Λευθεριώτης Γεώργιος

Τίτλος:
Καθηγητής
Τομέας:
Τομέας Εφαρμοσμένης Φυσικής
Γραφείο:
2ος όροφος Α' κτηρίου Φυσικής
Διεύθυνση:
Πανεπιστήμιο Πατρών 26500 ΡΙΟΝ
Τηλέφωνο:
+30 2610 996793
Email:
glefther@upatras.gr
Ώρες Διαθεσιμοτητας:
Δευτέρα 2-3, Τετάρτη 11-12, Πέμπτη 1-2 (πρώτα συνεννόηση με e-mail)
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    Σύντομο Βιογραφικό

    ΣΠΟΥΔΕΣ

    Προπτυχιακές:

    Πτυχίο Φυσικής. Πανεπιστήμιο Πατρών, Σεπτ. 1983- Σεπτ. 1987.

    Βαθμός Πτυχίου: Λίαν Καλώς

    Μεταπτυχιακές:

    MSc (by research, with distinction) in Engineering. Πανεπιστήμιο του Warwick, Αγγλία, Ιαν. 1988- Μαϊ. 1989.

    Ερευνητικό πεδίο: Αιολική Ενέργεια

    Τίτλος Διατριβής: “Investigation of the vortex field generated by a slender delta wing and development

     of a procedure for the design of a wind turbine to operate in this field”

    PhD in Engineering.  Πανεπιστήμιο του Warwick, Αγγλία, Ιαν. 1990- Αυγ. 1992.

    Ερευνητικό πεδίο: Αιολική Ενέργεια

    Τίτλος Διατριβής: “Development of wind turbines to operate in modified axial flows which contain

    swirl velocities and non-uniform distributions”

     

     ΕΠΑΓΓΕΛΜΑΤΙΚΗ ΕΜΠΕΙΡΙΑ

    Από 24-2-2023 Καθηγητής, Πανεπιστήμιο Πατρών, Τμήμα Φυσικής.

    Από 3-3-2016: Αναπληρωτής Καθηγητής, Πανεπιστήμιο Πατρών, Τμήμα Φυσικής.

    Από 18-9-2009 έως 3-3-2016: Επίκουρος Καθηγητής, Πανεπιστήμιο Πατρών, Τμήμα Φυσικής.

    Από 5-6-2001 έως 18-9-2009: Περιφέρεια Δυτικής Ελλάδας, με αντικείμενο την αδειοδότηση έργων Α.Π.Ε. (αιολικά πάρκα, μικροί υδροηλεκτρικοί σταθμοί, φωτοβολταϊκοί σταθμοί).

    Από 1-2-1996 έως 5-6-2001: Ερευνητής, Εργαστήριο Α.Π.Ε., Τμήμα Φυσικής, Πανεπιστήμιο Πατρών.

    Από 1-9-1995 έως 30-6-2001: Επιστημονικός συνεργάτης, ΤΕΙ Πάτρας.

    ΕΡΕΥΝΗΤΙΚΑ ΕΝΔΙΑΦΕΡΟΝΤΑ

    • Υλικά και διατάξεις για παραγωγή ηλιακής ενέργειας: Φωτοβολταϊκά 3ης γενιάς.
    • Υλικά και διατάξεις για εξοικονόμηση ενέργειας στα κτήρια: Ηηλεκτροχρωμικά και φωτοηλεκτροχφωμικά”έξυπνα” παράθυρα, επιστρώσεις χαμηλής εκπεμψιμότητας.
    • Αεροδυναμική σχεδίαση ανεμογεννητριών.

    ΕΡΕΥΝΗΤΙΚΗ ΔΡΑΣΤΗΡΙΟΤΗΤΑ

    Δημοσιεύσεις σε διεθνή περιοδικά με κριτές: 54
    Μονογραφίες: 2 (διατριβές MSc, PhD)
    Κεφάλαια βιβλίων: 4
    Ανακοινώσεις σε διεθνή συνέδρια: 35
    Ανακοινώσεις σε πανελλήνια συνέδρια: 48
    Ετεροαναφορές: >1600.   Η-index: 23

    Δημοσιεύσεις
    1. G. Leftheriotis and C. G. Carpenter, Development of a procedure for the design of a wind turbine to operate in the vortex field generated by a slender delta wing, Wind Engineering, 14 , 153, 1990
    2. G. Leftheriotis and C. G. Carpenter, Investigation of the vortex field generated by a slender delta wing, Wind Engineering, 14, 141, 1990
    3. G. Leftheriotis and C. G. Carpenter, Investigation of Reynolds number effects on the design of a delta wing vortex wind turbine, Wind Engineering, 15 , 8, 1991
    4. G. Leftheriotis and C. G. Carpenter, Investigation of the delta wing- turbine system suitability for large scale applications, Wind Engineering, 15 , 16, 1991
    5. G. Leftheriotis and C. G. Carpenter, Development of a wind turbine to operate in the vortex filed generated by a slender delta wing, Journal of Wind Engineering and Industrial Aerodynamics, 39 , 417, 1992
    6. G. Leftheriotis, P. Yianoulis, D. Patrikios, Deposition and optical properties of optimised ZnS/Ag/ZnS thin films for energy saving applications, Thin Solid Films, 306 , 92, 1997
    7. S. Papaefthimiou, G. Leftheriotis, P. Yianoulis, Electrochromic phenomena in transition metal oxide thin films prepared by thermal evaporation, Ionics, 4 , 321, 1998
    8. P. W. Griffiths, M. Di Leo, P. Cartwright, P. C. Eames, P. Yianoulis, G. Leftheriotis and B. Norton, Fabrication of evacuated glazing at low temperatures, Solar Energy, 63 , 243, 1998
    9. G. Leftheriotis, P. Yianoulis, Characterisation and stability of low emittance multiple coatings for glazings applications, Solar Energy Materials and Solar Cells, 58 , 185, 1999
    10. S. Papaefthimiou, G. Leftheriotis and P. Yianoulis, Study of electrochromic incorporating WO3, MoO3, WO3-MoO3 and V2O5 coatings, Thin Solid Films, 343-344 , 180, 1999
    11. G. Leftheriotis, S. Papaefthimiou, P. Yianoulis, Development of multilayer transparent conductive coatings, Solid State Ionics, 136-137 , 655, 2000
    12. G. Leftheriotis, S. Papaefthimiou, P. Yianoulis, Integrated low emittance-electrochromic devices incorporating ZnS/Ag/ZnS coatings as transparent conductors, Solar Energy Materials and Solar Cells, 61 , 107, 2000
    13. G. Leftheriotis, P. Yianoulis, Thermal properties of building materials evaluated by a dynamic simulation of a test cell, Solar Energy, 69 , 295, 2000
    14. S. Papaefthimiou, G. Leftheriotis, P. Yianoulis, Advanced electrochromic devices based on WO3 thin films, Electrochimica Acta, 46 , 2145, 2001
    15. A. Siokou , G. Leftheriotis, S. Papaefthimiou, P. Yianoulis, Effect of the tungsten and molybdenum oxidation states on the thermal coloration of amorphous WO3 and MoO3 films, Surface Science, 482-5 , 294, 2001
    16. G. Leftheriotis, S. Papaefthimiou, P. Yianoulis, A. Siokou, Effect of the tungsten oxidation states in the thermal coloration and bleaching of amorphous WO3 films, Thin Solid Films, 384 , 298, 2001
    17. S. Papaefthimiou, G. Leftheriotis and P. Yianoulis, Study of WO3 films with textured surfaces for improved electrochromic performance, Solid State Ionics, 139 , 135, 2001
    18. G. Leftheriotis, S. Papaefthimiou, P. Yianoulis, A. Siokou, D. Kefalas, Structural and electrochemical properties of opaque sol–gel deposited WO3 layers, Applied Surface Science, 218 , 275, 2003
    19. A. Siokou, S. Ntais, S. Papaefthimiou, G. Leftheriotis and P. Yianoulis, Influence of the substrate on the electrochromic characteristics of lithiated α-WO3 layers, Surface Science, 566–568 , 1168, 2004
    20. G. Leftheriotis, S. Papaefthimiou and P. Yianoulis, The effect of water on the electrochromic properties of WO3 films prepared by vacuum and chemical methods, Solar Energy Materials and Solar Cells, 83 , 115, 2004
    21. S. Papaefthimiou, G. Leftheriotis, P. Yianoulis, T.J. Hyde, P.C. Eames, Y. Fang, P.-Y. Pennarun, P. Jannasch, Development of electrochromic evacuated advanced glazing, Energy and Buildings, 38 , 1455, 2006
    22. A. Siokou, S. Ntais, V. Dracopoulos, S. Papaefthimiou, G. Leftheriotis, P. Yianoulis, Substrate related structural, electronic and electrochemical properties of evaporated CeOx ion storage layers, Thin Solid Films, 514 , 87, 2006
    23. G. Leftheriotis, S. Papaefthimiou , P. Yianoulis, Dependence of the estimated diffusion coefficient of LixWO3 films on the scan rate of cyclic voltammetry experiments, Solid State Ionics, 178 , 259, 2007
    24. G. Leftheriotis and P. Yianoulis , Development of electrodeposited WO3 films with modified surface morphology and improved electrochromic properties, Solid State Ionics 179 , 2192, 2008
    25. G. Leftheritotis, G. Syrrokostas, P. Yianoulis, Development of photoelectrochromic devices for dynamic solar control in buildings, Solar Energy Materials and Solar Cells 94 , 2304, 2010
    26. M. Giannouli, G. Leftheriotis, The effect of precursor aging on the morphology and electrochromic performance of electrodeposited tungsten oxide films, Solar Energy Materials and Solar Cells 95, 1932, 2011
    27. G. Syrrokostas, A. Siokou, G. Leftheriotis and P. Yianoulis, Degradation mechanisms of Pt counter electrodes for dye sensitized solar cells, Solar Energy Materials and Solar Cells 103, 119, 2012
    28. G. Leftheritotis, G. Syrrokostas, P. Yianoulis, Partly covered photoelectrochromic devices with enhanced coloration speed and efficiency, Solar Energy Materials and Solar Cells 96, 86, 2012
    29. G. Leftheriotis, E. Koubli, P. Yianoulis, Combined electrochromic-transparent conducting coatings consisting of noble metal, dielectric and WO3 multilayers, Solar Energy Materials & Solar Cells 116 , 110, 2013
    30. G. Leftheriotis, G. Syrrokostas and P. Yianoulis, Photocoloration efficiency and stability of photoelectrochromic devices, Solid State Ionics 231 , 30, 2013
    31. G. Leftheriotis, M. Liveri, M. Galanopoulou, I. D. Manariotis, P. Yianoulis, A simple method for the fabrication of WO3 films with electrochromic and photo catalytic properties, Thin Solid Films 573 , 6-13, 2014
    32. G. Syrrokostas, G. Leftheriotis, P. Yianoulis , Effect of acidic additives on the structure and performance of TiO2 films prepared by a commercial nanopowder for dye-sensitized solar cells, Renewable Energy 72 , 164-173, 2014
    33. Y. Tripanagnostopoulos, G. Leftheriotis, A. Vradis, D. Anastasopoulos, N. Spiliopoulos, P. Priftis, I. Manariotis, P. Lianos, E. Stathatos, Solar energy materials and systems for and aesthetic and sustainable future, Contemporary Materials V-2 , 172 -185, 2014
    34. E. Koubli, S. Tsakanikas, G. Leftheriotis, G. Syrrokostas, P. Yianoulis, Optical properties and stability of near-optimum WO3/Ag/WO3 multilayers for electrochromic applications, Solid State Ionics 272 , 30-38, 2015
    35. G. Syrrokostas, G. Leftheriotis, P. Yianoulis, Performance and stability of“partly covered”photoelectrochromic devices for energy saving and power production, Solid State Ionics 277, 11-22, 2015
    36. F. Bella, G. Leftheriotis, G. Griffini, G. Syrrokostas, S. Turri, M. Grätzel, C. Gerbaldi, A new design paradigm for smart windows: Photocurable polymers for quasi-solid photoelectrochromic devices with excellent long-term stability under real outdoor operating conditions, Advanced Functional Materials 26, 1127–1137, 2016
    37. A.I. Dounis, G. Leftheriotis, S. Stavrinidis G. Syrrokostas, Electrochromic Device Modeling Using an Adaptive Neuro-Fuzzy Inference System: A Model-free Approach, Energy and Buildings 110 , 182–194, 2016
    38. L. Sygellou, S. Kakogianni, A. K. Andreopoulou, K. Theodosiou, G. Leftheriotis, J. K.Kallitsis, A.Siokou, Evaluation of the electronic properties of perfluorophenyl functionalized quinolines and their hybrids with carbon nanostructures, Physical Chemistry Chemical Physics 18, 4154 – 4165, 2016
    39. A. Antonelou, G.Syrrokostas, L. Sygellou, G. Leftheriotis, V. Dracopoulos, S. N. Yannopoulos, Facile, substrate-scale growth of mono- and few-layer homogeneous MoS2 films on Mo foils with enhanced catalytic activity as counter electrodes in DSS, Nanotechnology 27 , 045404 (11pp), 2016
    40. M. Giannouli, G.Tziogkidou, G. Leftheriotis, Co-sensitization of ZnO Solar Cells by Organic Dyes, Journal of Renewable and Sustainable Energy 9, 013503, 2017
    41. D. Papathanasopoulos, G. Leftheriotis, E. Mitronikas , Design, fabrication and testing of an electronic device for the automatic control of electrochromic windows, Journal of Building Engineering 12 , 248–258, 2017
    42. A. Dokouzis, K. Theodosiou, G. Leftheriotis , Assessment of the long-term performance of partly covered photoelectrochromic devices under insolation and in storage, Solar Energy Materials & Solar Cells 182 , 281-293 , 2018
    43. G. Syrrokostas, A. Antonelou, G. Leftheriotis, S. N. Yannopoulos, Electrochemical properties and long-term stability of molybdenum disulfide and platinum counter electrodes for solar cells: A comparative study, Electrochimica Acta 267, 110-121, 2018
    44. M. Giannouli, K. Govatsi, G. Syrrokostas, S. N. Yannopoulos, G. Leftheriotis, Factors Affecting the Power Conversion Efficiency in ZnO DSSCs: Nanowire vs. Nanoparticles, Materials 11, 411-428, 2018 Invited contribution
    45. P. Giannopoulos, D. Raptis, K. Theodosiou, A. K. Andreopoulou, C. Anastasopoulos, A. Dokouzis, G. Leftheriotis, P. Lianos, J. K. Kallitsis, Organic dyes end-capped with perfluorophenyl anchors: Synthesis, electrochemical properties and assessment of sensitization capacity of titania photoanodes, Dyes and Pigments 148, 167-179, 2018
    46. G. Syrrokostas, K. Govatsi, G. Leftheriotis, S. N. Yannopoulos , 3D structured counter electrodes for Dye Sensitized Solar Cells based on Pt-decorated ZnO nanowires, Journal of Electroanalytical Chemistry 835 , 86–95 , 2019
    47. G. Syrrokostas, G. Leftheriotis, S. N. Yannopoulos , Double-layered zirconia films for carbon-based mesoscopic perovskite solar cells and photodetectors, Journal of Nanomaterials , Article ID 8348237 , 2019
    48. Κ. Theodosiou, A. Dokouzis, I. Antoniou, G. Leftheriotis , Gel electrolytes for partly covered photoelectrochromic devices, Solar Energy Materials & Solar Cells 202, 110124, 2019
    49. A. Dokouzis, F. Bella, K. Theodosiou, C. Gerbaldi, G. Leftheriotis , Photoelectrochromic devices with cobalt redox electrolytes, Materials Today Energy 15 , 100365, 2020
    50. J. Zhang, J. Yang, G. Leftheriotis, H. Huang, Y. Xia, C. Liang, Y. Gan, W. Zhang, Integrated photo-chargeable electrochromic energy-storage devices” Electrochimica Acta 345 (2020) 136235
    51. A. Dokouzis, D. Zoi, G. Leftheriotis, Photoelectrochromic devices with enhanced power conversion efficiency” Materials 13 (2020) 2565 Invited contribution
    52. G. Syrrokostas, A. Dokouzis, S. N. Yannopoulos, G. Leftheriotis, Novel photoelectrochromic devices incorporating carbon-based perovskite solar cells” Nano Energy 77 (2020) 105243 
    53. L. Lavagna, G. Syrrokostas, L. Fagiolari, J. Amici, C. Francia, S. Bodoardo, G. Leftheriotis, F. Bella, Platinum-free photoelectrochromic devices working with copper-based electrolytes for ultrastable smart windows” Journal of Materials Chemistry A 9 (2021) 19687–19691
    54. Z. Liu, J. Yang, G. Leftheriotis, H. Huang, Y. Xia, Y. Gan, W. Zhang, J. Zhang A solar-powered multifunctional and multimode electrochromic smart window based on WO3/Prussian blue complementary structure” Sustainable Materials and Technologies, 31 (2022) e00372

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    • secrphysics [at] upatras.gr

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