. Development of chemical bath deposited Zn(S,O) buffer layer for cadmium free Cu-chalcopyrite thin film solar cells during the NeuMaS project
Ennaoui A., Lauermann I., ÜMSÜR B., Hergert F., Kasper W., Hahn T., et al.
27th European Photovoltaic Solar Energy Conference and Exhibition, Frankfurt, Almanya, 24 - 28 Eylül 2012