Here, an attempt was made to prepare a polybutylene
terephthalate nanocomposite, embedded with highly dispersed
NiO nanoparticles, to achieve nanocomposites with higher
reinforcement properties [30,31] and extraction efficiencies. After
successful preparation of NiO-PBT nanocomposites with various
NiO doping levels, they were employed as fiber coatings for the
trace determination of some selected volatile organic compounds
(VOCs).