Please share your knowledge in detail, tell the nature of surface charge of nanoparticle and dye molecules. what factor we should keep in mind for better degradation. what i think about it is, nanoparticles are non-polar molecules, while dye are polar molecules, so interaction is not possible so capping has been done. please also tell the capping agent should be hydrophillic or hydrophobic?
Vaishali Gupta
If you are going to solve the problem of creating a technology for the degradation of dyes in wastewater, then you must have a good catalyst. TiO2 is usually used. It is produced by the sol/gel method and does not require a closure agent. The dye must be well adsorbed on the surface of the catalyst. This means that the catalyst must have a charge on the surface that is opposite to that of the dye. This can be controlled by changing the pH. Check out a similar article.
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