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Chalcogenide Glass Based Sensors

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Chemical Sensors".

Deadline for manuscript submissions: closed (25 April 2023) | Viewed by 2187

Special Issue Editor


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Guest Editor
State Key Laboratory of Modern Optical Instrumentation, College of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
Interests: chalcogenide glass photonics; integrated photonics; mid-infrared photonics; 2D-materials photonics

Special Issue Information

Dear Colleagues,

With its numerous advantages, such as a high chemical stability, wide optical transparency in the infrared range, large nonlinear optical effect, low tendency to crystallize, and low optical losses, chalcogenide glasses have been widely applied in industrial factories, chemical sensing, biomedical analysis, environmental monitoring, and telecommunications. The amorphous state and low-temperature deposition capability allow for chalcogenide glasses to be compatible with various materials systems and integrated platforms. This Special Issue aims to introduce recent advances in the use of chalcogenide glasses as chemical sensors, strain sensors, biosensors, photosensors, electric field sensors, magnetic sensors, photodetectors, temperature sensors, thermal radiation sensors, and humility sensors in different fields, as well as to collect discussions on the opportunities and challenges of chalcogenide glass-based sensors for future applications.

Prof. Dr. Hongtao Lin
Guest Editor

Manuscript Submission Information

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Keywords

  • chalcogenide glass
  • chemical sensors
  • biosensors
  • infrared sensors
  • photodetectors
  • on-chip sensors

Published Papers (1 paper)

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Research

14 pages, 3182 KiB  
Article
Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection
by Maria Bokova, Steven Dumortier, Christophe Poupin, Renaud Cousin, Mohammad Kassem and Eugene Bychkov
Sensors 2022, 22(24), 9986; https://doi.org/10.3390/s22249986 - 18 Dec 2022
Cited by 1 | Viewed by 1679
Abstract
Chalcogenide glasses are widely used as sensitive membranes in the chemical sensors for heavy metal ions detection. The lack of research work on sodium ion-selective electrodes (Na+-ISEs) based on chalcogenide glasses is due to the high hygroscopicity of alkali dopes chalcogenides. [...] Read more.
Chalcogenide glasses are widely used as sensitive membranes in the chemical sensors for heavy metal ions detection. The lack of research work on sodium ion-selective electrodes (Na+-ISEs) based on chalcogenide glasses is due to the high hygroscopicity of alkali dopes chalcogenides. However, sodium halide doped Ga2S3-GeS2 glasses are more chemically stable in water and could be used as Na+-sensitive membranes for the ISEs. In this work we have studied the physico-chemical properties of mixed cation (AgI)x(NaI)30-x(Ga2S3)26(GeS2)44 chalcogenide glasses (where x = 0, 7.5, 15, 22.5 and 30 mol.% AgI) using density, DSC, and conductivity measurements. The mixed cation effect with shallow conductivity and glass transition temperature minimum was found for silver fraction r = Ag/(Na + Ag) ≈ 0.5. Silver addition decreases the moisture resistance of the glasses. Only (AgI)22.5(NaI)7.5(Ga2S3)26(GeS2)44 composition was suitable for chemical sensors application, contrary to the single cation sodium halide doped Ga2S3-GeS2 glasses, where 15 mol.% sodium-halide-containing vitreous alloys are stable in water solutions. The analytical parameters of (NaCl)15(Ga2S3)23(GeS2)62; (NaI)15(Ga2S3)23(GeS2)62 and (AgI)22.5(NaI)7.5(Ga2S3)26(GeS2)44 glass compositions as active membranes in Na+-ISEs were investigated, including detection limit, sensitivity, linearity, ionic selectivity (in the presence of K+, Mg2+, Ca2+, Ba2+, and Zn2+ interfering cations), reproducibility and optimal pH-range. Full article
(This article belongs to the Special Issue Chalcogenide Glass Based Sensors)
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