4.6 Article

Effects of Postdeposition Annealing Ambience on NO2 Gas Sensing Performance in Si-Based FET-Type Gas Sensor

Related references

Note: Only part of the references are listed.
Article Chemistry, Analytical

Utilization of a Gas-Sensing System to Discriminate Smell and to Monitor Fermentation during the Manufacture of Oolong Tea Leaves

Ting-Shiang Tseng et al.

Summary: The study tested the feasibility of using an electronic nose system to control the shaking and setting time in the manufacturing process of oolong tea, utilizing metal-oxide-semiconductor gas sensors for experiments and successfully categorizing samples into different stages. Based on experience and research, the results from the E-nose were similar to those of practitioners' senses, showing the potential to replace the sensory function of practitioners in the future.

MICROMACHINES (2021)

Article Chemistry, Analytical

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

Masafumi Inaba et al.

Summary: The study fabricated CNT/SnO2 heterojunction gas sensors using one-step dielectrophoretic assembly and investigated the effect of CNT/SnO2 ratio on gas detection properties. The results showed that the UV-irradiated CNT/SnO2 heterojunction gas sensor had a high response to 1 ppm NO2 in artificial air.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

A stretchable, room-temperature operable, chemiresistive gas sensor using nanohybrids of reduced graphene oxide and zinc oxide nanorods

Dong-Bin Moon et al.

Summary: The chemiresistive gas sensor based on rGO and ZnO NRs nanohybrids shows excellent stretchability, mechanical properties, ultra-sensitive detection of gases including NO2, and high selectivity at room temperature.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Variable gas sensing performance towards different volatile organic compounds caused by integration types of ZnS on In2O3 hollow spheres

Peng He et al.

Summary: This study investigated various integration types of In2O3/ZnS composites as high-performance sensing materials for different volatile organic compounds. Two optimized structures were prepared by adjusting the molar ratios of In2O3 to ZnS and showed different sensing responses towards specific target gases, highlighting the importance of composite selection and structure design in developing high-performance gas sensors.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Effects of IGZO film thickness on H2S gas sensing performance: Response, excessive recovery, low-frequency noise, and signal-to-noise ratio

Wonjun Shin et al.

Summary: The research found that as the thickness of the IGZO film increases, the dominant sensing area transitions from the surface to the bulk, the resistor-type gas sensor has lower noise and higher SNR, and the response of the FET-type gas sensor depends on film porosity, with no dependence on noise characteristics.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Review Chemistry, Analytical

FET-type gas sensors: A review

Seongbin Hong et al.

Summary: This paper reviews the evolution and recent trends of FET-type gas sensors, focusing on different types of FET gas sensors, their device structure, operating principles, advantages and disadvantages, sensing properties, and methods to enhance performance. Additionally, it introduces a pre-bias scheme to improve sensing characteristics and discusses the key characteristics and development direction of FET gas sensors embedded with low-power micro-heaters.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Towards a low cost fully integrated IGZO TFT NO2 detection and quantification: A solution-processed approach

Mani Teja Vijjapu et al.

Summary: This study presents a novel room temperature operable gas sensor for detecting NO2 without continuous light activation, showing promising sensing and selectivity towards NO2. Kelvin probe force microscopy characterization was used to understand the sensing mechanism, and a gas-sensitive digital indicator was demonstrated for quantifying NO2 concentration. The research paves the way for portable, compact, and inexpensive gas sensing systems for various applications.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Review Chemistry, Multidisciplinary

Work Function-Based Metal-Oxide-Semiconductor Hydrogen Sensor and Its Functionality: A Review

Tejaswini Sahoo et al.

Summary: Hydrogen, a nonpolluting gas, is emerging as an ideal, suitable, and economical energy carrier, but poses severe safety challenges due to its low ignition energy and exothermic reaction with air. Work function-based sensors, with their sensitivity, selectivity, cost-effectiveness, and other advantages, are viable for mass production and play a crucial role in preventing accidents.

ADVANCED MATERIALS INTERFACES (2021)

Review Physics, Condensed Matter

Gas sensing materials roadmap

Huaping Wang et al.

Summary: Gas sensor technology is widely utilized in various fields and continuous efforts are made to improve selectivity, sensitivity, and power consumption. Research has focused on the sensing layer, with emerging materials like nanocomposites and two-dimensional materials gaining interest. This roadmap aims to discuss the current status, progress, and challenges in gas sensing materials for future applications.

JOURNAL OF PHYSICS-CONDENSED MATTER (2021)

Article Engineering, Electrical & Electronic

Optimization of post-deposition annealing temperature for improved signal-to-noise ratio in In2O3 gas sensor

Wonjun Shin et al.

Summary: The effects of post-deposition annealing temperature on In2O3 gas sensors' response to H2S gas and low-frequency noise characteristics were investigated. The sensor annealed at 200 degrees Celsius exhibited the largest 1/f noise, while the sensor annealed at 300 degrees Celsius showed the largest signal-to-noise ratio.

SEMICONDUCTOR SCIENCE AND TECHNOLOGY (2021)

Article Chemistry, Analytical

Comparison of the characteristics of semiconductor gas sensors with different transducers fabricated on the same substrate

Gyuweon Jung et al.

Summary: This study compared the characteristics of gas sensors using different transducers (MOSFET, resistor, and TFT), with results showing that the TFT-type gas sensor performed the best in terms of response, signal to noise ratio, and limit of detection.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Analytical

Ni-doped SnO2/g-C3N4 nanocomposite with enhanced gas sensing performance for the eff;ective detection of acetone in diabetes diagnosis

Weiwei Guo et al.

Summary: The study utilized calcining and hydrothermal method to grow highly ordered Ni-doped SnO2 nanosheets onto g-C3N4 lamina, resulting in a Ni-SnO2/g-C3N4 composite with high sensitivity and good stability for detecting acetone, showing potential for diabetes diagnosis.

SENSORS AND ACTUATORS B-CHEMICAL (2021)

Article Chemistry, Physical

Integration of a porous wood-based triboelectric nanogenerator and gas sensor for real-time wireless food-quality assessment

Chenchen Cai et al.

Summary: A self-powered triboelectric nanogenerator-based wireless gas sensor system was developed for real-time monitoring of perishable food quality. The system utilizes the porous structure of wood and the ammonia sensitive properties of carbon nanotubes to selectively detect concentrations of ammonia gas. It can wirelessly transmit data to user interfaces for easy monitoring.

NANO ENERGY (2021)

Article Materials Science, Multidisciplinary

Development of ultrasensitive indium oxide layer with high response to NO2 gas in indium gallium zinc oxide stack structure using atomic layer deposition

S. B. Eadi et al.

Summary: An IGZO-based sensor was fabricated using ALD for NO2 gas detection. Annealing the stack structure resulted in an active In2O3 sensing layer, significantly enhancing the sensing performance. The sensor showed excellent NO2 detection performance, selectivity, and repeatability.

MATERIALS LETTERS (2021)

Review Engineering, Electrical & Electronic

The recent development of metal oxide heterostructures based gas sensor, their future opportunities and challenges: A review

Ajeet Singh et al.

Summary: Metal oxide-based heterostructures can enhance gas sensing performance by improving catalytic activity, increasing adsorption rate, and creating a charge carrier depletion layer. Different structures such as mixed heterostructure, core-shell structure, etc., contribute to the improvement of important sensing parameters of the sensor.

SENSORS AND ACTUATORS A-PHYSICAL (2021)

Article Nanoscience & Nanotechnology

Low-Frequency Electronic Noise in Quasi-2D van der Waals Antiferromagnetic Semiconductor FePS3-Signatures of Phase Transitions

Subhajit Ghosh et al.

Summary: This study investigates low-frequency current fluctuations and noise characteristics in the semiconductor FePS3 with an electronic bandgap of 1.5 eV. The results show that the noise spectral density varies with temperature and reveals different features, while the Lorentzian corner frequencies show significant dependence on temperature and bias voltage, indicating a more complex origin of noise compared to conventional semiconductors. These findings are important for potential applications of antiferromagnetic semiconductors in spintronic devices and demonstrate the power of noise spectroscopy in monitoring various phase transitions.

ADVANCED ELECTRONIC MATERIALS (2021)

Article Chemistry, Multidisciplinary

Effect of charge storage engineering on the NO2 gas sensing properties of a WO3 FET-type gas sensor with a horizontal floating-gate

Wonjun Shin et al.

Summary: The effects of charge storage engineering (CSE) on the NO2 gas sensing properties of a FET-type gas sensor were investigated. By adjusting the FG state and increasing the number of holes, the response speed and sensitivity of the sensor were improved.

NANOSCALE (2021)

Review Chemistry, Analytical

Role of Oxygen Vacancies in Nanostructured Metal-Oxide Gas Sensors: A Review

Mohamad Al-Hashem et al.

SENSORS AND ACTUATORS B-CHEMICAL (2019)

Review Materials Science, Multidisciplinary

Semiconductor metal oxide gas sensors: A review

Ananya Dey

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS (2018)

Review Materials Science, Multidisciplinary

Semiconductor metal oxide gas sensors: A review

Ananya Dey

MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS (2018)

Article Chemistry, Analytical

IUPAC-Consistent Approach to the Limit of Detection in Partial Least-Squares Calibration

Franco Allegrini et al.

ANALYTICAL CHEMISTRY (2014)

Article Materials Science, Multidisciplinary

Properties of the oxygen vacancy in ZnO

D. M. Hofmann et al.

APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING (2007)