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With the rapid progress of modern industry and agriculture, a large number of toxic and harmful pollutants have been released into the environment in recent years, which seriously threatens the survival and development of human beings and the ecological balance. Currently, degradation by photocatalytic reactions is considered to be the one of the primary methods for removing organic pollutants from environment. Because photocatalysis is a more thorough approach to environmental remediation, since it could completely mineralize organic pollutants into non-toxic inorganics CO2 and H2O under mild conditions without secondary pollution. The key to the utilization of photocatalytic technology is the development of photocatalytic materials, although a number of photocatalysts were used for degradation of organic pollutants, such as TiO2, ZnO, CdS and g-C3N4, these photocatalysts often suffer from the rapid recombination of photogenerated electron-hole pairs, resulting in low photocatalytic efficiency and poor practical applications. Notably, as a type of new functional materials, MOFs and COFs with well-ordered porous structures and numerous active sites have been proven to be ideal photocatalysts for the degradation of organic pollutants.
MOFs can be used in the photocatalytic degradation of organic pollutants in both air and water. The details are as follow:
There are two ways for COFs used in photocatalytic degradation of organic pollutants. One is that the singlet oxygen was produced by photocatalyst and the reactive oxygen 1O2 were used to kill pathogenic bacteria in the environment, another is that photoexcited COFs catalyst is used to generate electrons and holes, which can reduce O2 into ·O2- and oxidize OH- into ·OH-, and then the ·O2- and ·OH- are used to degrade pollutants. For the former method, the bacteria like grape mold and bacillus coli can be killed, for the latter one, the organic dye and heavy metal ion can be degraded.
Alfa Chemistry provides various MOFs and COFs with high-activity for use in photocatalytic degradation of organic pollutants. And our professional technology team also provides customers with specialized, high-quality MOFs and COFs design and customization services, no matter what design ideas you have, we will implement them together with you. In addition, Alfa Chemistry is committed to supporting customers a series of solutions in photocatalytic degradation of organic pollutants by using MOFs and COFs. Please contact us immediately to order or cooperate in research and development with high quality and reasonable price.