162 citations · 267 across the 11 of their papers we have counts for
11 papers
Transparent Multispectral Photonic Electrode for All-Weather Stable and Efficient Perovskite Solar Cells
George Perrakis, Anna C. Tasolamprou, George Kakavelakis +5
Perovskite solar cells (PSCs) are the most promising technology for advancing current photovoltaic performance. However, the main challenge for their practical deployment and comme…
Fabrication of Metasurfaces on Building Construction Materials for Potential Electromagnetic Applications in the Microwave Band
Zacharias Viskadourakis, Konstantinos Grammatikakis, Klytaimnistra Katsara +2
Energy self sufficiency, as well as optimal management of power in buildings is gaining importance, while obtaining power from traditional fossil energy sources is becoming more an…
Biomimetic Omnidirectional Anti-reflective Glass via Direct Ultrafast Laser Nanostructuring
Antonis Papadopoulos, Evangelos Skoulas, Alexandros Mimidis +4
We report on a single-step, biomimetic approach for the realization of omnidirectional transparent antireflective glass. In particular, it is shown that circularly polarized ultras…
Ultraviolet radiation impact on the efficiency of commercial crystalline silicon-based photovoltaics: A theoretical thermal-electrical study in realistic device architectures
George Perrakis, Anna C. Tasolamprou, George Kenanakis +3
We investigate and evaluate the contribution of the ultraviolet radiation spectrum on the temperature and efficiency of commercial crystalline silicon-based photovoltaics (PVs) tha…
Fabrication and characterization of Fused Deposition Modeling 3D printed mm-scaled metasurface units
Anna C. Tasolamprou, Despoina Mentzaki, Zacharias Viskadourakis +3
We present a cost-effective, eco-friendly and accessible method for fabricating three-dimensional, ultralight and flexible millimeter-scale metasurfaces using a household 3D printe…
Passive radiative cooling impact on commercial crystalline silicon-based photovoltaics
George Perrakis, Anna C. Tasolamprou, George Kenanakis +3
The radiative cooling of objects during daytime under direct sunlight has recently been shown to be significantly enhanced by utilizing nanophotonic coatings. Multilayer thin film…
Spray-pyrolysis deposited La1-xSrxCoO3 thin films for potential non-volatile memory applications
Z. Viskadourakis, C. N. Mihailescu, G. Kenanakis
In this work thin films of the La1-xSrxCoO3 (0.05 < x < 0.26) compound were grown, employing the so-called spray pyrolysis process. The as-grown thin films exhibit polycrystalline…
Ultrafast modulation in a THz graphene-based flat absorber through negative photoconductivity
Anna C. Tasolamprou, Anastasios D. Koulouklidis, Christina Daskalaki +9
We present the experimental and theoretical study of an ultrafast graphene based thin film absorption modulator for operation in the THz regime. The flat modulator is composed of a…
The Software-Defined Metasurfaces Concept and Electromagnetic Aspects
Anna C. Tasolamprou, Alexandros Pitilakis, Odysseas Tsilipakos +17
We present the concept and electromagnetic aspects of HyperSurFaces (HSFs), artificial, ultrathin structures with software controlled electromagnetic properties. The HSFs key unit…
Efficient and environmental-friendly perovskite solar cells via embedding plasmonic nanoparticles: an optical simulation study on realistic device architecture
George Perrakis, George Kakavelakis, George Kenanakis +4
Solution-processed, lead halide-based perovskite solar cells have overcome important challenges over the recent years, offering low-cost and high solar power conversion efficiencie…
Architecting three-dimensional ZnO nanorods
Argyro N. Giakoumaki, George Kenanakis, Argyro Klini +3
The fabrication of nanostructures with controlled assembly and architecture is significant for the development of novel nanomaterials-based devices. In this work we demonstrate tha…