Photoreduction of 4-Nitrophenol to 4-Aminophenol Using CdS Nanorods
Nasir et al.
the 4-AP, in 200 nm to 800 nm region, indicated selectivity
of the process.34
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5. CONCLUSION
In summary, CdS-NR, a decomposition product of cad-
mium(II) dithiocarbamate, have been used as a photocat-
alyst for the reduction of 4-NP to 4-AP, a reaction of
environmental and pharmaceutical significance. The adap-
tation of nanorod morphology can be attributed to the
different in situ generated capping ligand, as evident by
FT-IR analysis. The declination in PL and time decay
curve have confirmed the suppression of electron–hole
recombination in NR than bulk, thus signified the better
photocatalytic potential of the former one. Moreover, the
prepared CdS-NR is stable enough to be used in multi-
ple cycle without a significant decrease in the efficiency.
Therefore, it has been concluded that high efficiency and
stability of the photocatalyst might be due to the rod-like
morphology. In near future, we are planning to further
improve the photocatalytic potential of CdS-NR through
co-catalyst deposition.
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Disclosure Statement
We have no potential conflict of interest.
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Acknowledgments: We acknowledge the financial sup-
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Received: 2 February 2018. Accepted: 22 April 2018.
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