BTEX are highly toxic environmental compounds that have carcinogenic and mutagenic
effects in humans. These components are ubiquitous in environmental samples like water …

With the demanding detection of unique toxic gas, semiconductor gas sensors have
attracted tremendous attention due to their intriguing features, such as, high sensitivity …

Abstract Tungsten oxide (WO 3), a typical n-type gas-sensing material, has attracted
considerable attention to detect various hazardous gases. Previous studies indicated that …

Pure, mixed and doped metal oxides (MOX) have attracted great interest for the
development of electrical and electrochemical sensors since they are cheaper, faster, easier …

The direct exposure of volatile organic compounds (VOCs) is widely related to several
adverse health effects. Therefore, an accurate amount of its usage is necessary required …

SnO 2 has been extensively used in the detection of various gases. As a gas sensing
material, SnO 2 has excellent physical-chemical properties, high reliability, and short …

Toluene is one of the harmful volatile organic compounds (VOCs) for both human health and
environments. Thus, to prevent the hazardous effect of toluene, fast detection at an early …

With the increasing demands of indoor air quality monitoring, highly sensitive and selective
gas sensor arrays consisting of metal oxide semiconductors have been increasingly studied …

Most volatile organic compounds (VOCs) are toxic, carcinogenic, and mutagenic, and can
have serious effects on human health and the ecological environment. Therefore, the …

CuO/WO 3 hierarchical hollow microspheres, assembled from irregular two dimensional
(2D) nanosheets, were prepared by ultrasonic-wet chemical etching and pyrolysis in this …