Breath analysis is an attractive strategy that holds tremendous potential to achieve non-
implantable physical health management enabled by flexible humidity sensors for breathing …

The rapid development of conducting polymers has demonstrated great potential for
chemical gas detection at room temperature. Their electrical conductivity can be altered …

Highly active two‐dimensional (2D) nanocomposites, integrating the unique merits of
individual components and synergistic effects of composites, are greatly desired for flexible …

Advances in digital health care have driven innovations in high‐performance wearable and
smart sensors. One requirement in this field is establishing healthy, secure, and reliable …

The development of materials with high efficiency and stable signal output in a bent state is
important for flexible electronics. Grain boundaries provide lasting inspiration and a …

Porous metal oxides are promising materials for VOCs (volatile organic compounds)
chemical sensors, because they have large specific surface areas and enough internal …

An optical fiber acetone gas sensor based on N-CQDs@ In 2 O 3 porous ordered thin film is
proposed. The probe adopts the hollow malposition structure (HMS) to excite the …

The gas sensing applications of nanocages find intense attention in environmental
monitoring. In this research, the adsorption of nitrogen and sulfur-containing gaseous …

Although ammonia gas sensor research has been developed for a long time, room
temperature flexible ammonia gas sensors with high sensitivity and selectivity are still hot …

Gas-sensing properties of metal oxide are strongly dependent on the morphology, porosity,
and crystal size; thus, researchers are trying to improve the sensitivity by using …