Abstract
Sensor technology is a talented progression in the fundamental science and has vital role in the environmental and health monitoring. A lot of sensor materials with different sensitivities have been exposed but the prospective for industrial development as sensors and environmental supplement are still limited. Chloroform chemi-sensor has been fabricated by proficient exploitation of CuO microsphere as redox mediator. CuO microsphere showed good sensitivity (1.497μMcm−2mM−1) and lower limit of detection (LOD=0.08mM) with linear dynamic range (LDR) of 0.13mM to 0.66M in short response time (10.0s). The hydrothermally synthesized CuO microsphere were characterized by using field emission scanning electron microscopy (FE-SEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and UV–vis spectra. XRD and FTIR approved that synthesized product is well crystalline, single phase monoclinic CuO. Morphological investigations revealed that CuO composed of nano-block which arranged and structured themselves in a proper manner to give sphere like micro-structures.
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