A Paper-Based Ultrasensitive Optical Sensor for the Selective Detection of H<sub>2</sub>S Vapors

A Paper-Based Ultrasensitive Optical Sensor for the Selective Detection of H<sub>2</sub>S Vapors

A selective and inexpensive chemical paper-based sensor for the detection of gaseous H<sub>2</sub>S is presented. The triggering of the sensing mechanism is based on an arene-derivative dye which undergoes specific reactions in the presence of H<sub>2</sub>S, allowing for col...

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Bibliographic Details
Main Authors: Alejandro P. Vargas, Francisco Gámez, Javier Roales, Tânia Lopes-Costa, José M. Pedrosa
Format: Article
Language:English
Published: MDPI AG 2021-02-01
Series:Chemosensors
Subjects:
optical gas sensor
chemical sensors
toxic gases
colorimetric probes
Online Access:https://www.mdpi.com/2227-9040/9/2/40

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