Synthesis of g-C3N4 by doping Bi2S3 for the photocatalytic degradation of NOx under solar light

NOx is a universal term for nitrogen oxide relevant to air pollution namely nitric oxide (NO) and nitrogen dioxide (N2). Mostly NOx is generated from the anthropogenic activities. Currently photo-catalysis is an emerging tool used for the reduction of air pollutants which helps to improve the air quality. In this experimental work Bi2S3 doped into g-C3N4 used as catalyst and the resulting products were characterized such as XRD, FTIR, EDS. Bi2S3@g-C3N4 can harvest the solar light due to narrow band gap which improve electron hole pair and generated hydroxyl and superoxide radicals. Furthermore, Bi2S3@g-C3N4 increased the photo-oxidation efficiency of the transformation from NOx to NO3. In short, this study provides accomplished and effective approach to prepare Bi2S3@g-C3N4 photocatalysts for NOx degradation under solar light.