I recommend you to meet with Volkenstein's classical works about semiconductors in catalysis.
A specialist in the field of heterogeneous catalysis is unemployed and is looking for a job. Who can offer a job.
ZnS is the suitable for the photocatalytic activity because the band gap level is large.
Dear Palak Jain
ZnS is a wide band gap semiconductor. Hence, it is only activated under UV irradiation. Now a days, there are a lot of efforts to use the solar energy in photocatalytic processes. Therefore, ZnS should be modified for application under visible light. On the other hand, ZnS is corroded under light irradiation. As a result, there are many photocatalysts with many advantages relative to ZnS. For using under the solar energy g-C3N4-based photocatalysts are promising materials.
From the literatures, it is found that ZnS is having remarkable properties among all the metal sulfides. ZnS is one of the first semiconductor discovered and comes in II–VI group compound.ZnS is one of the most widely investigated photocatalysts because it rapidly generates electron-hole pairs under photoexcitation, and exhibits a relatively high photocatalytic activity under UV light. ZnS has a hexagonal structure and forms nanosheets ,nanoparticles and nanorods with large specific surface area. ZnS does not respond to visible light due to its large band gap (3.6 eV). However, it's large band gap limits it's practical applications.
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