Abstract
Highly sensitive ammonia chemical sensor has been fabricated by using efficient ZnO nanorods (NRs) synthesized by low temperature wet-chemical process. The fabricated ammonia sensor showed excellent sensitivity ∼5.538μA/cm2/mM, lower-detection limit (∼0.11μM), and large-linear dynamic range (LDR, 0.5μM to 0.5mM) with good linearity (R=0.7102) in short response time (10.0s). Additionally, ZnO NRs displayed excellent performance in degrading acridine orange (AO), methylene blue (MB), and amido black (AB). The structural and morphological characterizations of the synthesized ZnO was carried out by field emission scanning electron microscopy (FESEM), powder X-ray diffraction (XRD), Fourier transform infrared spectrophotometer (FT-IR), and UV–vis spectrophotometer, which confirmed that the synthesized product is wurtzite type well-crystalline rod-shape structure with an average diameter of 58.61±5.0nm.
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