There is a great interest in portable gas sensing technologies to provide real-time monitoring
of indoor and outdoor air quality as well as the human health diagnostics. One-dimensional …

Gas sensors allow the monitoring of the chemical environment of humans, which is often
crucial for their wellbeing or even survival. Miniaturization, reversibility, and selectivity are …

The concept of the" Internet of Things" has made smart materials essential for sensing,
responding to, and adapting to real-time feedback from the external environment. Cellulose …

Nitrogen dioxide (NO 2) is one of the most hazardous toxic pollutants to human health and
the environment. However, deficiencies of low sensitivity and poor selectivity at room …

Defect engineering in transition metal oxides semiconductors (TMOs) is attracting
considerable interest due to its potential to enhance conductivity by intentionally introducing …

To ensure production and life safety, it is urgent to efficiently and rapidly detect
diisopropylamine, a toxic substance. In this study, porous MoO 3 nanosheets about 5.5 nm …

The two-dimensional (2D) material, MoS2, has attracted great attention in the development
of room-temperature gas sensors in recent years due to its large specific surface area, ultra …

Gas sensing devices have gained substantial attention by using semiconducting
heterojunctions composed of two-dimensional (2D) transition metal dichalcogenide (TMDs) …

Bimetallic Pd–Ag alloy nanoparticles exhibit satisfactory H2-sensing improvements and
show application potential for H2 sensor construction. However, the long-term stability of the …

In this work tungsten disulphide nanostructures loaded with platinum-oxide (PtO), or
palladium-oxide (PdO) were grown directly onto alumina substrates. This was achieved …