Selectivity in trace gas sensing: recent developments, challenges, and future perspectives
P Barik, M Pradhan - Analyst, 2022 - pubs.rsc.org
Selectivity is one of the most crucial figures of merit in trace gas sensing, and thus a
comprehensive assessment is necessary to have a clear picture of sensitivity, selectivity …
comprehensive assessment is necessary to have a clear picture of sensitivity, selectivity …
Fabrication of ZnO/CNTs for Application in CO2 Sensor at Room Temperature
Thin films of ZnO and ZnO/carbon nanotubes (CNTs) are prepared and used as CO2 gas
sensors. The spray pyrolysis method was used to prepare both ZnO and ZnO/CNTs films …
sensors. The spray pyrolysis method was used to prepare both ZnO and ZnO/CNTs films …
Reconfigurable coupled-resonator acoustoelastic waveguides in fluid-filled phononic metaplates
We study numerically and experimentally acoustoelastic wave propagation in a two-
dimensional phononic metaplate consisting of a periodic array of cups sitting on a thin epoxy …
dimensional phononic metaplate consisting of a periodic array of cups sitting on a thin epoxy …
A promising ultra-sensitive CO2 sensor at varying concentrations and temperatures based on Fano resonance phenomenon in different 1D phononic crystal designs
Detecting of the levels of greenhouse gases in the air with high precision and low cost is a
very urgent demand for environmental protection. Phononic crystals (PnCs) represent a …
very urgent demand for environmental protection. Phononic crystals (PnCs) represent a …
Ultra-sensitive gas sensor based fano resonance modes in periodic and fibonacci quasi-periodic Pt/PtS2 structures
Ultra-sensitive greenhouse gas sensors for CO2, N2O, and CH4 gases based on Fano
resonance modes have been observed through periodic and quasi-periodic phononic …
resonance modes have been observed through periodic and quasi-periodic phononic …
Reconfigurable waveguides defined by selective fluid filling in two-dimensional phononic metaplates
We investigate two-dimensional phononic metaplates consisting of a periodic array of cups
on a thin epoxy plate that is perforated with periodic cross holes. The cups are individually …
on a thin epoxy plate that is perforated with periodic cross holes. The cups are individually …
High quality and sensitivity phononic crystal channel drop filter to detect ethyl lactate in mixtures of ethyl lactate and 2-butoxy ethanol
This paper introduces a new sensing approach utilizing a solid-solid phononic crystal (PnC)
channel drop filter structure for the detection of varying molar fractions of Ethyl lactate within …
channel drop filter structure for the detection of varying molar fractions of Ethyl lactate within …
Enhanced ultrasonic wave generation using energy-localized behaviors of phononic crystals
This paper aims to bridge the energy-localized behaviors of a phononic crystal (PnC) and an
ultrasonic-wave-generation (UWG) system. A defective PnC manifests an intriguing …
ultrasonic-wave-generation (UWG) system. A defective PnC manifests an intriguing …
Highly efficient gas sensor based on quasi-periodic phononic crystals
Highly sensitive gas sensors have been introduced for the sensing of air, NH 3, O 2, CO 2, or
CH 4 gases. The quasi-periodic structures of simple and generalized Fibonacci, simple and …
CH 4 gases. The quasi-periodic structures of simple and generalized Fibonacci, simple and …
Theoretical optimisation of a novel gas sensor using periodically closed resonators
This study investigates using the phononic crystal with periodically closed resonators as a
greenhouse gas sensor. The transfer matrix and green methods are used to investigate the …
greenhouse gas sensor. The transfer matrix and green methods are used to investigate the …