کنفرانس مهندسی برق ایران

صفحه اصلی / بیست و نهمین کنفرانس مهندسی برق ایران

(Room Temperature Chemiresistor H2S Gas Sensor based on ZnS/PbS Core-Shell Quantum Dots(CSQDs

نویسندگان :

Mojtaba Azimi¹ Ali Rostami²

1- دانشگاه تبریز 2- دانشگاه تبریز

کلمات کلیدی :

gas sensor, core-shell quantum dot, chemiresistor, toxic gas, comsol, h2s, zns/Pbs

چکیده :

This paper investigates the response of chemiresistor gas sensor at room temperature with ZnS/PbS core-shell quantum dots as a gas-sensitive layer to detect hydrogen sulfide as a toxic gas, which is a product of decaying organic matter, refineries, and several industrial processes such as extracting crude oil. The dark current of the sensor is simulated and calculated by COMSOL Multiphysics software. The sensor's response .to different concentrations of hydrogen sulfide gas and how it changes over time is measured experimentally

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