⌂ | Dobrozhan Oleksandr Anatoliyovych

Dobrozhan Oleksandr Anatoliyovych

 

 

Candidate of physical and mathematical sciences, Associate professor

 

 

Direction of scientific research:

 

 

Influence of physico-chemical conditions of production by 3D printing of nanocrystalline films of semiconductor compounds for use in photo- and thermoelectric converters.

 

Hirsch index:

 

15 http://www.scopus.com/outNid/detail.uri?outHorId=56440210700

 

 

Education:

 

1997-2007       Specialized school of І-ІІІ degrees. im. M.I. Zhuzhomi, m. Glukhiv, Ukraine
2007-2012: Faculty of Electronics and Information Technologies, specialty “Computerized control systems and automation”, Sumy State University, Sumi, Ukraine
2012-2018 Postgraduate studies at the Department of Electronics and Computer Engineering, Sumy State University, Sumi, Ukraine

 

 

Degree:

 

 

2018 Candidate of physical and mathematical sciences, specialty 01.04.01 – Physics of devices, elements and systems (Sumy State University, Ukraine);
2012 Specialist, specialty “Computerized control systems and automation” (Sumy State University, Ukraine).

 

 

Experience:

 

 

З 2017-2020 Assistant, Department of Electronics and Computer Engineering, Sumy State University, Sumy, Ukraine
З 2020 Senior lecturer, Department of Electronics and Computer Engineering, Sumy State University, Sumy, Ukraine

 

 

Teaching experience:

 

 

З 2017 End devices of subscriber access
З 2018 Solid-state electronics (practical and laboratory work)
З 2022 Physico-technological foundations of solar energy conversion

 

 

Foreign internships:

 

 

2015-2016 Academic mobility at the Catalan Institute for Energy Research (Barcelona, Spain)
2018-2019 Internship within the framework of the national scholarship program of the Slovak Republic, Slovak Academy of Sciences, Institute of Geotechnics (Košice, Slovakia)

 

 

Participation in scientific projects:

 

 

2022 NATO project within the program “Science for peace and security” under contract No. SPS G5916 “3D-printed functional elements for flexible electronic devices”
2021-2022 Project of the National Research Fund of Ukraine, “Promising semiconductor nanomaterials for the needs of flexible electronics: synthesis, development of printing methods and optimization of their structural, optical and photovoltaic properties”

 

 

Management of thesis works:

 

 

Postgraduate student Yevdokymenko Vladyslav Yuriyovych (specialty 104 – physics and astronomy)

 

 

Other activities:

 

 

Since 2017: Responsible for international activities of the Department of Electronics and Computer Engineering

 

 

Awards and honors:

 

 

2021-2022: Scholarship of the Cabinet of Ministers of Ukraine for young scientists

 

 

Certificates:

 

 

International language test certificate from TestDaF-Institut, Germany. Level – B2.

 

 

Main scientific publications:

 

 

1. Kakherskyi S.I., Dobrozhan O.A., Pshenychnyi R.M., Vorobiov S.I., Havryliuk, Ye. O., Komanicky V., Plotnikov S.V., Opanasyuk A.S. Influence of Low-Temperature Annealing on the Structure and Chemical Composition of Cu2ZnSnS4 Films Deposed on Flexible Polyimide Substrates. Materials ScienceVolume 57, Issue 4, Pages 572 – 581, January 2022 (закордонне видання, Scopus, WoS).
2. Kakherskyi S., Pshenychnyi R., Dobrozhan O., Vaziev J., Opanasyuk A., Gnatenko Y. Effect of Different Selenium Precursors on Structural Characteristics and Chemical Composition of Cu2ZnSnSe4 Nanocrystals. Acta Physica Polonica A, Volume 141, Issue 5, Pages 487 – 499, May 2022 (закордонне видання, Scopus, WoS).
3. Kakherskyi S., Pshenychnyi R., Dobrozhan O., Vaziev Ya., Bukivskii A., Bukivskij P., Gnatenko Yu., Opanasyuk A. Structural, microstructural, chemical, and optical properties of NiO nanocrystals and films obtained by 3D printing, Applied Physics A, 2021, 127, 715. (закордонне видання, Scopus, WoS, Q2).
4. Baláž M., Dobrozhan O., Tesinsky M., Zhang R.-Z., Dzunda R., Dutkova E., Rajnak M., Chen K., Reece M.J., Balaz P. Scalable and environmentally friendly mechanochemical synthesis of nanocrystalline rhodostannite (Cu2FeSn3S8), Powder Technology, 2021, 388, 192-200. (закордонне видання, Scopus, WoS, Q1).
5. Baláž P., Guilmeau E., Achimovicova M., Baláž M., Daneu N., Dobrozhan O., Kanuchova M. Bismuth doping in nanostructured tetrahedrite: Scalable synthesis and thermoelectric performance, Nanomaterials, 2021, 11, 1386. (закордонне видання, Scopus, WoS, Q1).
6. Baláž P., Achimovičová M., Baláž M., Chen K., Dobrozhan O., Guilmeau E., Hejtmánek J., Knížek K., Kubíčková L., Levinský P., Puchý V., Reece M., Varga P., Zhang R.-Z. Thermoelectric Cu-S based materials synthesized via scalable mechanochemical process, ACS Sustainable Chemistry & Engineering, 2021, 9, 2003-2016. (закордонне видання, Scopus, WoS, Q1).
7. Dobrozhan O., Baláž M., Vorobiov S., Baláž P., Opanasyuk A. Morphological, structural, optical properties and chemical composition of flexible Cu2ZnSnS4 thin films obtained by ink-jet printing of polyol-mediated nanocrystals, Journal of Alloys and Compounds 2020, 842, 155883. (закордонне видання, Scopus, WoS, Q1).
8. Dobrozhan O., Vorobiov S., Kurbatov D., Baláž M., Kolesnyk M., Diachenko O., Komanicky V., Opanasyuk A. Structural properties and chemical composition of ZnO films deposited onto flexible substrates by spraying polyol mediated nanoinks, Superlattices and Microstructure 2020, 140, 106455. (закордонне видання, Scopus, WoS, Q2).
9. Dobrozhan O., Shelest І., Stepanenko А., Kurbatov D., Yermakov M., Čerškus A., Plotnikov S., Opanasyuk А. Structure, substructure and chemical composition of ZnO nanocrystals and films deposited onto flexible substrates, Materials Science in Semiconductor Processing 2020, 108, 104879. (закордонне видання, Scopus, WoS, Q1).
10. Baláž P., Guilmeau E., Daneu N., Dobrozhan O., Baláž M., Hegedus M., Barbier T., Achimovičová M., Kaňuchová M., Briančin J. Tetrahedrites synthesized via scalable mechanochemical process and spark plasma sintering, Journal of the European Ceramic Society 2020, 40, 1922-1930. (закордонне видання, Scopus, WoS, Q1).
11. Dobrozhan O., Pshenychnyi R., Vorobiov S., Kurbatov D., Komanicky V., Opanasyuk A. Influence of the thermal annealing on the morphological and structural properties of ZnO films deposited onto polyimide substrates by inkjet printing, SN Applied Sciences 2020, 2, 365. (закордонне видання, Scopus, WoS, Q3).
12. Dobrozhan O., Diachenko O., Kolesnyk M., Stepanenko A., Vorobiov S., Baláž P., Plotnikov S., Opanasyuk A. Morphological, structural and optical properties of Mg-doped ZnO nanocrystals synthesized using polyol process. Materials Science in Semiconductor Processing 2019, 102, 104595. (закордонне видання, Scopus, WoS, Q1).
13. Baláž P., Hegedus M., Baláž M., Daneu N., Siffalovic P., Bujňáková Z., Tóthová E., Tešínsky M., Achimovičová M., Briančin J., Dutková E., Kaňuchová M., Fabián M., Kitazono S., Dobrozhan O. Photovoltaic materials: Cu2ZnSnS4 (CZTS) nanocrystals synthesized via industrially scalable, green, one-step mechanochemical process. Progress in Photovoltaics 2019, 27, 798. (закордонне видання, Scopus, WoS, Q1).
14. Ibáñez M., Genc A., Hasler R., Yu L., Dobrozhan O., Nazarenko O., de la Mata M., Arbiol J., Cabot A., Kovalenko M. Tuning transport properties in thermoelectric nanocomposites through inorganic ligands and heterostructured building blocks. ACS Nano 2019, 13, 6572. (закордонне видання, Scopus, WoS, Q1).
15. Ibáñez M., Hasler R., Genc A., Liu Yu, Kuster B., Shuster M., Dobrozhan O., Cadavid D., Arbiol J., Cabot A., Kovalenko M. Ligand-mediated band engineering in bottom-up assembled SnTe nanocomposites for thermoelectric energy conversion. Journal of the American Chemical Society 2019, 141, 8025. (закордонне видання, Scopus, WoS, Q1).
16. Diachenko O., Dobrozhan O., Opanasyuk A., Ivashchenko M., Protasova T., Kurbatov D., Čerškus A. The influence of optical and recombination losses on the efficiency of thin-film solar cells with a copper oxide absorber layer. Superlattices and Microstructures 2018, 122, 476. (закордонне видання, Scopus, WoS, Q2).
17. Dobrozhan O.A., Danylchenko P.S., Novgorodtsev A.I., Opanasyuk A.S. Optical and recombination losses in Cu2ZnSn(S,Se)4-based thin-film solar cells with CdS, ZnSe, ZnS window and ITO, ZnO charge-collecting layers. J. Nanoelectron. Optoelectron. 2017, 13, 195-207. (закордонне видання, Scopus, WoS, Q3).
18. Dobrozhan O.A., Loboda V.B., Znamenshchykov Y.V., Opanasyuk A.S., Cheong H. Structural and optical properties of Cu2ZnSnS4 films obtained by pulsed spray pyrolysis. Journal of Nano- and Electronic Physics 2017, 9 (1), 01028. (фахове, видання, Scopus, Q3).
19. Dobrozhan O.A., Opanasyuk A.S., Kurbatov D.I., Trivedi U.B., Panchal C.J., Suryavanshi P., Kheraj V.A. Thermoelectric properties of the colloidal Bi2S3-based nanocomposites. Journal of Nano- and Electronic Physics 2017, 9 (4), 04028. (фахове, видання, Scopus, Q3)
20. Ibáñez M., Hasler R., Liu Y., Dobrozhan O., Nazarenko O., Cadavid D., Cabot A., Kovalenko M.V. Tuning ptype transport in bottom-up-engineered nanocrystalline Pb chalcogenides using alkali metal chalcogenides as capping ligands. Chemistry of Materials 2017, 29 (17), 7093. (закордонне видання, Scopus, WoS, Q1).
21. Coughlan C., Ibáñez M., Dobrozhan O., Singh A., Cabot A., Ryan K.M. Compound copper chalcogenide nanocrystals. Chemical Reviews 2017, 117 (9), 5865. (закордонне видання, Scopus, WoS, Q1).
22. Liu Y., Garcia G., Ortega S., Cadavid D., Palacios P., Lu J., Ibáñez M., Xi L., De Roo J., López A.M., Martí-Sánchez S., Cabezas I., de la Mata M., Luo Z., Dun C., Dobrozhan O., Carroll D.L., Zhang W., Martins J., Kovalenko M.V., Arbiol J., Noriega G., Song J., Wahnón P., Cabot A. Solution-based synthesis and processing of Sn- and Bi-doped Cu3SbSe4 nanocrystals, nanomaterials and ring-shaped thermoelectric generators. Journal of Materials Chemistry A 2017, 5 (6), 2592. (закордонне видання, Scopus, WoS, Q1).

 

 

Main educational and methodical works according to the profile of the department

 

 

1. Methodical instructions for performing laboratory work in the discipline “Physical and technical foundations of solar energy conversion” [Electronic resource]: for students. special 171 “Electronics” of the educational program “Electronic systems and components” of all forms of education / O. A. Dobrozhan, A. S. Opanasyuk, O. V. Dyachenko, O. A. Lyubiviy. — Sumy: Sumy State University, 2022. — 71 p.
2. Methodical instructions and tasks for performing calculation and graphic work in the discipline “Physical-technological foundations of solar energy conversion” [Electronic resource]: for students. special 171 “Electronics” of the educational program “Electronic systems and components” of all forms of education / O. A. Dobrozhan, A. S. Opanasyuk. — Sumy: Sumy State University, 2022. — 37 p.
3. Physico-technological foundations of solar energy conversion [Electronic resource]: a course of lectures for students. educational and qualification level “master” special. 171 “Electronics” of the educational program “Electronic systems and components” of all forms of education / A. S. Opanasyuk, O. A. Dobrozhan. — Sumy: Sumy State University, 2022. — 223 p.

 

 

Profiles in professional networks and databases:

 

 

WOS ResearcherID:              

  

http://www.webofscience.com/wos/author/record/E-6061-2017
 
 

Scopus: 

 

 https://www.scopus.com/authid/detail.uri?authorId=56440210700
 

ResearchGate:     

          

  

 

https://www.researchgate.net/profile/Oleksandr-Dobrozhan

 

 
 

Google Scholar: 

       

 

https://scholar.google.com/citations?user=n6QI-_UAAAAJ&hl=ru&oi=ao