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Ioannis Kostis
Ioannis Kostis
Αν. Καθηγητής Πανεπιστημίου Δυτικής Αττικής Τμήμα Ηλεκτρολόγων και Ηλεκτρονικών Μηχανικών
Verified email at uniwa.gr
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Cited by
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Year
The influence of hydrogenation and oxygen vacancies on molybdenum oxides work function and gap states for application in organic optoelectronics
M Vasilopoulou, AM Douvas, DG Georgiadou, LC Palilis, S Kennou, ...
Journal of the American Chemical Society 134 (39), 16178-16187, 2012
4102012
Reduction of Tungsten Oxide: A Path Towards Dual Functionality Utilization for Efficient Anode and Cathode Interfacial Layers in Organic Light‐Emitting Diodes
M Vasilopoulou, LC Palilis, DG Georgiadou, AM Douvas, P Argitis, ...
Advanced Functional Materials 21 (8), 1489-1497, 2011
1162011
High performance organic light emitting diodes using substoichiometric tungsten oxide as efficient hole injection layer
M Vasilopoulou, G Papadimitropoulos, LC Palilis, DG Georgiadou, ...
Organic Electronics 13 (5), 796-806, 2012
672012
Reduced molybdenum oxide as an efficient electron injection layer in polymer light-emitting diodes
M Vasilopoulou, LC Palilis, DG Georgiadou, P Argitis, S Kennou, ...
Applied Physics Letters 98 (12), 2011
662011
Barrierless hole injection through sub-bandgap occupied states in organic light emitting diodes using substoichiometric MoOx anode interfacial layer
M Vasilopoulou, LC Palilis, DG Georgiadou, S Kennou, I Kostis, ...
Applied Physics Letters 100 (1), 2012
652012
Influence of the oxygen substoichiometry and of the hydrogen incorporation on the electronic band structure of amorphous tungsten oxide films
M Vasilopoulou, I Kostis, N Vourdas, G Papadimitropoulos, A Douvas, ...
The Journal of Physical Chemistry C 118 (24), 12632-12641, 2014
592014
Effect of the oxygen sub-stoichiometry and of hydrogen insertion on the formation of intermediate bands within the gap of disordered molybdenum oxide films
I Kostis, N Vourdas, G Papadimitropoulos, A Douvas, M Vasilopoulou, ...
The Journal of Physical Chemistry C 117 (35), 18013-18020, 2013
532013
Tungsten oxides as interfacial layers for improved performance in hybrid optoelectronic devices
M Vasilopoulou, LC Palilis, DG Georgiadou, P Argitis, S Kennou, I Kostis, ...
Thin Solid Films 519 (17), 5748-5753, 2011
442011
Substoichiometric hot-wire WOx films deposited in reducing environment
N Vourdas, G Papadimitropoulos, I Kostis, M Vasilopoulou, D Davazoglou
Thin Solid Films 520 (9), 3614-3619, 2012
342012
Vapor-deposited hydrogenated and oxygen-deficient molybdenum oxide thin films for application in organic optoelectronics
M Vasilopoulou, I Kostis, AM Douvas, DG Georgiadou, A Soultati, ...
Surface and Coatings Technology 230, 202-207, 2013
332013
Highly porous tungsten oxides for electrochromic applications
I Kostis, M Vasilopoulou, A Soultati, P Argitis, N Konofaos, AM Douvas, ...
Microelectronic engineering 111, 149-153, 2013
252013
Solution-processed nanostructured zinc oxide cathode interfacial layers for efficient inverted organic photovoltaics
E Polydorou, E Makarona, A Soultati, DG Georgiadou, T Kyrasta, ...
Microelectronic engineering 119, 100-104, 2014
222014
Deposition of undoped and H doped WOx (x≤ 3) films in a hot-wire atomic layer deposition system without the use of tungsten precursors
I Kostis, M Vasilopoulou, G Papadimitropoulos, N Stathopoulos, ...
Surface and Coatings Technology 230, 51-58, 2013
172013
Dehydration of molybdenum oxide hole extraction layers via microwave annealing for the improvement of efficiency and lifetime in organic solar cells
A Soultati, I Kostis, P Argitis, D Dimotikali, S Kennou, S Gardelis, ...
Journal of Materials Chemistry C 4 (32), 7683-7694, 2016
162016
Formation of stoichiometric, sub-stoichiometric undoped and hydrogen doped tungsten oxide films, enabled by pulsed introduction of O2 or H2 during hot-wire vapor deposition
I Kostis, N Vourdas, M Vasilopoulou, A Douvas, G Papadimitropoulos, ...
Thin Solid Films 537, 124-130, 2013
162013
Omnidirectional antireflective properties of porous tungsten oxide films with in-depth variation of void fraction and stoichiometry
N Vourdas, K Dalamagkidis, I Kostis, M Vasilopoulou, D Davazoglou
Optics Communications 285 (24), 5229-5234, 2012
142012
Reduced transition metal oxides as electron injection layers in hybrid-PLEDs
M Vasilopoulou, DG Georgiadou, LC Palilis, P Argitis, S Kennou, ...
Microelectronic engineering 90, 59-61, 2012
142012
Hot-wire substoichiometric tungsten oxide films deposited in hydrogen environment with n-type conductivity
I Kostis, L Michalas, M Vasilopoulou, N Konofaos, G Papaioannou, ...
Journal of Physics D: Applied Physics 45 (44), 445101, 2012
102012
Fabrication of WO3-based electrochromic displays using solid or gel-like organic electrolytes
M Vasilopoulou, G Aspiotis, I Kostis, P Argitis, D Davazoglou
Journal of Physics: Conference Series 10 (1), 329, 2005
82005
Investigation of structural, morphological and electrical properties of APCVD vanadium oxide thin films
G Papadimitropoulos, I Kostis, S Trantalidis, A Tsiatouras, M Vasilopoulou, ...
physica status solidi (c) 12 (7), 964-968, 2015
72015
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