Semiconductor materials and devices for gas sensors

P Raju, Q Li - Journal of The Electrochemical Society, 2022 - iopscience.iop.org
Gas sensors are frequently used for detecting toxic gases and vapors for environmental
control, industrial monitoring and household safety. Semiconductor conductivity can be …

Gas sensing based on metal-organic frameworks: Concepts, functions, and developments

R Zhang, L Lu, Y Chang, M Liu - Journal of hazardous materials, 2022 - Elsevier
Effective detection of pollutant gases is vital for protection of natural environment and human
health. There is an increasing demand for sensing devices that are equipped with high …

Interaction activated interfacial charge transfer in 2D g-C3N4/GaN nanorods heterostructure for self-powered UV photodetector and room temperature NO2 gas sensor …

M Reddeppa, NT KimPhung, G Murali… - Sensors and Actuators B …, 2021 - Elsevier
In this work, we demonstrated a single device of gC 3 N 4/GaN NRs heterostructure with
dual functionality for self-powered ultraviolet light photodetector and selective NO 2 gas …

NOx gas sensors based on layer-transferred n-MoS2/p-GaN heterojunction at room temperature: study of UV light illuminations and humidity

M Reddeppa, BG Park, G Murali, SH Choi… - Sensors and Actuators B …, 2020 - Elsevier
Transition metal dichalcogenides (TMDs) have gained extensive interest due to their
phenomenal optoelectrical and electrochemical properties. Recently, TMDs are used as one …

Effect of mixing ratio on NO2 gas sensor response with SnO2-decorated carbon nanotube channels fabricated by one-step dielectrophoretic assembly

M Inaba, T Oda, M Kono, N Phansiri, T Morita… - Sensors and Actuators B …, 2021 - Elsevier
We fabricated nitrogen dioxide (NO 2) gas sensors with p-type carbon nanotubes (CNTs)/n-
type tin dioxide (SnO 2) nanoparticle heterojunctions using one-step dielectrophoretic …

UV-activated ultrasensitive and fast reversible ppb NO2 sensing based on ZnO nanorod modified by constructing interfacial electric field with In2O3 nanoparticles

H Wang, L Zhou, Y Liu, F Liu, X Liang, F Liu… - Sensors and Actuators B …, 2020 - Elsevier
The poor recovery characteristic of NO 2 sensors operated at room temperature is always a
challenge to solve. In order to realize the combination of ultra-high response and fast …

A flexible and wearable NO2 gas detection and early warning device based on a spraying process and an interdigital electrode at room temperature

F Zhang, Q Lin, F Han, Z Wang, B Tian… - Microsystems & …, 2022 - nature.com
Flexible sensors used to detect NO2 gas generally have problems such as poor
repeatability, high operating temperature, poor selectivity, and small detection range. In this …

Photoactivated materials and sensors for NO 2 monitoring

M Šetka, M Claros, O Chmela, S Vallejos - Journal of Materials …, 2021 - pubs.rsc.org
This review presents the recent research efforts and developments in photoactive materials
for sensing ppb concentrations of NO2. It also includes the fundamentals of photoactivated …

Highly sensitive and low detection limit NO2 gas sensor based on In2O3 nanoparticles modified peach kernel-like GaN composites

H Wang, Z Feng, Y Zhang, D Han, J Ma, X Chai… - Sensors and Actuators B …, 2023 - Elsevier
The effective detection of ppb-level NO 2 is of great significance to the natural environment
and human health. In this work, a series of In 2 O 3 nanoparticles modified peach kernel-like …

Synergistic effect between UV light and PANI/Co3O4 content on TiO2 composite nanoparticles for room-temperature acetone sensing

JH Lee, JY Kim, MS Nam, A Mirzaei, HW Kim… - Sensors and Actuators B …, 2023 - Elsevier
Ternary hybrid composites are less explored for gas sensing purposes due to their
complexity of structures. However, their complexity brings about a greater potential for …