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 …

Abstract This review (with 170 refs.) discusses approaches towards surface functionalizaton
of metal oxides by gold nanoparticles, and the application of the resulting nanomaterials in …

Metal-oxide-semiconductor (MOS) based gas sensors have been considered a promising
candidate for gas detection over the past few years. However, the sensing properties of MOS …

Detecting specific biomarkers in human breath is essential for diagnosing various diseases,
including lung cancer, asthma, and halitosis. Formaldehyde (HCHO) is a vital biomarker …

Metal oxide gas sensors operated at room temperature are highly desirable from the point of
view of energy conservation. However, they typically suffer from a long recovery time and a …

Room temperature (RT) gas sensors based on low-dimensional materials have rapidly
attracted wide attention in various automation control systems and particularly in the Internet …

SnO 2 has been extensively investigated and used to detect a variety of gases for practical
application. SnO 2 nanomaterials with different morphologies and spatial assemblies have …

A facile and elegant methodology invoking the principles of Green Chemistry for the
synthesis of porous tin dioxide nanospheres has been described. The low-temperature (∼ …

Carbon monoxide (CO) is a toxic gas, and environmental pollutant. Its detection and control
in residential and industrial environments are necessary in order to avoid potentially severe …

This paper describes the fabrication of a Au@ SnO 2 core–shell structure using the sol gel
method to manufacture the sensing materials. The properties of the sensing material were …