Abstract
Effective photocatalytic degradation of organic toxic dyes from industrial effluents using low-cost nanomaterials as a photocatalyst under sunlight promises for water purification and environmental recovery. The present work is focused on the synthesis of Palladium (Pd) loaded g-C3N4/WO3 nanocomposite using a facile method and its photocatalytic degradation of Rhodamine B (RhB) using under sunlight. The results of the photocatalytic dye degradation experiment show that Pd loaded g-C3N4/WO3 nanocomposite photocatalyst degrades 98% of RhB in 40 min of sunlight illumination. This remarkable photocatalytic degradation performance of Pd loaded g-C3N4/WO3 nanocomposite mainly attributed due to their intrinsic photocatalytic activity and co-existence of enhanced light absorbance and efficient charge transfer process in between the g-C3N4/WO3 heterojunction. The durability testing experiments indicate that Pd loaded g-C3N4/WO3 nanocomposite photocatalyst could be effectively reused and possesses high photochemical structural stability even after several recycle process. Present experimental results demonstrated highly encouraging photo-degradation response of Pd loaded g-C3N4/WO3 nanocomposite photocatalyst at outdoor conditions paves the way for the development of energy conversion and environmental remediation process.
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Acknowledgement
The authors acknowledge the academic support of the Academy of Scientific and Innovative Research, New Delhi, India. The author A. D. Sheikh would like to thank the Department of Science and Technology (DST) for INSPIRE Faculty Award No. DST/INSPIRE/04/2015/002601. The authors are thankful to Ramakrishna Gholap, Rupali Waichal, Shriniwas Deo and Janardan Kundu for TEM, XRD, XPS and UV–Vis DRS analyses.
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Alman, V., Singh, K., Bhat, T. et al. Sunlight Assisted improved photocatalytic degradation of rhodamine B using Pd-loaded g-C3N4/WO3 nanocomposite. Appl. Phys. A 126, 724 (2020). https://doi.org/10.1007/s00339-020-03914-7
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DOI: https://doi.org/10.1007/s00339-020-03914-7