The facilities available in the laboratory of Prof. Di Noto can be used and adapted to solve a variety of applicative problems including, but not limited to:
It is possible to carry out the chemical analysis of elements present in liquid and solid samples. The instrumentation and expertise of the group allows to:
· Prepare the samples, both solid and liquid, for the analysis;
· Determine quantitatively all the elements of the periodic table with the exception of C, N, H, O and the noble gases;
· Implement new and advanced analytical methods;
· Carry out both the simultaneous and the sequential multi-element analysis of the desired elements in a sample;
· Determine the elements both in the ppm range (0-800 ppm) and in the ppb range (0-800 ppb), thus allowing the quantitative determination of trace and ultra-trace contaminants.
Electric Measurements on Materials
Electric characterization of solid and liquid samples including conductors, semiconductors and dielectrics are performed. It is possible to measure the electric response complex spectra of materials in terms of:
· permittivity (epsilon);
· conductivity (sigma);
· impedance (Z);
· inductance (L);
· capacitance (C).
These measurements can be carried out in the frequency and temperature ranges 10-5 Hz - 20 GHz and -195 - +450°C, respectively. In addition, the determination of the dipole moments of the compounds can be carried out.
Thermomechanical Analysis is a range of advanced techniques to characterize the thermal and mechanical behaviour of materials as a function of temperature. It is an indispensable tool to solve materials related problems in both research and quality control. It is particularly suited to solid materials including polymers, composites, metals and others.
The following techniques are available:
· High-resolution Thermogravimetry (HR-TG), is routinely applied to determine weight changes, thermal stability, filler content, moisture/solvent content and other properties. The measurements can be carried out from 20 to 1000°C, both in an inert and in an oxidizing air atmosphere.
· Modulated Differential Scanning Calorimetry (MDSC), allows to measure thermal properties of materials such as melting points, glass transition temperatures, specific heat capacity, the degree of cure, the degree of crystallinity and others. The analyses can be carried out from -170 to +500°C.
· Dynamic mechanical analysis (DMA), permits to determine the mechanical properties and relaxations of samples as a function of temperature, applied stress, and frequency. The analyses can be carried out from -170 to +500°C and in the frequency range 10-2-200 Hz applying tensile, compressive, and shear stresses.
Vibrational Spectroscopy Measurements (IR and Raman)
Fourier Transform Infrared (FT-IR) and Raman spectroscopy allow to identify the structure and the interactions in materials. The measured spectra yield a profile of the sample, a distinctive molecular fingerprint that can be used to easily screen and scan samples for many different components. FT-IR and Raman are effective analytical tools to detect functional groups and to characterize covalent bonding information.
The following list reports typical applications of vibrational analyses:
· Quantitative Scans;
· Qualitative Scans;
· Solids and Liquid samples;
· Organic Samples;
· Inorganic Samples;
· Unknowns Identification;
· Formulation, Deformulation;
· Paints, Coatings, Laminates;
· Household products;
Characterization of Devices
The laboratory of Prof. Di Noto offers the know-how and the instrumentation to characterize and measure the performance of a variety of devices, including:
· Primary and secondary batteries;
· Fuel cells;
· Solar cells;
· Electrochemical supercapacitors;
· Field-effect transistors;
· Photo-electrochemical devices.
In particular, the following characteristic features can be determined:
· Charge/discharge cycling behaviour;
· Polarization curves;
· Characteristic curves.
On request, the outsourcing of the research know-how can also be provided for the interpretation of the results determined with the instrumentation described here.
The details of each outsourcing are to be discussed with Prof. Di Noto, who can be contacted as reported here.