Summary
Titanium oxynitride carbon composite nanofibres were made by electrospinning followed by heat treatment in ammonia gas, converting a spun polymer precursor into a conductive ceramic-carbon composite. The distinctive part is the measurement: electrical conductivity was determined in situ on individual nanofibres using a four-probe technique, rather than inferred from a whole mat. Combined with X-ray and electron diffraction, electron microscopy and spectroscopy, this links the microstructure of a single fibre directly to how well it conducts.
Authors & Affiliations
Linari Electrospinning Systems
Linari system with precision syringe pump
A Linari Engineering system (Pisa, Italy) fed the polymer solution to the needle at a constant rate of 763 µl/h - the sub-millilitre precision our pumps are specified for, and a prerequisite when a precursor fibre must later survive calcination. See our range of systems.