Hexagon platinum Schottky contact with ZnO thin film for hydrogen sensing
Mohd Azol, Mas Elyza, Nayan, Nafarizal, Hashim, Uda, Kashif, Muhammad, Shafiei, Mahnaz, Ling Leow, Pei, & Arsat, Rashidah (2013) Hexagon platinum Schottky contact with ZnO thin film for hydrogen sensing. Jurnal Teknologi, 64(3), pp. 99-103.
This paper reports on the study of the effect on adding total peripheries and sharp edges to the Schottky contact as a hydrogen sensor. Schottky contact was successfully designed and fabricated as hexagon-shape. The contact was integrated together with zinc oxide thin film and tested towards 1% hydrogen gas. Simulations of the design were conducted using COMSOL Multiphysics to observe the electric field characteristic at the contact layer. The simulation results show higher electric field induced at sharp edges with 4.18×104 V/m. Current-voltage characteristic shows 0.27 V voltage shift at 40 μA biased current.
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|Item Type:||Journal Article|
|Keywords:||Schottky diode, electrode, hexagon-shape, zinc Oxide, hydrogen sensor|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2013 Penerbit UTM Press.|
|Deposited On:||19 Jan 2014 23:18|
|Last Modified:||22 Jan 2014 03:02|
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