Mechanism of Optical and Electrical H2S Gas Sensing of Pristine and Surface Functionalized ZnO Nanowires

Angelika Kaiser, Tanja Mauritz, Joachim Bansmann, Johannes Biskupek, Ulrich Herr, Klaus Thonke · 2024

Read Mechanism of Optical and Electrical H2S Gas Sensing of Pristine and Surface Functionalized ZnO Nanowires by Angelika Kaiser, Tanja Mauritz, Joachim Bansmann, Johannes Biskupek, Ulrich Herr, Klaus Thonke (2024) in the Tower of Babel, a free online library of public-domain works preserved in clean, searchable text. No sign-up. The full text is served as a plain-text file at a predictable URL, where text is present: https://antarctic-labs.com/tower-of-babel/pmc-11683626.txt.

Description

A toxic gas with a rotten-egg smell must be caught fast in factories and labs, and tiny wires made of a common metal oxide can sense it. Angelika Kaiser and co-authors compared plain wires with gold-coated wires in this 2024 study. They watched the gas response in two ways at once: by light output and by electric current.

The wires were grown at high heat, and some were then coated with a thin gold layer. Surface tests and heat measures helped the team work out the steps by which the gas sticks and reacts. Plain and coated wires behaved in distinct ways, which matters for tuning a sensor to be fast and picky. The paper gives sensor builders a clearer picture of the chemistry behind the signal.

Catalog record

CREATORAngelika Kaiser, Tanja Mauritz, Joachim Bansmann, Johannes Biskupek, Ulrich Herr, Klaus Thonke
YEAR2024
COLLECTIONPAPERS
FORMATTXT
FILE SIZE51 KB
VERSION1.0
LICENSECC BY 4.0
RIGHTSCC BY
SOURCEEurope PMC

Source: https://europepmc.org/articles/PMC11683626

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