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RESEARCH AND DEVELOPMENT INFRASTRUCTURE, RESEARCH FACILITIES

• Growing of carbon nanostructures (carbon nanotubes, graphene) on conductive or semiconductor
substrate by chemical vapor deposition;
• Production of special carbon materials through research on request.

Expertise Areas in 2019
The laboratory is part of the Department of Carbo‑Ceramic Materials and has the following areas of expertise:
♦ Research fields - Carbon Materials Laboratory:
• Nanomaterials and nanostructured materials: carbon nanotubes, graphene, graphene oxides, 3D
graphene structures, Zn oxide hybrid materials ‑ 3D graphene structures, nanostructured materials
obtained by using methods specific to electrical engineering (electrodynamic methods);
• Functional materials with potential for use in electromagnetic compatibility applications: carbon‑ceramic
composite materials for electromagnetic shielding; polymeric matrix composite materials reinforced
with carbon fabrics for protection against electromagnetic radiation, thin absorbent/reflective layers
for electromagnetic waves, advanced carbon materials with tribological properties;
• Materials for special applications: carbon fiber, polymeric composite materials reinforced with carbon
nanotubes; polymeric composite materials reinforced with carbon fibers; carbon fiber reinforced carbon
composite materials; thermo‑mechanical shock‑resistant carbon materials for the aerospace industry,
composite materials with self‑regenerating properties;
• Materials, components and devices for the generation, storage and conversion of electricity:
electroactive graphene materials, 3D graphene structures, Zn oxide hybrid composite material ‑ three‑
dimensional graphene network, specific electrolytes for supercapacitors, transparent conductive
thin layers for photovoltaic applications etc.; supercapacitors; optoelectronic devices based on thin
conductive layers;
• Polymeric materials for environmental applications: filter membranes / filters based on electrophilated
polymeric micro / nanofibers.
♦ Carbon Materials Laboratory Services:
• Determination of the physical properties of materials for brushes of electric machines (determination
of density, hardness, resistivity, bending strength characteristic of brush materials, determination of
voltage drop in contact on two electric brushes, determination of friction coefficient, determination of
ash content for GRs, EGR and CDR etc.) according to SR CEI 60413: 1997;
• Determination of the electrical resistance of a filament in a carbon fiber strand by the method of the
four probes;
• Interpretation of X‑ray diffraction spectra in order to identify crystalline phases in carbonaceous materials
in solid form, powders or thin films; determination of elementary cell parameters and crystallite size;
• Study and interpretation of microscopic structures of different types of carbonaceous materials in
compact, powder or thin layers;
• Determination of critical adhesion / cohesion forces of thin layers of carbon materials / carbon‑polymer
composite thin layers by micro‑scratch (with ball / pin‑on‑disk tribometer and compact platform with
nano / microindentation and micro‑scratch mode);
• Analysis and interpretation of quantitative and qualitative data and information resulting from scanning
electron microscopy (SEM), atomic force (AFM), tunneling (STM), high resolution transmission (HRTEM)
and optical microscopy investigations, applied to carbon materials;
• Interpretation of images of crystalline structure at atomic level obtained by high resolution transmission
electron microscopy (HRTEM), establishing the links between the structure at atomic level and the
properties of carbon materials;
• Determination of specific structural characteristics (grain size, proportion and distribution of phases,
porosity, layer thickness) by quantitative analysis by optical microscopy;
• Growing of carbon nanostructures (carbon nanotubes, graphene) on conductive or semiconductor
substrate by chemical vapor deposition;
• Production of special carbon materials through research on request.

11. Laboratory of Ceramic Materials (within the Department of Carbon‑Ceramic
Materials)

Expertise Areas in 2018

In 2018 this laboratory functioned in the Department of Advanced Materials until July 1, 2018; since then,
the laboratory has been working in the Carbon‑Ceramic Department and has the following areas of expertise:
1. Researches in the field of development and characterization of materials and components for electrotehnical
/ electrical engineering;
 modified PZT‑type piezoceramic materials;

PAGE 76 | ANNUAL REPORT | 2019