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Carbon nanotubes diverse applications have been discussed in the present study. Carbon nanotubes are a promising material in all façades of life, be it environment, electrical, electronics, biomedical energy, food technology applications, etc. Carbon nanotubes open new avenues to improve the environment, control pollution, and used in various fields. Increase in the population, urbanization and industrialization create several types of pollution. Carbon nanotubes solve various problems including environmental issues, pollution, bio-medicals, etc. It becomes an inevitable material for the present and future. In this review article, carbon nanotube applications to solve water purification, water disinfection, electrical and electronic applications, biomedical energy, or in-air purification have been discussed. A plethora of carbon nanotube applications in various fields have been discussed in articles covering the fields of water purification, biomedical applications in electrical/electronic applications, agricultural yields, etc. Eleven different case studies have been discussed in the paper and testimony of the use of CNTs in various fields was given by the patent trend.
Jain et al. (Sun,) studied this question.