Good vibrations: Using piezoelectricity to ensure hydrogen sensor sensitivity

Researchers have developed a new method that uses piezoelectric resonance to improve the manufacture of highly sensitive hydrogen sensors. By optimizing the gaps between palladium nanoparticles in the devices, they were able to increase the sensitivity by a factor of 12 over palladium nanoparticles fabricated by previous methods. The work in this study is important for the development of new sensing devices that are capable of detecting hydrogen at low concentration.