Journal Pre-proofs Enhanced photocatalytic degradation of antibiotics in water over functionalized N,S-doped carbon quantum dots embedded ZnO nanoflowers under sunlight irradiation Yanning Qu, Xiaojian Xu, Renliang Huang, Wei Qi, Rongxin Su, Zhimin He PII: S1385-8947(19)32426-X DOI: https://doi.org/10.1016/j.cej.2019.123016 Reference: CEJ 123016 To appear in: Chemical Engineering Journal Received Date: 8 July 2019 Revised Date: 26 September 2019 Accepted Date: 29 September 2019 Please cite this article as: Y. Qu, X. Xu, R. Huang, W. Qi, R. Su, Z. He, Enhanced photocatalytic degradation of antibiotics in water over functionalized N,S-doped carbon quantum dots embedded ZnO nanoflowers under sunlight irradiation, Chemical Engineering Journal (2019), doi: https://doi.org/10.1016/j.cej.2019.123016 This is a PDF file of an article that has undergone enhancements after acceptance, such as the addition of a cover page and metadata, and formatting for readability, but it is not yet the definitive version of record. This version will undergo additional copyediting, typesetting and review before it is published in its final form, but we are providing this version to give early visibility of the article. Please note that, during the production process, errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain. © 2019 Published by Elsevier B.V.