Associate Professor
The Electronics and Computers Division
+30 2610 996794
Hours Availability:
Short Bio


Name: Mihalis Fakis
Date of Birth: 22 January 1976
Place of Birth: Athens, Greece
Father of two children
Work Address: Department of Physics, University of Patras, 26504, Patras, Greece
Tel: 0030 2610996794, 2610997488
Fax: 0030 2610997470
Email: fakis@upatras.gr

• B.Sc. in Physics, Dept. of Physics, Univ. of Patras, Greece (1997)
• M.Sc. in Physics with emphasis in Lasers, Dept. of Physics, Univ. of Patras, Greece (1999)
• Ph.D. Dept. of Physics, Univ. of Patras, Greece (2004)
Thesis Title: “Study of laser action and excited state dynamics of novel conjugated polymers” (Scholarship from the Hellenic Scholarships Foundation)

Foreign Languages
• English
• French

Employment (research and teaching posts)

• Associate Professor in Department of Physics, University of Patras, Greece (since September 2020)

• Assistant Professor in Department of Physics, University of Patras, Greece (since December 2014)
• Lecturer in Department of Physics, University of Patras, Greece (January 2011 – December 2014)
• 2005-2010: Post-doc researcher, Laser Laboratory, Dept of Physics University of Patras, Greece
• 2006-2010: Teaching Staff, Technical Institute of Patras (courses: General Physics, Optical Physics)
• July 2006-September 2006: Member of Technical Staff, Raycap Company, Maroussi Greece
• 2000-2004: PhD student
• 1997-1999: MSc student

Research Interests
• Ultrafast Lasers, Time Resolved Spectroscopy, Optical properties and ultrafast phenomena: (charge transfer dynamics, energy transfer dynamics, solvation dynamics, vibronic relaxation, rotations etc.)
• Multiphoton Absorption, Nonlinear Optics:
(Two-photon excited fluorescence, Two-photon microfabrication and data storage, z-scan)
• Development of polymer and dye lasers based on optical pumping
• Optoelectronics
(Fiber lasers, Fiber Bragg Gratings, Optical Fiber Sensors)

Teaching in the Dept. of Physics

Undergraduate Program

  • Thermodynamics – Waves – Optics, 2014-today, second semester
  • Laboratory Physics  ΙΙ, 2011- 2018, second semester
  • Laboratory Physics  ΙΙΙ, 2012- today, third  semester
  • Principles of Lasers, 2012-2015, seventh semester
  • Laboratory exercises in Lasers, 2012-today, seventh semester
  • Applied Optics, 2016- today, seventh  semester
  • Applications of Lasers, 2013-today, eight semester
  • Laboratory Physics for Biologists, 2012-2014, first semester

Post-graduate Program

  • Characterization of materials, Laboratory, 2014-today, 1st or 3rd semester.
  • Special Topics in Optics, 2017-today,  1st or 3rd semester.

Scientific visits
• June 2013
Department of Physical Chemistry, University of Geneva, Switzerland, Group of Eric Vauthey (One month work in ultrafast spectroscopy, Funding by the Swiss National Science Foundation)
• 10-12 September 2013
Picoquant Company, Berlin, Germany (training in Time Correlated Single Photon Counting Systems)

• June 2016

Department of Physical Chemistry, University of Geneva, Switzerland, Group of Eric Vauthey

• 24/11/2019-30/11/2019

Department of Physics, University of Konstanz, Germany, Group of Lucas Schmidt Mende (ultrafast spectroscopy in perovskites).

• June 2022 Department of Physics, Polytechnico di Milano, Italy, Group of Giulio Cerullo

• September 2023 Department of Physics, Polytechnico di Milano, Italy, Group of Giulio Cerullo

Invited Talks 

• Invited talk in the Institute of Chemical Engineering Sciences, Foundation of Research & Technology, Hellas, July 2011 (Lecture title: “Spectroscopy and applications using femtosecond laser pulses”)

Reviewer in the following scientific journals:

Synthetic Metals (1), Spectroscopy Letters (1), Dyes and Pigments (11), Journal of Physical Chemistry A, B, C (12), The open spectroscopy Journal (1), Journal of Luminescence (3), Materials Science and Engineering B (2), Thin Solid Films (1), Journal of Nanophotonics (1), Journal of Photochemistry and Photobiology A:Chemistry (3), Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy (1), Physical Chemistry Chemical Physics (10), Inorganic Chemistry (1), Applied Physics B (1), Journal of Molecular Structure (1 ), Chemical Physics Letters (1), Journal of Spectroscopy (1), Journal of Optoelectronics and Advanced Materials (1), Langmuir (1), BioMed Research International (1), Journal of Physical Chemistry Letters (3), Heliyon (2 ), RSC Advances (2), Molecules (2), Polymer (1), Chemistry Select (1), Optics Express (1), Applied Sciences (1), ACS Applied Energy Materials (1), Optics and Laser Technology (1 ), Sensors and Actuators A (1), The Chemical Record (1), J. Mater. Chem. A (1), Materials (2), Nanomaterials (1), J. Mater. Chem. C (1), ACS Omega (1).

External reviewer for the Portuguese Foundation for Science and Technology (FCT)

External reviewer for the Technical Institute of Athens

Internal Research Funding Program 2015

Previous Collaborations:

  • Dept. of Chemistry, University of Patras (J. Mikroyiannidis, Prof.)
  • National Hellenic Research Foundation (G. Mousdis, Senior Researcher)
  • Dept. of Chemistry, University of Patras (T. Christopoulos, Professor)

Current collaborations:

  • Department of Physics, Polytechnico di Milano, Italy (G. Cerullo, Professor).
  • Department of Physical Chemistry, University of Geneva, Switzerland (E. Vauthey, Professor).
  • Institut für Chemie, Technische Universität Berlin, Berlin, Germany / Faculty of Natural Sciences, Comenius University Bratislava, Slovakia (Dr. Peter Hrobarik)
  • Institute of Chemistry, Academia Sinica, Taipei, Taiwan (Jiann T’suen Lin, Professor)
  • Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Czech Republic (Assoc. Prof. Filip Bures)
  • Department of Physics, University of Konstanz, Germany (Lucas Schmidt Mende, Professor)
  • University of Rennes, Institut des Sciences Chmiques de Renns, France (Sylvain Achelle, Assoc. Professor)
  • Izmir Katip Celebi University, Department of Material Science and Engineering, Izmir, Turkey (Dr. S. Demic)
  • Dept. of Electrical Engineering, University of Peloponnese (E. Stathatos, Professor)
  • NCSR Demokritos, Athens Greece (Dr. G. Pistolis)
  • NCSR Demokritos, Athens Greece (Dr. M. Vasilopoulou)


  • Hellenic State Scholarships Foundation, IKY (1998-2002)
  • PYTHAGORAS I (2005-2006)
  • PEP WESTERN GREECE (2006-2008)
  • Swiss National Science Foundation (June 2013)
  • ARISTEIA II (2014-2015)
  • KARATHEODORIS 2013 (2014-2017)
  • IKYDA (2017-2019)
  • LaserLab Europe


  • Supervisor in 29 undregraduate theses.
  • Supervisor in 12 M.Sc. theses.
  • Supervisor in 2 Ph.D. theses.

Journals: 88
Chapters in Books: 2
International Conferences: 38
National Conferences: 20
Citations (excluding self citations): >1800
h-index: 25 (without self citations, Scopus)

Research Activities
  1. M. Fakis, J. Polyzos, G. Tsigaridas, J. Parthenios, A. Fragos, V. Giannetas, P. Persephonis and J. Mikroyannidis,,  Novel class of pyrylium dyes with efficiency in lasing and two photon absorption fluorescence Chemical Physics Letters, 323, 111-116 , 2000
  2. I Polyzos, G. Tsigaridas, M. Fakis, J. Parthenios, A. Fragos, V. Giannetas, P. Persephonis and J. Mikroyannidis,  Examination of spatial distribution of dyes and polymers in thin films through two photon microscopyChemical Monthly, 132, 169-175 , 2001
  3. M. Fakis, G. Tsigaridas, I. Polyzos, V. Giannetas, P. Persephonis, I. Spiliopoulos and J. Mikroyannidis,  Intensity dependent nonlinear absorption of pyrylium chromophoresChemical Physics Letters, 342, 155-161 , 2001
  4. M. Fakis, I. Polyzos, G. Tsigaridas, V. Giannetas, P. Persephonis, I. Spiliopoulos and J. Mikroyannidis,  Laser action of two novel conjugated polymers in liquid and solid matrix. The effect of aggregates in the spontaneous and stimulated emissionPhysical Review B, 65, 195-203 , 2002
  5. M. Fakis, G. Tsigaridas, I. Polyzos, V. Giannetas and P. Persephonis,  Conjugated polymer in isolated and aggregated chain environments studied by amplified spontaneous emissionPhysical Review B, 68, 035203 , 2003
  6. Ι. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis and J. Mikroyannidis, Two-photon absorption properties of novel organic materials for three – dimensional optical memoriesChemical Physics Letters ,369, 264-268, 2003
  7. G. Tsigaridas, M. Fakis, I. Polyzos, P. Persephonis and V. Giannetas, Z-scan analysis for high-order nonlinearities through Gaussian decompositionOptics Communications, 225, 253-268, 2003
  8. G.Tsigaridas, M. Fakis, Ι. Polyzos, P. Persephonis and V. Giannetas, Z-scan analysis for near-Gaussian beams through Hermite Gaussian decompositionJournal of the Optical Society of America B, 20, 670-676, 2003
  9. G. Tsigaridas, M. Fakis, I. Polyzos, P. Persephonis and V. Giannetas, Z-scan technique for elliptic Gaussian beamsApplied Physics B: Lasers and Optics, 77, 71-75, 2003
  10. G. Tsigaridas, M. Fakis, Ι. Polyzos, V. Giannetas and P. Persephonis, Z-scan technique through beam radius measurementsApplied Physics B: Laser and Optics, 76 , 83-86, 2003
  11. M. Fakis, I. Polyzos, G. Tsigaridas, V. Giannetas, P. Persephonis, I. Spiliopoulos and J. Mikroyannidis, Dual Amplified Spontaneous Emission and laser action from a model oligo(phenylene vinylene). Comparison with the corresponding polymerOptical Materials, 27, 503-507, 2004
  12. M. Fakis, I. Polyzos, G. Tsigaridas, V. Giannetas and P. Persephonis, Excited State dynamics of a partially conjugated polymer studied by femtosecond time resolved upconversion spectroscopyChemical Physics Letters 394, 372-376, 2004
  13. P. Karastatiris, J. Microyannidis, I. Spiliopoulos, M. Fakis and P. Persephonis, Luminescent poly(phenylene vinylene) derivatives with m-terphenyl or 2,6-diphenylpyridine kinked segments along the main chain: Synthesis, characterization and stimulated emissionJournal of Polymer Science Part A: Polymer Chemistry 42, 2214-2224, 2004
  14. G. Tsigaridas, A. Fragos, I. Polyzos, M. Fakis, A. Ioannou, V. Giannetas, and P. Persephonis, Evolution of near-soliton initial profiles in nonlinear wave equations through their Backlund transformsChaos, Solitons and Fractals 23, 1841-1854, 2005
  15. D. Anestopulos, M. Fakis, G. Tsigaridas, I. Polyzos, P. Persephonis and V. Giannetas, Study of the isotropic and anisotropic fluorescence of two oligothiophenes by femtosecond time-resolved spectroscopyJournal of Physical Chemistry B. 109, 9476-9481, 2005
  16. I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas and P. Persephonis, Three Photon Induced Photobleaching in a 3-D Memory MaterialOptics Letters 30, 2654-2656, 2005
  17. D. Anestopoulos, M. Fakis, V. Giannetas, P. Persephonis and J. Mikroyannidis, Excitation Energy transfer in a water-soluble conjugated co-polymer studied through time resolved anisotropy and fluorescence dynamicsChemical Physics Letters 421, 205–209, 2006
  18. M. Fakis, D. Anestopoulos, V. Giannetas, P. Persephonis and J. Mikroyannidis, Femtosecond time resolved fluorescence dynamics of a cationic water-soluble poly(fluorenevinylene-co-phenylenevinylene)Journal of Physical Chemistry B 110, 12926-12931, 2006
  19. M. Fakis, D. Anestopoulos, V. Giannetas, P. Persephonis, Influence of aggregates and solvent aromaticity on the emission of conjugated polymersJournal of Physical Chemistry B 110, 24897-24902, 2006
  20. I. Polyzos, G. Tsigaridas, M. Fakis, V. Giannetas, P. Persephonis and J. Mikroyannidis, Substituent effect on the Photobleaching of Pyrylium salts under ultra-short pulsed illuminationJournal of Physical Chemistry B 110, 2593-2597, 2006
  21. I. Fitilis, M. Fakis, I. Polyzos, V. Giannetas, P. Persephonis, P. Vellis and J. Mikroyannidis, A two-photon absorption study of fluorene and carbazole derivatives. The role of the central core and the solvent polarityChemical Physics Letters 447, 300-304, 2007
  22. D. Anestopoulos, M. Fakis, G. Mousdis, V. Giannetas, P. Persephonis, Fluorescence and anisotropy dynamics of a –CHO substituted terhiopheneSynthetic Metals 157, 30–34, 2007
  23. I. Fitilis, M. Fakis, I. Polyzos, V. Giannetas, P. Persephonis, J. Mikroyannidis, Strong two-photon absorption and photophysical properties of symmetrical chromophores with electron accepting edge substituentsJournal of Physical Chemistry A 112, 4742-4748, 2008
  24. D. Tasis, M. Fakis, J. Mikroyannidis, K. Papagelis, Carbon Nanotube-Fluorenevinylene Hybrids: Synthesis and Photophysical PropertiesChemical Physics Letters 483, 241 , 2009
  25. M. Fakis, V. Gianneta, P. Persephonis, V. Giannetas, A.G. Nassiopoulou, Photoluminescence in the blue spectral region from fluorene molecules embedded in porous anodic alumina thin films on siliconOptical Materials 31, 1184-1188, 2009
  26. M. Fakis, P. Persephonis, V. Giannetas F. Zacharatos, V. Gianneta and A. G. Nassiopoulou, Photoluminescence properties of fluorenes-porous silicon compositesMaterials Science and Engineering B, 252, 2009
  27. J. Mikroyannidis, M. Fakis, I. Spiliopoulos, Photophysical and electrochemical characterization of new poly-arylenevinylene co-polymers containing quinoline or bis-quinoline segmentsJournal of Polymer Science Part A: Polymer Chemistry 47, 3370-3379, 2009
  28. M. Fakis, I. Fitilis, S. Stefanatos, P. Vellis, J. Mikroyannidis, V. Giannetas, P. Persephonis, Photophysics and two-photon absorption of a series of quadrupolar and tribranched molecules. The role of the edge substituentDyes and Pigments 81, 63-68, 2009
  29. V. Hrobáriková, P. Hrobárik, P. Gajdoš, I. Fitilis, M. Fakis, P. Persephonis and P. Zahradník, Benzothiazole-Based Fluorophores of Donor-pi-Acceptor-pi-Donor Type Displaying High Two-Photon AbsorptionJournal of Organic Chemistry 75, 3053, 2010
  30. I. Fitilis, M. Fakis, J. Polyzos, V. Giannetas, P. Persephonis, Two-photon polymerization of a diacrylate using fluorene photoinitiators-sensitizersJ. Photochem. Photobiol. A: Chem. 215, 25–30, 2010
  31. . A. Trantakis, M. Fakis, S. S. Tragoulias, T. K. Christopoulos, P. Persephonis, V. Giannetas, P. Ioannou, Ultrafast fluorescence dynamics of Sybr Green I/DNA complexesChemical Physics Letters, 485, 187-190, 2010
  32. M. Fakis, V. Giannetas, and J. Mikroyannidis, Ultrafast solvation and anisotropy dynamics in a new tribranched molecule based on triphenylamine coreDyes and Pigments 87, 44, 2010
  33. P. Hrobarik, V. Hrobarikova, I. Sigmundova, P. Zahradnik, M. Fakis, I. Polyzos, P. Persephonis, Benzothiazoles with Tunable Electron-Withdrawing Strength and Reverse Polarity:A Route to Triphenylamine-Based Chromophores with Enhanced Two-Photon AbsorptionJournal of Organic Chemistry 76 , 8726–8736, 2011
  34. M. Fakis, E. Stathatos, G. Tsigaridas, V. Giannetas, P. Persephonis, Femtosecond Decay and Electron Transfer Dynamics of the Organic Sensitizer D149 and Photovoltaic Performance in Quasi-Solid State Dye-Sensitized Solar CellsJournal of Physical Chemistry C 115, 13429-13437 , 2011
  35. M. Giannouli, M. Fakis, Interfacial electron transfer dynamics and photovoltaic performance of TiO2 and ZnO solar cells sensitized with Coumarin 343 Journal of Photochemistry and Photobiology A: Chemistry 226 , 42-50, 2011
  36. M. Fakis, P. Hrobárik, E. Stathatos, V. Giannetas, P. Persephonis, A time resolved fluorescence and quantum chemical study of the solar cell sensitizer Dyes and Pigments 96, 304-312, 2013
  37. M. Fakis, M. Dori, E. Stathatos, Hsien-Hsin Chou, Yung-Sheng Yen, Jiann T’suen Lin, V. Giannetas, P. Persephonis, Electron injection in TiO2 films and quasi-solid state solar cells sensitized with a dipolar fluorene organic dye Journal of Photochemistry and Photobiology A: Chemistry 251 , 18–24, 2013
  38. M. Dori, K. Seintis, E. Stathatos, G. Tsigaridas, T.-Y. Lin, J. T. Lin, M. Fakis, V. Giannetas, P. Persephonis , Electron injection studies on TiO2 nanocrystalline films sensitized with fluorene dyes and photovoltaic characterization. The effect of co-adsorption of a bile acid derivative. Chemical Physics Letters 563, 63–69, 2013
  39. M. Vasilopoulou, D. G. Georgiadou, A. Soultati, N. Boukos, S. Gardelis, L. C. Palilis, M. Fakis, G. Skoulatakis, S. Kennou, M. Botzakaki, S. Georga, C. A. Krontiras, F. Auras, D. Fattakhova-Rohlfing, T. Bein, T. A. Papadopoulos, D. Davazoglou, P. Argitis , Atomic Layer Deposited Aluminum and Zirconium Oxides for Surface Passivation of TiO2 in High-Efficiency Organic PhotovoltaicsAdvanced Energy Materials, 1400214, 2014
  40. Peter Hrobárik, Veronika Hrobáriková, Vladislav Semak, Peter Kasák, Erik Rakovský, Ioannis Polyzos, Mihalis Fakis, Peter Persephonis, Benzobisthiazoles as Building Blocks for Quadrupolar Fluorophores with Large Two-Photon Absorption Cross-SectionsOrganic Letters, 16, 6358–6361, 2014
  41. M. Fakis, P. Hrobárik, O. Yushchenko, I. Sigmundová, M. Koch, A. Rosspeintner, E. Stathatos, E. Vauthey, Excited State and Injection Dynamics of Triphenylamine Sensitizers Containing Benzothiazole Electron-Accepting Group on TiO2 and Al2O3 Thin FilmsJournal of Physical Chemistry C, 118, 28509–28519, 2014
  42. N. Karakostas, I. M. Mavridis, K. Seintis, M. Fakis, E. N. Koini, I. D. Petsalakis and G. Pistolis, Highly efficient and unidirectional energy transfer within a tightly self-assembled host–guest multichromophoric arrayChemical Communications 50, 1362-1365, 2014
  43. M. Vasilopoulou, D. G. Georgiadou, A. M. Douvas, A. Soultati, V. Constantoudis, D. Davazoglou, S. Gardelis, L. C. Palilis, M. Fakis, S. Kennou, T. Lazarides, A. G. Coutsolelos and P. Argitis, Porphyrin oriented self-assembled nanostructures for efficient exciton dissociation in highly performing organic photovoltaicsJournal of Materials Chemistry A 2, 182, 2014
  44. A. Soultati, A. M. Douvas, D. G. Georgiadou, L. C. Palilis, J. M. Feckl, S. Gardelis, M. Fakis, S. Kennou, P. Falaras, T. Stergiopoulos, N. A. Stathopoulos, D. Davazoglou, P. Argitis and M. Vasilopoulou, Solution processed hydrogen molybdenum bronzes as highly conductive anode interlayers in efficient organic photovoltaicsAdvanced Energy Materials 4, 1300896, 2014
  45. M. Can, Z. Yigit, D. Karageorgopoulos, K. Seintis, V. Giannetas, S. Demic, M. Fakis and E. Stathatos , Synthesis, electron injection studies and photovoltaic characterization of two triphenylamine based organic sensitizersSynthetic Metals 188, 77– 85, 2014
  46. G. Tsigaridas, D. Polyzos, A. Ioannou, M. Fakis and P. Persephonis, Theoretical and experimental study of refractive index sensors based on etched fiber Bragg gratings Sensors and Actuators A. Physical 209, 9-15, 2014
  47. N. Karakostas, E. Martinou, A. Kaloudi Chantzea, K. Seintis, H. Oberacher, F. Pitterl, M. Fakis, J. K. Kallitsis and G. Pistolis, Energy Transfer within Self-Assembled Cyclic Multichromophoric Arrays Based on Orthogonally Arranged Donor – Acceptor Building BlocksFaraday Discussions 185, 433-454, 2015
  48. D. Cvejn, E. Michail, I. Polyzos, N. Almonasy, O. Pytela, M. Klikar, T. Mikysek, V. Giannetas, M. Fakis and F. Bureš, Modulation of (non)linear optical properties in tripodal molecules by variation of the peripheral cyano acceptor moieties and the π-spacerJournal of Materials Chemistry C, 3 , 7345-7355, 2015
  49. N. Droseros, K. Seintis, M. Fakis, S. Gardelis and A. Nassiopoulou, Steady state and time resolved photoluminescence properties of CuInS2/ZnS quantum dots in solutions and in solid filmsJournal of Luminescence, 167, 333-338, 2015
  50. An. Margalias, K. Seintis, M.Z. Yigit, M. Can, D. Sygkridou, V. Giannetas, M. Fakis, E. Stathatos, The effect of additional electron donating group on the photophysics and photovoltaic performance of two new metal free D–A sensitizersDyes and Pigments, 121, 316-327, 2015
  51. A. Kaloudi-Chantzea, E. Martinou, K. Seintis, N. Karakostas, P. Giastas, F. Pitterl, H. Oberacher, M. Fakis and G. Pistolis, Formation of a A Highly–Ordered Rigid Multichromophoric 3D Supramolecular Network by Combining Ionic and Coordination – Driven Self – AssemblyChemical Communications 52, 3388-3391, 2016
  52. D. Cvejn, E. Michail, K. Seintis, M. Klikar, O. Pytela, T. Mikysek, N. Almonasy, M. Ludwig, V. Giannetas, M. Fakis and F. Bureš, Solvent and branching effect on the two-photon absorption properties of push-pull triphenylamine derivativesRSC Advances, 6, 12819-12828, 2016
  53. V. Papamakarios, E. Polydorou, A. Soultati, N. Droseros, D. Tsikritzis, A. Douvas, L. Palilis, M. Fakis, S. Kennou, P. Argitis and M. Vasilopoulou, Surface Modification of ZnO Layers via Hydrogen Plasma Treatment for Efficient Inverted Polymer Solar CellsACS Applied Materials and Interfaces, 8, 1194–1205, 2016
  54. M. Tountas, Y. Topal, M. Kus, M. Ersöz, M. Fakis, M. Vasilopoulou, Water-Soluble Lacunary Polyoxometalates with Excellent Electron Mobilities and Hole Blocking Capabilities for High Efficiency Fluorescence and Phosphorescent Organic Light Emitting DiodesAdvanced Functional Materials, 26, 2655–2665 , 2016
  55. E. Polydoroua, I. Sakellis, A. Soultati, A. Kaltzoglou, T. A. Papadopoulos, J. Briscoe, D. Tsikritzis, M. Fakis, L. C. Palilis, S. Kennou, P. Argitis, P. Falaras, D. Davazoglou and M. Vasilopoulou, Avoiding ambient air and light induced degradation in high-efficiency polymer solar cells by the use of hydrogen-doped zinc oxide as electron extraction materialNano Energy 34, 500–514, 2017
  56. S. Gardelis, M. Fakis, N. Droseros, D. Georgiadou, A. Travlos and A. Nassiopoulou, Energy transfer in aggregated CuInS2/ZnS core-shell quantum dots deposited as solid filmsJournal of Physics D: Applied Physics, 50, 035107, 2017
  57. K. Seintis, D. Agathangelou, D. Cvejn, N. Almonasy, F. Bureš, V. Giannetas, M. Fakis, Femtosecond to nanosecond studies of octupolar molecules and their quadrupolar and dipolar analoguesPhysical Chemistry Chemical Physics, 19, 6485-16497, 2017
  58. E. Martinou, K. Seintis, N. Karakostas, A. Bletsou, N. Thomaidis, M. Fakis and G. Pistolis, he Dynamics of Intramolecular Energy Hopping in Multi-Bodipy Self – Assembled Metallocyclic Species: A Tool For Probing Subtle Structural Distortions in SolutionJournal of Physical Chemistry C, 121, 5341–5355, 2017
  59. E. Polydorou, M. A. Botzakaki, I. Sakellis, A. Soultati, A. Kaltzoglou, T. A. Papadopoulos, J. Briscoe, C. Drivas, K. Seintis, M. Fakis, L. C. Palilis, S. N. Georga, C. A. Krontiras, S. Kennou, P. Falaras, N. Boukos, D. Davazoglou, P. Argitis and M. Vasilopoulou , Improved Stability of Polymer Solar Cells in Ambient Air via Atomic Layer Deposition of Ultrathin Dielectric LayersAdvanced Materials Interfaces 4, 1700231 (1-12), 2017
  60. M. Tountas, Y. Topal, E. Polydorou, A. Soultati, A. Verykios, A. Kaltzoglou, T. A. Papadopoulos, F. Auras, K. Seintis, M. Fakis, L. C. Palilis, D. Tsikritzis, S. Kennou, M. Koutsoureli, G. Papaioannou, M. Ersöz, M. Kus, P. Falaras, D. Davazoglou, P. Argitis and M. Vasilopoulou, Low Work Function Lacunary Polyoxometalate Electron Transport Interlayers for inverted Polymer Solar Cells of Improved Efficiency and StabilityACS Applied Materials and Interfaces 9, 22773–22787, 2017
  61. M. Tountas, Y. Topal, A. Verykios, A. Soultati, A. Kaltzoglou, T. A. Papadopoulos, F. Auras, K. Seintis, M. Fakis, L. C. Palilis, D. Tsikritzis, S. Kennou, A. Fakharuddin, L. Schmidt-Mende, S. Gardelis, M. Kus, P. Falaras, D. Davazoglou, P. Argitis, M. Vasilopoulou, A silanol-functionalized polyoxometalate with excellent electron transfer mediating behavior to ZnO and TiO2 cathode interlayers for highly efficient and extremely stable polymer solar cellsJournal of Materials Chemistry C 6, 1459-1469, 2018
  62. M. Fakis, J. S. Beckwith, K. Seintis, E. Martinou, C. Nançoz, N. Karakostas, I. Petsalakis, G. Pistolis, E. Vauthey, Energy Transfer and Charge Separation Dynamics in Photoexcited Pyrene-Bodipy Molecular DyadsPhysical Chemistry Chemical Physics, 20, 837-849 , 2018
  63. A. Verykios, M. Papadakis, A. Soultati, M.-C. Skoulikidou, G. Papaioannou, S. Gardelis, I. D. Petsalakis, G. Theodorakopoulos, V. Petropoulos, L. C. Palilis, M. Fakis, N. A. Vainos, D. Alexandropoulos, D. Davazoglou, G. Pistolis, P. Argitis, A. G. Coutsolelos, M. Vasilopoulou, Functionalized Zinc Porphyrins with Various Peripheral Groups for Interfacial Electron Injection Barrier Control in Organic Light Emitting DiodesACS Omega, 3, 10008–10018, 2018
  64. A. Koutsoubelitis, K. Seintis, D. Tsikritzis, J. Oriou, C. Brochon, E. Cloutet, G. Hadziioannou, M. Vasilopoulou, S. Kennou, M. Fakis, L. C. Palilis, Photophysics, Electronic Structure and Solar Cell Performance of a Donor-Acceptor Poly(N-dodecyl-2,7-carbazole-alt-benzothiadiazole)Organic Electronics 59, 202-212, 2018
  65. M. Tountas, D. G. Georgiadou, A. Zeniou, K. Seintis, A. Soultati,E. Polydorou, S. Gardelis, A. M. Douvas, T. Speliotis, D. Tsikritzis, S. Kennou, M. Fakis, E. Gogolides, D. Tsoukalas, P. Argitis, M. Vasilopoulou , Plasma induced degradation and surface electronic structure modification of Poly(3-hexylthiophene) filmsPolymer Degradation and Stability Polymer Degradation and Stability 149, 162-172, 2018
  66. K. Seintis, Ç. Şahin, I. Sigmundová, E. Stathatos, P. Hrobárik, M. Fakis, Solvent-Acidity-Driven Change in Photophysics and Significant Efficiency Improvement in Dye-Sensitized Solar Cells of a Benzothiazole-Derived Organic SensitizerJ. Physical Chemistry C 122, 20122−20134, 2018
  67. M Klikar, K. Seintis, I. Polyzos, O. Pytela, T. Mikysek, N. Almonasy, M. Fakis, F. Bures, Star‐shaped push‐pull molecules with varied number of peripheral acceptors: An insight into their optoelectronic featuresChemPhotoChem, 2, 465-474, 2018
  68. N. Balis, A. Verykios, A. Soultati, V. Constantoudis, M. Papadakis, F. Kournoutas, C. Drivas,M. C. Skoulikidou, Spyros Gardelis, M. Fakis, S. Kennou, A. G. Kontos, A. G. Coutsolelos, P. Falaras, M. Vasilopoulou, Triazine-Substituted Zinc Porphyrin as an Electron Transport Interfacial Material for Efficiency Enhancement and Degradation Retardation in Planar Perovskite Solar CellsACS Applied Energy Materials 1, 3216–3229, 2018
  69. N. Karakostas, V. S. Petrakis, F. Kournoutas, I. M. Mavridis, E. Martinou, E. Efthimiadou, M. Fakis, G. Pistolis, Cooperative Self-Assembly Enables Two-Dimensional H-type Aggregation of a Sterically Crowded Perylene-Bisimide DimerCryst. Growth Des. 19, 4252-4263, 2019
  70. A. Soultati, A Fakharuddin, E. Polydorou, C. Drivas, A. Kaltzoglou, M. Irfan Haider, F. Kournoutas, M. Fakis, L. C. Palilis, S. Kennou, D. Davazoglou, P. Falaras, P. Argitis, S. Gardelis, A. Kordatos, A. Chroneos, L. Schmidt-Mende, M. Vasilopoulou, Lithium Doping of ZnO for High Efficiency and Stability Fullerene and Non-fullerene Organic Solar CellsACS Appl. Energy Mater. 2019, 231663-1675, 2019
  71. A. Soultati, A. Verykios, T. Speliotis, M. Fakis, I. Sakellis, H. Jaouani, D. Davazoglou, P. Argitis, M. Vasilopoulou, Organic solar cells of enhanced efficiency and stability using zinc oxide:zinc tungstate nanocomposite as electron extraction layerOrganic Electronics 71 , 227–237, 2019
  72. F. Kournoutas, K. Seintis, N. Karakostas, J. Tydlitát, S. Achelle, G. Pistolis, F. Bureš, M. Fakis, Photophysical and Protonation Time Resolved Studies of DonorAcceptor Branched Systems With Pyridine AcceptorsJ. Physical Chemistry A 123, 417-428, 2019
  73. F. Kournoutas, A. Fihey, J.-P. Malval, A. Spangenberg, M. Fecková, P. le Poul, C. Katan, F. Robin-le Guen, F. Bureš, S. Achelle, M. Fakis, Branching effect on the linear and nonlinear optical properties of styrylpyrimidinesPhysical Chemistry Chemical Physics 22, 4165-4176, 2020
  74. K. Seintis, I. Kalis, M. Klikar, F. Bures, M. Fakis, Excitation/detection energy controlled anisotropy dynamics in asymmetrically cyano substituted tri-podal moleculePhysical Chemistry Chemical Physics 22, 16681-16690, 2020
  75. F. Kournoutas, I. K. Kalis, M. Fecková, S. Achelle, M. Fakis, The effect of protonation on the excited state dynamics of pyrimidine chromophoresJournal of Photochemistry & Photobiology, A: Chemistry 391 , 112398, 2020
  76. K. Tsevas, J. A. Smith, V. Kumar, C. Rodenburg, M. Fakis, A. Rashid bin Mohd Yusoff, M. Vasilopoulou, D. G. Lidzey, M. K. Nazeeruddin, and A. D. F. Dunbar, Controlling PbI2 Stoichiometry during Synthesis to Improve the Performance of Perovskite PhotovoltaicsChemistry of Materials 33, 554–566, 2021
  77. R. Plaza-Pedroche, D. Georgiou, M. Fakis, A. Fihey, C. Katan, F. Robin-le Guen, S. Achelle, and J. Rodríguez-López, Effect of protonation on the photophysical properties of 4-substituted and 4,7-disubstituted quinazoline push-pull chromophoresDyes and Pigments 185 , 108948, 2021
  78. M. Fecková, I. K. Kalis, T. Roisnel, P. le Poul, O. Pytela, M. Klikar, F. Robin-le Guen, F. Bureš, M. Fakis, and S Achelle, Photophysics of 9,9-dimethylacridan substituted phenylstyrylpyrimidines exhibiting long lived intramolecular charge transfer fluorescence and aggregation induced emission characteristicsChemistry A European Journal 27, 1145-1159, 2021
  79. J. Nociarova, P. Osusky, E. Rakovsky, D. Georgiou, I. Polyzos, M. Fakis and P. Hrobarik Direct Iodination of Electron-Deficient Benzothiazoles: Rapid Access to Two-Photon Absorbing Fluorophores with Quadrupolar (D–A–D) Architecture and Tunable Heteroaromatic Core, Organic Letters 23, 3460–3465, 2021.
  80. P. Osusky, J. Nociarova, M. Smolicek, R. Gyepes, D. Georgiou, I. Polyzos, M. Fakis and P. Hrobarik, Oxidative C-H Homocoupling of Push-Pull Benzothiazoles: An Atom-Economical Route To Highly Emissive Quadrupolar Arylamine-Functionalized 2,2′-Bibenzothiazoles with Enhanced Two-Photon Absorption, Organic Letters 23,  5512–5517, 2021.
  81.  A. Verykios, A. Soultati, K. Tourlouki, C. Katsogridakis, C. Chochos, D. Alexandropoulos, V. Vidali, P. Stylianos, K. Yanakopoulou, D. Dimotikali, M. Fakis, L. C. Palilis, N. Stathopoulos, G. Pistolis, P. Skandamis, P. Argitis and M. Vasilopoulou Commercially available chromophores as low-cost efficient electron injection layers for organic light emitting diodesJ. Phys. D Appl. Phys. 55, 215106, 2022.
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  83. M. Fakis, V. Petropoulos, P. Hrobárik, J. Nociarová, P. Osuský, M. Maiuri and G. Cerullo, Exploring Solvent and Substituent Effects on the Excited State Dynamics and Symmetry Breaking of Quadrupolar Triarylamine End-Capped Benzothiazole Chromophores by Femtosecond Spectroscopy,  Journal of Physical Chemistry B 126, 8532–8543, 2022.
  84. S. Katsiaounis, N. Chourdakis, E. Michail, M. Fakis, I. Polyzos, J. Parthenios and K. Papagelis, Graphene nano-sieves by femtosecond laser irradiation,  Nanotechnology 34, 105302, 2023.
  85. V. Petropoulos, I. Georgoulis, C. Vourdaki, P. Hrobárik, I. Sigmundová, J. Nociarová, M. Maiuri, G. Cerullo and M. Fakis,Ultrafast Photophysics of Regioisomeric Triphenylamine Dyes having Dipolar D-π-A-A and Octupolar D-(π-A-A)3 Character with a Benzothiazole Unit in Matched or Mismatched Orientation ChemPhysChem 24, e202300127, 2023.
  86. P. Šimon, M. Klikar, Z. Burešová, C. Vourdaki, A. Katsidas, J. Tydlitát, J. Kulhánek, J. Zelenka, M. Fakis, and F. BurešCentripetal triazine chromophores: Towards efficient two-photon absorbers and highly emissive polyimide films Journal of Materials Chemistry C 11, 7252-7261, 2023.
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