Extensive research in nanotechnology has been conducted to investigate new behaviours
and properties of materials with nanoscale dimensions. ZnO NPs owing to their distinct …

The sensing performances of gas sensors must be improved and diversified to enhance
quality of life by ensuring health, safety, and convenience. Metal–organic frameworks …

Interfaces between a liquid and a solid (L–S) are the most important surface science in
chemistry, catalysis, energy, and even biology. Formation of an electric double layer (EDL) …

Artificial olfaction based on gas sensor arrays aims to substitute for, support, and surpass
human olfaction. Like mammalian olfaction, a larger number of sensors and more signal …

Investigations into the mechanisms governing the behavior of metal oxide gas sensors
continue to be of great interest. Oxygen vacancies are a ubiquitous defect in this class of …

Conductive polymers (CPs) are promising organic semiconductors for many essential
applications because of their tunable physical/chemical properties, mechanical flexibility …

The development of metal-oxide semiconductor (MOS) based gas sensor has engrossed
demanding research interest in the last several decades because of their potential for the …

Sensor technology has an important effect on many aspects in our society, and has gained
much progress, propelled by the development of nanoscience and nanotechnology. Current …

Gallium nitride (GaN) light-emitting-diode (LED) technology has been the revolution in
modern lighting. In the last decade, a huge global market of efficient, long-lasting, and …

Human health, environmental protection and safety are just a few examples of humankind's
current main concerns, that drive the scientific community to develop sensors able to monitor …