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Iron Pathalocynine Decorated Graphene Based Field Effect Transistor for Ammonia Gas Sensing

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Graphene (G) has been reported as one of the most interesting material because of its outstanding properties including flexibility, high mobility, transparency, heat dissipation ability, and so further. Graphene due to its unusual band structure, two-dimensional (2D) nature and electrical tenability has shown potential to be adopted in solid state gas sensors. Generally, the gas sensing mechanism of graphene is based on the resistance change due to the charge transfer between the adsorbed gas molecules and graphene surface. Many reports results have shown that the gas molecules including NH3 and NO2 are weakly adsorbed on the surface of pristine graphene. In this report we have enhanced the gas sensing property of graphene by decorating the graphene surface with typical organic semiconductor material i.e., iron Phthalocynine (FePC). The basic purpose was to functionalizing the graphene channel, to adsorb the more target gas molecules. The prepared FePC/G hybrid system shows the sensitivity response/recovery and excellent selectivity for NH3 gas at room temperature.
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Keywords: GRAPHENE; IRON PHTHALOCYANINE (FEPC); SOLID STATE GAS SENSORS

Document Type: Research Article

Publication date: September 1, 2018

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  • Journal of Nanoelectronics and Optoelectronics (JNO) is an international and cross-disciplinary peer reviewed journal to consolidate emerging experimental and theoretical research activities in the areas of nanoscale electronic and optoelectronic materials and devices into a single and unique reference source. JNO aims to facilitate the dissemination of interdisciplinary research results in the inter-related and converging fields of nanoelectronics and optoelectronics.
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