Comparison Study Between Hydrogen Palladium Sensor and Hydrogen Manganese Dioxide Sensor IJTSRD


This research work oriented to compares between Palladium (Pd) thin films sensor that have been prepared on glass substrates and hydrogen sensor using optical ?ber, coated with Manganese dioxide (MnO2) nanostructures. Palladium thin films prepared by vaporization deposition technique with annealing temperature around 600C0. Where, manganese dioxide, prepared on Optical Multimode Fiber (MMF)of 125m in diameter as the transducing platform was tapered to 20m to enhance the evanescent ?eld of the light propagates in the ?ber core. The optical characteristics of the prepared films showed that they are highly sensitive, but their properties considerably vary when the measurements conducted in vacuum or in air. The response-recovery time of Pd materials to hydrogen gas is characterized to be extremely short. The tapered optical ?ber coated with Pd/MnO2 nanograins was found to be sensitive towards hydrogen with different concentrations in synthetic air at 240-°C operating temperature. The annealed sensor showed higher response and sensitivity compared with the as-prepared sensors when measured in the visible to near infrared optical wavelength range. The absorbance response of the annealed Pd/MnO2 on ?ber has increased to 65% compared to 20% for the as-prepared Pd/MnO2 upon exposure to 1% Hydrogenin synthetic air.

Dr. Albashir Zomrawi | K. AlNaimee”Comparison Study Between Hydrogen Palladium Sensor and Hydrogen Manganese Dioxide Sensor”

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-4 , June 2018,

URL: http://www.ijtsrd.com/papers/ijtsrd13088.pdf

http://www.ijtsrd.com/physics/engineering-physics/13088/comparison-study-between-hydrogen-palladium-sensor-and-hydrogen-manganese-dioxide-sensor/dr-albashir-zomrawi

call for paper Civil Engineering, international journal Agricultural Engineering, ugc approved journals Engineering




Comparison Study Between Hydrogen Palladium Sensor and Hydrogen Manganese Dioxide Sensor IJTSRD IEEE PAPER





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