The advancement of industry and the hastening of urbanization have led to serious
problems associated with the emanation of various harmful and lethal gases, which are a …

This review provides an analysis of one-electrode semiconductor gas sensor characteristics.
Typical designs and fabrication of one-electrode semiconductor gas sensors are discussed …

Ni-and/or Al-doped and undoped SnO2 thick film gas sensors were prepared using screen
printing technique and tested for their LPG gas sensitivity. Tin oxide powder was prepared …

NiO–SnO2 composite nanofibers are synthesized by electrospinning of a poly (vinyl
pyrroridone)(PVP)/SnCl2· 2H2O/NiCl2 solution. Indirect-heated sensors are fabricated by …

It has been demonstrated that the incorporation of Ni into metal oxide-based gas sensors
often enhances the sensing performance by increasing the catalytic and heterojunction …

Heterojunctions are often introduced into gas sensor electrodes due to they can lower the
working temperature and increase response rate during gas-sensing detection. However …

A formaldehyde gas sensor with high sensitivity and superior selectivity has been fabricated
successfully with NiO–SnO2 hybrid nanospheres, which consisted of n-type porous SnO2 …

A series of Ni/mesostructured silica nanoparticles (NiM) catalysts from an electrolyzed Ni
precursor were prepared by in-situ (NiM_IS), impregnation (NiM_IM), and physical mixing …

A combinatorial hydrothermal reaction has been used to prepare pure and additive (Sb, Cu,
Nb, Pd, and Ni)-loaded In2O3 hollow spheres for gas sensor applications. The operation of …

For investigating the role of metal additives in enhancing the gas sensing response of an
oxide semiconductor material, In2O3: Ag composite nanoparticle layers having well-defined …