ABOUT

The Electron Microscopy Laboratory was established in 1987 with the acquisition of the first scanning electron microscope and under its current name Electron Microscopy and Nanomaterials Lab (EMNL) has been operating since 2014. The EMNL group focuses on the use of electron microscopy techniques in nanotechnology and materials science. In particular our research concerns the study of materials/nanostructures from the μm- down to the atom- scale, utilizing scanning and transmission electron microscopy, in order to investigate their key-nanoscale features and understand the correlation of these features to their macroscopic properties. This knowledge enables the optimization of growth/synthesis conditions as well as the design of new materials/nanostructures with improved and/or tailor-made properties.

HR-S/TEM image of crystalline defects in Au nanoparticle

HAADF S/TEM image and EDS elemental maps of composite nanostructured TiO2/Cu2O catalysts

Our main activities are:

• the study of microstructure by electron microscopy techniques of various advanced materials and functional nanostructures in order to optimize their growth and tailor their properties

• the growth and study of nanomaterials with applications in optoelectronics and energy

• Provision of research services to industrial partners

• Provision of education and training to undergraduate and graduate students in electron microscopy

Structural characterization of ZnO nanorods

Co valence measurement in ZnCoO

EFTEM of Fe3C nanoparticles encapsulated in CNTs.

ZnO/Cu2O heterostructures

TEM characterization of materials and nanostructures

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SEM study of multiphase materials

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Zinc oxide nanostructures

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Self-cleaning coatings for glass

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Nanomaterial synthesis from aerosols

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FEG HR Scanning-Transmission Electron Microscope (FEG S-TEM)

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HR Transmission Electron Microscope (TEM)

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Scanning Electron Microscope (SEM)

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Sample preparation for Electron Microscopy

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Photoluminescence

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Physical Vapour Deposition (PVD)

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Electrochemical growth

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Dimitris Tsoukalas, Electronic Nanomaterials and Devices Group, National Technical University of Athens

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