Objectives: ·         Research on materials for organic electronic devices of advanced performance ·         Research on photosensitive polymeric materials for micro-nanopatterning processes, drug delivery and organic coatings technologies   Main research activities - Interfacial Layers and Nanostructure Issues in Organic Optoelectronic Devices (Organic Photovoltaics  and Organic Light Emitting Diodes) - Polyoxometalates as Electron Transport Agents in Electronic Devices - Proton Conducting Polymeric Materials as Composite Dielectrics in Sensors and Memory Devices - Polymeric Materials for Nanopatterning and Light-Induced Processes Aiming at Applications in Optical Storage, MEMs, bio-MEMs and Drug Delivery   Funding
  1. a) Thalis "Polymeric photonic systems for application in information technologies”, “Photopolys”, 2012-2015
  2. b) Archimides III “Novel and highly efficient hybrid organic photovoltaic, NHyOPV” , 2012-2014
  3. c) Archimides III “Novel low power consumption hybrid OLEDs with improved operational characteristics, NHyOLED” , 2012-2014
  4. d) Archimides III, “Organic electronic devices for radiation detection”, 2012-2014
  5. e) GSRT “Blu-Ray” Development of Optical Discs Technology, 2013-2015
  6. f) Aristeia II, “Implementing Advanced Interfacial Engineering Strategies for Highly Efficient Hybrid Solar Cells,  IMAGINE-HYSOL”, 2014-2015
  Publications in International Journals 2014-2015  
  1. Porphyrin oriented self-assembled nanostructures for efficient exciton dissociation in highly performing organic photovoltaics, 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, P.Argitis, Journal of Materials Chemistry A, Vol. 2, p. 182-192, 2014.
  1. Hydrogenated under-stoichiometric tungsten oxide anode interlayers for efficient and stable organic photovoltaics”, M.Vasilopoulou, A.Soultati, D.G.Georgiadou, T.Stergiopoulos, L.C.Palilis, S.Kennou, N.A.Stathopoulos, D.Davazoglou, P.Argitis, Journal of Materials Chemistry A, Vol. 2, p. 1738-1749, 2014.
  1. The role of metal/metal oxide/anode interfaces in efficiency and stability of bulk heterojunction organic photodetectors, A.Soultati, D.G.Georgiadou, A.Douvas, P.Argitis, D.Alexandropoulos, N.A.Vainos, N.A.Stathopoulos, G.Papadimitropoulos, D.Davazoglou, M.Vasilopoulou, Microelectronic Engineering, Vol. 117, p. 13-17, 2014.
  1. Large work function shift of organic semiconductors and enhanced interfacial electron transport in organic optoelectronics enabled by porphyrin self assembled aggregates: the impact of molecular orientation, M.Vasilopoulou, A.M.Douvas, D.G.Georgiadou, V.Constantoudis, D.Davazoglou, S.Kennou, L.C.Palilis, T.Lazarides, A.G.Coutsolelos, P.Argitis. Nano Research DOI 10.1007/s12274-014-0428-9, 2014.
  1. Solution-processed nanostructured zinc oxide cathode interfacial layers for efficient inverted organic photovoltaics” E. Polydorou, E. Makarona, A. Soultati, D. Georgiadou, T. Kyrasta, T. Speliotis, C. Tsamis, N. Papanikolaou, P. Argitis, I. Kostis, A. Kokkosis, D. Davazoglou and M. Vasilopoulou, Microelectronic Engineering, Vol.119, p.100-104, 2014.
  1. The role of metal/metal oxide/organic anode interfaces in efficiency and stability of bulk heterojunction organic photodetectors” A. Soultati, D.G. Georgiadou, A. Douvas, P. Argitis, D. Alexandropoulos, N.A. Vainos, N.A. Stathopoulos, G.Papadimitropoulos, D. Davazoglou, M. Vasilopoulou, Microelectronic Engineering, Vol. 117, p. 13-17, 2014.
  1. Theoretical study on the electronic structure of triphenyl sulfonium salts: Electronic excitation and electron transfer processes” I.D. Petsalakis, G. Theodorakopoulos, N.N. Lathiotakis, D.G. Georgiadou, M. Vasilopoulou, P. Argitis, Chemical Physics Letters, Vol. 601, p. 63-68, 2014.
  1. Fast Recovery of the High Work Function of Tungsten and Molybdenum Oxides via microwave Exposure for Efficient Organic Photovoltaics” M. Vasilopoulou, A. Soultati, P. Argitis, T. Stergiopoulos, D. Davazoglou, Journal of Physical Chemistry Letters, Vol. 5, p. 1871-1879, 2014.
  1. Solution-processed hydrogen molybdenum bronzes as highly conducting anode interfacial layers in efficient organic photovoltaics”, A.Soultati, A.M.Douvas, D.G.Georgiadou, L.C.Palilis, T.Bein, J.M.Feckl, S.Gardelis, M.Fakis, S.Kennou, P.Falaras, T.Stergiopoulos, N.A.Stathopoulos, D.Davazoglou, P.Argitis, M.Vasilopoulou, Advanced Energy Materials, DOI:10.1002/aenm.201300896, 2014.
  1. Sol-gel synthesized, low-temperature processed, reduced molybdenum peroxides for organic optoelectronics applications, A. M. Douvas, M. Vasilopoulou, D. G Georgiadou, A. Soultati, D. Davazoglou, N. Vourdas, K. P. Giannakopoulos, A. Kontos, S. Kennou, P. Argitis, J. Mater. Chem. C, 2, 6290-6300, 2014.
  1. Influence of the Oxygen Sub-Stoichiometry and of the Hydrogen Incorporation on the Electronic Band Structure of Amorphous Tungsten Oxide Films, M Vasilopoulou, I Kostis, N Vourdas, G Papadimitropoulos, AM Douvas, Nikolaos Boukos, Stella Kennou, Dimitris Davazoglou, The Journal of Physical Chemistry C, 118 (24), pp 12632–12641, 2014.
  1. Atomic‐Layer‐Deposited Aluminum and Zirconium Oxides for Surface Passivation of TiO2 in High‐Efficiency Organic Photovoltaics, M Vasilopoulou, D.G. Georgiadou, A Soultati, N Boukos, S Gardelis, Leonidas 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, Advanced Energy Materials 4 (15), 1400214, 2014.
  1. The effect of surface hydrogenation of metal oxides on the nanomorphology and the charge generation efficiency of polymer blend solar cells”, M Vasilopoulou, Nanoscale 6 (22), P. 13726-13739, 2014.
  1. Organic photovoltaic performance improvement using atomic layer deposited ZnO electron-collecting layers, M Vasilopoulou, N Konofaos, D Davazoglou, P Argitis, N. A Stathopoulos, S. P Savaidis, A. A Iliadis, Solid-State Electronics 101, 50-56, 2014
  1. Scalable fabrication of nanostructured p-Si/n-ZnO heterojunctions by femtosecond-laser processing, D G Georgiadou, M Ulmeanu, M Kompitsas, P. Argitis, M. Kandyla, Materials Research Express 1, 045902, 2014
  1. Tungsten polyoxometalate molecules as active nodes for dynamic carrier exchange inhybrid molecular/semiconductor capacitors, A. Balliou, A. M. Douvas, P. Normand, D. Tsikritzis, S. Kennou, P. Argitis, and N. Glezos, Journal of Applied Physics 116, 143703, 2014,
  1. Protein-resistant crosslinked poly(vinyl alcohol) micropatterns via photolithography using removable polyoxometalate photocatalyst, P. Pavli, P. S. Petrou, A. M. Douvas, D. Dimotikali, S. E. Kakabakos, P. Argitis, ACS Appl. Mater. Interfaces 6: 17463-17473, 2014.
  1. Harnessing photochemical internalization with dual degradable nanoparticles for combinatorial photo-chemotherapy, George Pasparakis, Theodore Manouras, Maria Vamvakaki and Panagiotis Argitis, Nature Communications, 5, Article number: 3623, doi:10.1038/ncomms4623, 2014
  1. M Vasilopoulou, DG Georgiadou, A Soultati, AM Douvas, G Papadimitropoulos, D QDavazoglou, G Pistolis, NA Stathopoulos, T Kamalakis, D Alexandropoulos, N Vainos, CT Politi, LC Palilis, S Couris, AG Coutsolelos, P Argitis, Solution processed multi-color organic light emitting diodes for application in telecommunications, Microelectronic Engineering,145, 21-28, 2015 (doi:10.1016/j.mee.2015.02.005)
  1. D Chavelas, P Oikonomou, A Botsialas, P Argitis, N Papanikolaou, D Goustouridis, K Beltsios, E Lidorikis, I Raptis, M Chatzichristidi, Lithographically tuned one dimensional polymeric photonic crystal arrays, Optics & Laser Technology, 68, 105-112, 2015 (doi :10.1016/j.optlastec.2014.11.008)
  1. M. Vasilopoulou, A. M Douvas, L. Palilis, S. Kennou, P. Argitis, Old Metal Oxide Clusters in New Applications: Spontaneous Reduction of Keggin and Dawson Polyoxometalate Layers by a Metallic Electrode for Improving Efficiency in Organic Optoelectronics, J. Am. Chem. Soc., Article ASAP, DOI: 10.1021/jacs.5b01889, Publication Date (Web): May 7, 2015
  Publications in International Conference Proceedings  
  1. Enhancing spectral response of organic photodetectors through surface modification of metal oxide electrodes, M. Vasilopoulou, D.G. Georgiadou, A. Soultati, G. Papadimitropoulos, P. Argitis, D. Alexandropoulos, N. Vainos, C.T. Politi, T. Kamalakis, D. Davazoglou, 2014 16th International Conference on Transparent Optical Networks (ICTON), 6-10 July 2014.
  International Conference Presentations / Invited Talks (please mark invited talk)  
  1. Dimitra G. Georgiadou, Maria Vasilopoulou, Anastasia Soultati, Florian Auras, Thomas Bein, Theodoros A. Papadopoulos, Dimitrios Davazoglou, Panagiotis Argitis., Effective passivation of TiO2 surface trap states for high performing organic photovoltaics, E-MRS 2014 Spring Meeting, May 2014, Lille, FranceApril 2014,
  2. Anastasia Soultati, Maria Vasilopoulou, Dimitra G. Georgiadou, Panagiotis Argitis, Ioannis Kostis, N. A. Stathopoulos, S. Savaidis, Dimitris Davazoglou, Microwave Irradiated Highly Crystalline Transition Metal Oxides as Hole Extraction Layers for Efficient Organic Photovoltaics, E-MRS 2014 Spring Meeting, May 2014, Lille, FranceApril 2014,
  3. L. C. Palilis, M. Vasilopoulou, A. M. Douvas, D. G. Georgiadou, S. Kennou, P. Argitis. Solution-Processed Polyoxometalate Molecular Oxides as Highly Efficient Interlayers in Polymer Optoelectronic Devices, 10th International Conference on Organic Electronics (ICOE 2014), Modena, Italy,
  4. A. Soultati, M. Vasilopoulou, D. G. Georgiadou, P. Argitis, I. Kostis, N. Stathopoulos, S. Savaidis, D. Davazoglou, Microwave Annealed Highly Crystalline Molybdenum Oxide Hole Transport Layers for Efficient Organic Photovoltaics, 10th International Conference on Organic Electronics (ICOE 2014), Modena, Italy,
  5. M. Vasilopoulou, A. Douvas, D. Georgiadou, N. Stathopoulos, S. Savaidis, D. Davazoglou and P. Argitis. Large Work Function Shift of Organic Semiconductors and Enhanced Interfacial Electron Transport in Organic Light Emitting Diodes Enabled by Porphyrin Interfacial Self-Assembly, 10th International Conference on Organic Electronics (ICOE 2014), Modena, Italy,
  6. M. Vasilopoulou, D. G. Georgiadou, A. Soultati, G. Papadimitropoulos, D. Davazoglou, P. Argitis, T. Kamalakis, D. Alexandropoulos, N. Vainos, Solution processed multicolour organic light emitting diodes for application in telecommunications, 40th International Conference on Micro and Nano Engineering (MNE 2014), September 2014, Lausanne, Switzerland,
  7. M. Tountas, A. Soultati, D.G. Georgiadou, A. Zeniou, E. Gogolides, P. Argitis, S. Gardelis, and M. Vasilopoulou, Oxygen Plasma Nanopatterned Poly(3-Hexylthiophene) Films with Altered Optical Properties for Application in Heterojunction Organic Photovoltaics, 40th International Conference on Micro and Nano Engineering (MNE 2014), September 2014, Lausanne, Switzerland
  8. P. Argitis, P. Pavli, A. M. Douvas, K. Misiakos, M. Chatzichristidi, A. Bourkoula3, P. S. Petrou, S. E. Kakabakos. Photopatternable polymeric films for guiding protein and cell deposition, 10th Hellenic Polymer Society Conference with International Participation (10th HPSC), Rio-Patras, Greece December 4-6, 2014. Invited
  9. F. Machairioti, P.S. Petrou, S.E. Kakambakos, P. Argitis, M. Chatzichristidi, Ji-K Lee, P. G. Taylor, C. K. Ober, Environment-Friendly Fluorinated Resist for Biomolecules Patterning Applications, 10th Hellenic Polymer Society Conference with International Participation (10th HPSC), Rio-Patras, Greece December 4-6, 2014
  10. T. Manouras, A. Nika, M. Chatzichristidi, M. Vamvakaki, and P. Argitis, Block copolymers for lithographic applications, 10th Hellenic Polymer Society Conference with International Participation (10th HPSC), Rio-Patras, Greece December 4-6, 2014
  11. Fotini Vrettou, Panagiota Petrou 2, Sotirios Kakabakos 2, Panagiotis Argitis 3, Margarita Chatzichristidi, Surface Modification with Polymers for Covalent Attachement of Biomolecules via Click Chemistry, 10th Hellenic Polymer Society Conference with International Participation (10th HPSC), Rio-Patras, Greece December 4-6, 2014
    Teaching and Training Activities M. Vasilopoulou, P. Dimitrakis, D.G. Georgiadou, “Organic Electronics”, Spring Semester Course of the Graduate Program “Microelectronics”, National and Kapodistrian University of Athens, Department of Informatics and Telecommunications P. Argitis, “Polymers In Microelectronics:”, Part of “Polymers in Advanced Technologies”, Spring Semester Course of the Graduate Program “Polymer Science and Applications”, National and Kapodistrian University of Athens, Department of Chemistry   Masters Dissertations completed in 2014   Fotini Vrettou Surface Modification with Polymers for Covalent Attachment of Biomolecules via Azide Photochemistry and Click Chemistry Supervisors: M. Chatzichristidi, P. Argitis, P.S. Petrou National and Kapodistrian University of Athens, Department of Chemistry, July 2014   Marinos Tountas Nanostructured Organic Photovoltaic Devices Using Plasma Processing Supervisors: M. Vasilopoulou, P. Argitis National Technical University of Athens, School of Applied Mathematical and Physical Sciences        

 

Master Students

A. Nika

 

External Collaborators

M. Chatzichristidi (Univ of Athens), L.C. Palilis, S. Kennou, N. Vainos, S. Kouris, D. Alexandropoulos (Univ of Patras), E. Kapetanakis (TEI Kritis), S. Kakabakos, P.S. Petrou, (IPRETEA-NCSR-D), N. Stathopoulos, S. Savaidis (TEI Piraeus), D. Dimotikali (Nat. Tech. Univ. Athens), A.G. Coutsolelos, M. Vamvakaki, T. Manouras (Univ of Crete/FORTH), I. Petsalakis, I. Theodorakopoulos, M. Kandyla (Nat. Hel. Res. Foundation)