@article{4560391f7dec42b28d484b1d4759b410,
title = "Experimental and computational studies of sonochemical assisted anchoring of carbon quantum dots on reduced graphene oxide sheets towards the photocatalytic activity",
abstract = "Herein, carbon quantum dots (CQDs) are anchored on reduced graphene oxide (rGO) sheets by sonochemical assisted method. The developed carbon quantum dots/reduced graphene oxide (CQDs/rGO) catalyst shows enhancement in the photocatalytic degradation of methylene blue and methyl orange under visible light compared to that of individual CQDs and rGO components. The improved performance of the CQDs/rGO catalyst has been attributed to efficient separation of photogenerated charge carriers as studied by photoluminescence studies and to increase in the surface area as studied by Brunauer-Emmett-Teller method. The photocatalytic degradation is studied in detail by varying catalyst loading, dye concentration and the rate constant is determined by first order kinetics. The enhancement in photocatalytic activity of CQDs/rGO catalyst is validated by first principles density functional theory (DFT) calculations which shows the enrichment in density of states thereby decreasing the work function.",
author = "Ashritha, {M. G.} and Rondiya, {Sachin R.} and Cross, {Russell W.} and Dzade, {Nelson Y.} and Dhole, {S. D.} and K. Hareesh and Sunitha, {D. V.}",
note = "Funding Information: Authors acknowledges Prof. S.M. Shivaprasad from JNCASR, Bengaluru for providing TEM and XPS facilities. One of the authors, KH acknowledges SERB-ECR, Govt. of India (File No. ECR/2017/002788) for supporting the work. S.R.R, R.W.C, and N.Y.D acknowledge the UK Engineering and Physical Sciences Research Council (EPSRC) for funding (Grant No. EP/S001395/1 ). This work has also used the computational facilities of the Advanced Research Computing at Cardiff (ARCCA) Division, Cardiff University, and HPC Wales. This work also made use of the facilities of ARCHER ( http://www.archer.ac.uk ), the UK{\textquoteright}s national supercomputing service via the membership of the UK's HEC Materials Chemistry Consortium, which is funded by EPSRC ( EP/L000202 ). Information on the data that underpins the results presented here, including how to access them, can be found in the Cardiff University data catalogue at http://doi.org/10.17035/d.2021.0126100872 . Funding Information: Authors acknowledges Prof. S.M. Shivaprasad from JNCASR, Bengaluru for providing TEM and XPS facilities. One of the authors, KH acknowledges SERB-ECR, Govt. of India (File No. ECR/2017/002788) for supporting the work. S.R.R, R.W.C, and N.Y.D acknowledge the UK Engineering and Physical Sciences Research Council (EPSRC) for funding (Grant No. EP/S001395/1). This work has also used the computational facilities of the Advanced Research Computing at Cardiff (ARCCA) Division, Cardiff University, and HPC Wales. This work also made use of the facilities of ARCHER (http://www.archer.ac.uk), the UK's national supercomputing service via the membership of the UK's HEC Materials Chemistry Consortium, which is funded by EPSRC (EP/L000202). Information on the data that underpins the results presented here, including how to access them, can be found in the Cardiff University data catalogue at http://doi.org/10.17035/d.2021.0126100872. Publisher Copyright: {\textcopyright} 2021 The Authors",
year = "2021",
month = apr,
day = "15",
doi = "10.1016/j.apsusc.2021.148962",
language = "English",
volume = "545",
journal = "Applied Surface Science",
issn = "0169-4332",
publisher = "Elsevier",
}