For a couple of decades, there is a tremendous growth in industries and technology in the
global level. Unfortunately, emerging new industries became a main reason for rising air …

Over the past decades, many materials like metal oxides, conducting polymers, carbon
nanotubes, 2D materials, graphene, zeolites and porous organic frameworks (MOFs and …

Despite the high sensitivity and selectivity, the high operating temperature required for
activation energy of tin oxide (SnO2) still stands as a drawback for SnO2 based gas sensors …

In the realm of electrochemical sensor application, the development and fabrication of
semiconducting metal oxides with the integration of conducting polymers for the trace-level …

Hydrogen (H2) has been considered as one of the cleanest renewable energy sources.
However, it is still challenging to use H2 due to its hazardous flammable and explosive …

Trimethylamine (TMA) is highly toxic and can have lethal effects on living organisms.
Detecting the presence of TMA in air is very important because, if the TMA level exceeds the …

Abstract Pure and Co doped (1–5 wt%.) ZnO thin films were synthesised using the chemical
spray pyrolysis method for the detection of acetaldehyde at 300 K. The gas sensing …

In recent years, many 2D nanomaterials like graphene, MoS 2, phosphorene, and metal
oxide nanosheets have been investigated for gas sensing applications due to their excellent …

Cadmium oxide (CdO) is one among the transparent conducting oxides which is famous for
its various applications in optoelectronics, gas sensors, and electrochemical sensors, etc …

Detection of oxygen plays an important role in food industry, medicine and controlling
automotive exhaust. Here, we have developed a Co 3 O 4 nanoparticle-based oxygen gas …