Palladium Film Chemical Sensor

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Year:
2014
Type of Publication:
Article
Keywords:
Palladium, Semiconductor, Spectrometer, Sensor, Thin-Film
Authors:
Al bashir Zomrawi; A. M. Awadelgied; S. F. Abdalah; K. Al Naimee
Journal:
IJISM
Volume:
2
Number:
2
Pages:
270-272
Month:
March
Abstract:
Palladium-based sensors are gaining wide popularity in the industry due to their reliability and high specificity to hydrogen. Any hydrogen sensor technology needs to satisfy the basic requirements sensitivity, in this research Palladium thin films have been prepared on glass sub-strates and explored as a fast response sensor to hydrogen gas. Films are prepared by vaporization deposition technique with annealing temperature is around 600 C0. The optical characteristics of prepared films show that they are highly sensitive, but their properties vary considerably when the measurements are conducted in vacuum or in air. The response-recovery time of Pd materials to hydrogen gas is characterized to be relatively extremely short.

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