Expertise and research interests

• Ab-initio simulations on both periodic structures and finite systems.
• Halide perovskites, optical and electotronic properties, applications in optoelectronic and elecronic materials.
• Computational materials scientist with background in experimental materials engineering.

Research and teaching experience

October 2022 – today

• Postdoctoral researcher at Charles University, Faculty of Mathematics and Physics, Department of Condensed Matter Physics.
• Part of Molecular spintronics: control of spin-orbit fields Project.

October 2021 – September 2022

• Temporary lecturer at the Department of Materials Science and Engineering, University of Ioannina, Greece.
• Courses taught: Semiconducting and Dielectric Materials; Materials for Nanostructures and Micromachines; Nanotechnology.

May 2022

• Visiting lecturer at Zernike Institute of Advanced Materials, University of Groningen, Netherlands. Short course on Ab-initio simulations for semiconductors and nanostructures.

June 2019 – May 2021

• Postdoctoral researcher at Advanced Materials Group, Czech Technical University in Prague, Czech Republic.
• Part of Centre for Advanced Photovoltaics Project.
• Work included study of electronic structure for novel materials for photovoltaics, energy transfer mechanisms between organic molecules and silicon.

February 2016 – February 2019

• Researcher/Ph.D. candidate at the Department of Materials Science, University of Patras, Greece.
• Part of Perovskite Materials for Efficient Solar Cells (PERMASOL) Project lead by the Austrian Insitute of Technology (AIT) in Vienna.
• Work included finding new lead-free alternatives in halide perovskites for implementation in solar cells.

Education

February 2016 – February 2019

• Ph.D. in computational materials science, Department of Materials Science, University of Patras, Greece.
• Thesis subject: Ab-initio simulations of the electronic structure of halide and hybrid halide perovskite materials. Scholarship from AIT, Vienna.

November 2014 – January 2016

• M.Sc. in Optoelectronic and Magnetic Materials, Department of Materials Science and Engineering, University of Ioannina, Greece.
• M.Sc. thesis subject: Study of magnetic nanodomains with AFM/MFM microscopy.

September 2001 – October 2011

• Engineering Diploma, Department of Materials Science and Engineering, University of Ioannina, Greece.
• Diploma thesis subject: Study of grain-boundary magnetoconductance phenomena in LSMO/PdO composites.

November 2021 – October 2022

• M.Sc. in Accounting in the Modern Management Environment, Department of Business Administration, University of Patras, Greece.

Selected publications

1. Face-centered cubic carbon as a fourth basic carbon allotrope with properties of intrinsic semiconductors and ultra-wide bandgap.

   I. Konyashin et al, Communications Materials 2024, 5, 115. (DOI: 10.1038/s43246–024–00547–8)

2. Energy transfer between Si nanocrystals and protoporphyrin molecules as a function of distance, orientation and size.

   A. Koliogiorgos, T. Polcar, B. Rezek, Journal of Computational Chemistry 2023, 44, 1138–1147. (DOI: 10.1002/jcc.27071)

3. Electronic and Optical Properties of Ultrasmall ABX3 (A = Cs, CH3NH3/B = Ge, Pb, Sn, Ca, Sr/X = Cl, Br, I) Perovskite Quantum Dots.

   A. Koliogiorgos, C. S. Garoufalis, I. Galanakis, S. Baskoutas, ACS Omega 2018, 3(12), 18917–18924. (DOI: 10.1021/acsomega.8b02525)

4. Electronic and gap properties of lead-free perfect and mixed hybrid halide perovskites: An ab-initio study.

   A. Koliogiorgos, S. Baskoutas, I. Galanakis, Computational Materials Science 2017, 138, 92–98. (DOI: 10.1016/j.commatsci.2017.06.026)