Related Experiment Video
Updated: Sep 7, 2025
07:28
Terahertz Microfluidic Sensing Using a Parallel-plate Waveguide Sensor
Published on: August 30, 2012
10.9K
The Recent Development in Chemoresistive-Based Heterostructure Gas Sensor Technology, Their Future Opportunities and
Mir Waqas Alam1, Pheiroijam Pooja2, Muhammad Aamir3
1Department of Physics, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia.
Membranes
|June 23, 2022
Summary
This review highlights advancements in high-performance gas sensors for environmental safety. It details novel materials and structures for detecting toxic gases, crucial for public health.
Area of Science:
- Materials Science
- Environmental Science
- Chemical Engineering
Background:
- Atmospheric pollution necessitates advanced gas sensing technologies for health and environmental safety.
- Significant progress has been made in developing novel, highly sensitive, and selective materials for gas detection.
Purpose of the Study:
- To review recent developments in selective and sensitive detection of environmentally toxic gases.
- To provide a comprehensive overview of gas sensor classifications, sensing mechanisms, and material configurations.
Main Methods:
- Review of existing literature on gas sensor devices, materials, and properties.
- Discussion of sensing mechanisms involving adsorption/desorption and surface chemical reactions.
- Analysis of various heterostructure morphologies (mixed, multilayered, composite, core-shell, hollow, decorated) and their impact on gas-sensing properties.
Main Results:
- Classification of gas sensors based on structure, materials, and properties.
- Detailed examination of sensing mechanisms.
- Comprehensive review of diverse heterostructure designs for enhanced hazardous gas detection.
Conclusions:
- Heterostructure engineering offers tunable gas-sensing properties for hazardous gases.
- Material configurations and interface properties are key for developing commercial gas-sensing devices.
