A. Douvas

Publications68
h-index20
Citations1,510
Highly Influential Citations7
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The influence of hydrogenation and oxygen vacancies on molybdenum oxides work function and gap states for application in organic optoelectronics.
TLDR
This work aims to investigate the beneficial role of hydrogenation (the incorporation of hydrogen within the oxide lattice) versus oxygen vacancy formation in tuning the electronic structure of molybdenum oxides while maintaining their high work function.
Polyoxometalate-based layered structures for charge transport control in molecular devices.
TLDR
Hybrid organic-inorganic films consisted of molecular layers of a Keggin-structure polyoxometalate and 1,12-diaminododecane on 3-aminopropyl triethoxysilane (APTES)-modified silicon surface, fabricated via the layer-by-layer (LBL) self-assembly method are evaluated as molecular materials for electronic devices.
Molecular Storage Elements for Proton Memory Devices
The one-bit memory-cell structure of choice for use in digital integrated circuit (IC) applications would be a single field-effect-transistor (FET) that includes a binary information storage element…
A biomolecule friendly photolithographic process for fabrication of protein microarrays on polymeric films coated on silicon chips.
TLDR
The proposed photolithographic method for patterning biomolecules onto a silicon surface coated with a polymeric layer of high protein binding capacity is expected to facilitate considerably the fabrication of dense protein microarrays for bioanalytical applications.
Vapor-deposited hydrogenated and oxygen-deficient molybdenum oxide thin films for application in organic optoelectronics
Abstract Vapor-deposited molybdenum oxide films are used as low resistance anode interfacial layers in applications such as organic light emitting diodes (OLEDs) and organic photovoltaics (OPVs). A…
Electrical characterization of molecular monolayers containing tungsten polyoxometalates
Electron transport and charge confinement properties of polyoxometalate-diamine multilayer films prepared with the layer-by-layer self-assembly method have been investigated. The preparation of the…
Hybrid organic–inorganic materials for molecular proton memory devices
Abstract Molecular storage elements consisting of a stack of a proton conducting layer (PCL) and a proton trapping layer (PTL) are investigated in view of their perspective application to…
Reduction of Tungsten Oxide: A Path Towards Dual Functionality Utilization for Efficient Anode and Cathode Interfacial Layers in Organic Light-Emitting Diodes
Here, we report on the dual functionality of tungsten oxide for application as an efficient electron and hole injection/transport layer in organic light-emitting diodes (OLEDs). We demonstrate hybrid…
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.
TLDR
A large improvement in the operational characteristics of organic light emitting devices and organic photovoltaics based on a wide range of different organic semiconducting materials and incorporating reduced Pom/Al cathode interfaces was achieved as a result of the large decrease of the electron injection/extraction barrier, the enhanced electron transport and the reduced recombination losses in the reduced POM modified devices.
Porphyrin-Sensitized Evolution of Hydrogen using Dawson and Keplerate Polyoxometalate Photocatalysts.
TLDR
It is found that both Dawson polyoxometalates exhibit higher hydrogen evolution efficiency upon ZnTMPyP4+ sensitization in relation to the direct photoreduction of those compounds, and both Dawson type and high nuclearity Keplerate {Mo132 } cluster exhibits the highest efficiency for hydrogen evolution compared with the polyoxometricalates studied.
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