NO 2 is an oxidizing gas, which is considered to be the most dangerous and most toxic gas
that should be controlled. Because of the advantages of high sensitivity, selectivity, stability …

With the rapid development of the Internet of Things, there is a great demand for portable
gas sensors. Metal oxide semiconductors (MOS) are one of the most traditional and well …

Conductive hydrogels have drawn significant attention in the field of stretchable/wearable
sensors due to their intrinsic stretchability, tunable conductivity, biocompatibility, multistimuli …

Breathing is an inherent human activity; however, the composition of the air we inhale and
gas exhale remains unknown to us. To address this, wearable vapor sensors can help …

Flexible gas sensors have recently attracted researcher's great attention due to their
applications in wearable electronics for different fields like environmental protection, food …

Hydrogel nanocomposites have been recognized as 'smart materials' owing to their three-
dimensional polymeric structures that can easily stabilize the constituent nanomaterials …

Real-time rapid detection of toxic gases at room temperature is particularly important for
public health and environmental monitoring. Gas sensors based on conventional bulk …

Flexible electronics (FEs) with excellent flexibility or foldability may find widespread
applications in the wearable devices, artificial intelligence (AI), Internet of Things (IoT), and …

In the present era of the Internet of Things, wearable sensors have been receiving
considerable attention owing to their great potential in a plethora of applications. Highly …

Highly stretchable, sensitive and room-temperature nitrogen dioxide (NO2) sensors are
fabricated by exploiting intrinsically stretchable, transparent and ion-conducting hydrogels …