Abstract Bismuth tungstate (Bi2WO6) nanomaterials were synthesized through hydrothermal method. XRD and SEM studies on synthesized nanomaterials showed crystal structure as orthorhombic phase and surface morphology as nanochips with rectangular… Click to show full abstract
Abstract Bismuth tungstate (Bi2WO6) nanomaterials were synthesized through hydrothermal method. XRD and SEM studies on synthesized nanomaterials showed crystal structure as orthorhombic phase and surface morphology as nanochips with rectangular shape, respectively. As prepared bismuth tungstate nanoparticles were used to modify a portion of the cladding of PMMA optical fiber and their gas sensing characteristics were studied at room temperature for various concentrations (ppm) of ammonia, ethanol, and methanol. The gas sensor exhibited good response to methanol.
               
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