I. Personal Data

Surname: Trapalis
Name: Christos
Nationality: Greek
Languages: Greek, English
Address:  NCSR Demokritos, INN, 15343, Agia Parskevi, Greece
Telephone: +30 2106503343
Fax: +30 2106519430
E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.


  • 2005 - now Senior Researcher, Head of “Laboratory of Nanofunctional and Nanocomposite Materials”, Institute of Nanoscience and Nanotechnology, NCSR Demokritos
  • 2000-2005 Research associate, Sol-Gel Laboratory, IMS, NCSR Demokritos
  • 1996-2000 Postdoctoral Researcher, Sol-Gel Laboratory, IMS, NCSR “Demokritos”
  • 1987-1991 Ph.D. in Chemistry. "University of Chemical Technology and Metallurgy".
  • 1978-84 B. Sc. Chemical Engineer. "Higher Institute of Chemical Technology and

Teaching Experience

  • 2009- now Hellenic Open University, School of Science & Technology, teaching of “Physical Chemistry”.
  • 2004- 2008 Aegean University, Department of Products Design Engineering, Ermoupolis, Professor in “Materials Technology” and “New Materials”.
  • 1994-2004 Higher Technological Educational Institute – Athens, Prof. in: “Physical Chemistry”, “Technology of Glass and Ceramics”, “Technology of Polymers”

Scientific Interests

Graphene and Graphene Oxide Nanostructures, CNT Decorated with Metal Nanoparticles, Supercapacitors, Visible Light Active Photocatalysts, Nanostructured Powders and Coatings, CO2 Conversion, Graphene/Metal-oxide Nanocomposites, Electrochemistry, Sensitization of large band-gap semiconductors, Metal – Oxide Nanocomposites, Hybrid organic – Inorganic Materials, Magnetic Nanoparticles.

Reviewer in International Refereed Journals including:

Acta Biomaterialia, Applied Catalysis A. General, Applied Catalysis B: Environmental, Applied Physics Letters, Applied Surface Science, Catalysis Communications, Chemical Engineering Journal, Crystal Research and Technology, Electrochimica Acta, Environmental Science & Technology, Journal of Catalysis, J. of the American Chemical Society, J. Molecular Catalysis A: Chemical, J. Sol-Gel Science and Technology, J. Non-Crystalline Solids, J. of Physics and Chemistry of Solids, J. Solid State Chemistry, J. Hazardous Materials, Langmuir, Materials Science and Engineering B, Materials Chemistry, Materials Chemistry and Physics, Microporous & Mesoporous Materials, Thin Solid Films.

Research Achievements

(a) Number of papers in refereed journals: 120
(b) Number of communications to scientific meetings: 45
(c) Citations: > 2500
(d) H-factor: 28
(e) Patents: 5, (2 Greek)
(f) Invited Talks: 10, (8 Abroad)
Ph.D. supervision: I. Papailias, S. Karapati, T. Kalampaliki (in progress), M.V. Sofianou (2013), N. Todorova (2010).
M.Sc. Supervision: G. Giannoulas (HOU 2016), A. Nikokavoura (HOU 2015), Ch. Bagionetas (HOU 2015), A. Margaritis (HOU 2015), S. Galanakos (HOU 2014), T. Pliangos (HOU 2014), A. Kanellopoulou (NKUA 2007).

II. List of selected publications in refereed journals

  1. “Tailoring the energy band gap and edges’ potentials of g-C3N4/TiO2 composite photocatalysts for NOx removal”, Giannakopoulou, T., Papailias, I., Todorova, N., Boukos, N., Yu, J.G., Trapalis C., Chem. Eng. J. (2016). (IF-4.621).
  2. “UV-induced reactions of Mg2+-doped anatase nanocrystals with exposed {001} facets:An EPR study”, Barbierikova Z., Dvoranova D., Sofianou M.-V., Brezova V., Trapalis C., J. Catal. 331, (2015) 39-48. (IF-7.310).
  3. “Eco-efficiant TiO2 modification for air pollutants oxidation”, Karapati S., Giannakopoulou T., Todorova N., Trapalis C., Appl. Catal. B, Environ. 176, (2015) 578-585. (IF-6.031)
  4. "Reduced graphene oxide/iron carbide nanocomposites for magnetic and supercapacitor applications", Vermisoglou, E.C., Devlin, E., Giannakopoulou, T., Romanos, G., Boukos, N., Psycharis, V., Lei, C., Lekakou, C., Petridis, D., Trapalis, C., J. Alloy. Compd., 590, (2014) 102-109. (IF-2.390).
  5.  “One step, in situ growth of unmodified graphene – magnetic nanostructured composites”, Pilatos, G., Vermisoglou, Eleni C., Perdikaki, A., Devlin, E., Pappas, G.S., Romanos, G.E., Boukos, N., Giannakopoulou, T., Trapalis, C., Kanellopoulos, N.K., Karanikolos, G.N., Carbon 66, (2014) 467-475. (IF-6.350).
  6. “Tuning the Dispersibility of Carbon Nanostructures from Organophilic to Hydrophilic:
    Towards the Preparation of New Multipurpose Carbon-Based Hybrids”, V. Georgakilas, A. Kouloumpis, D. Gournis, A. Bourlinos, C. Trapalis, and R. Zboril , Chem. Eur. J. 19, (2013) 12884 – 12891. (IF-5.831).
  7. “Tuning the photocatalytic selectivity of TiO2 anatase nanoplates by altering the exposed
    crystal facets content”, Sofianou, M.V., Psycharis, V., Boukos,N., Vaimakis, T., Yu, J.G., Dillert, R., Bahnemann, D., Trapalis, C., Appl. Catal. B, Environ. 142 (2013) 761-768. (IF-6.031).
  8. “N and N, S-doped TiO2 phtocatalysts and their activity in NOx oxidation”, Todorova, N.,
    Vaimakis, T., Petrakis, D., Hishita, S., Boukos, N., Giannakopoulou, T., Giannouri, M., Giannouri, M., Antiohos, S., Papageorgiou, D., Chaniotakis, E., Trapalis, C., Catal. Today 209, (2013) 41-46. (IF-3.464).
  9. “Thermal treatment and environment effect on transient photocondfuctivity behaviour of
    anatase TiO2 with dominant {001} facets”, Pomoni, K., Georgakopoulos, T., Sofianou, M. V., Trapalis, C., J. Alloy. Compd., 558, 1-5, 2013. (IF-2.390).
  10. “One-Step Synthesis of TiO2/Perlite Composites by Flame Spray Pyrolysis and Their
    Photocatalytic Behavior”, Giannouri, M., Kalampaliki, Th., Todorova, N., Giannakopoulou, T., Boukos, N., Petrakis, D., Vaimakis, T., Trapalis C., Int. J. Photoenergy, 2013, art. No 729460. (IF-2.390).
  11. “Study of TiO2 anatase nano and microstructures with dominant {001} facets for NO
    oxidation”, Sofianou, M.V., Trapalis, C., Psycharis, V., Vaimakis T., Trapalis C., Environ. Sci. Pollut. R., 19, (2012) 3719-3726. (IF-2.618.)
  12. “Hydroxyapatite/titanium dioxide nanocomposites for controlled photocatalytic
    NO oxidation”, A. Mitsionis, T. Vaimakis, C. Trapalis, N. Todorova, D. Bahnemann and R. Dillert, Appl. Catal. B, Environ. 106, (2011) 398– 404. (IF-6.031).
  13. “Graphene Fluoride: A Stable Stoichiometric Graphene Derivative and its Chemical
    Conversion to Graphene”, R. Zboril, F. Karlicky, A.B. Bourlinos, T.A. Steriotis, A.K. Stubos, V. Georgakilas , K. Safarova, D. Jancík, C. Trapalis, M. Otyepka, Small, 6, (2010) 2885–2891. (IF-7.333).
  14. “Removal of Reactive Red 195 from aqueous solutions by adsorption on the surface of TiO2
    nanoparticles”, Belessi V, Romanos G, Boukos N, Lambropoulou, D., Trapalis, C., J. Hazardous Materials, 170, (2009) 836-844. (IF-4.144).

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