Journal Pre-proofs Tuning ZnO/GO p-n Heterostructure with Carbon Interlayer Supported on Clay for Visible-light Catalysis: Removal of Steroid Estrogens in Water Ajibola A. Bayode, Eny Maria Vieira, Roshila Moodley, Samson Akpotu, Andrea S.S. de Camargo, Despo Fatta-Kassinos, Emmanuel I. Unuabonah PII: S1385-8947(20)33790-6 DOI: https://doi.org/10.1016/j.cej.2020.127668 Reference: CEJ 127668 To appear in: Chemical Engineering Journal Received Date: 7 July 2020 Revised Date: 24 September 2020 Accepted Date: 4 November 2020 Please cite this article as: A.A. Bayode, E. Maria Vieira, R. Moodley, S. Akpotu, A.S.S. de Camargo, D. Fatta- Kassinos, E.I. Unuabonah, Tuning ZnO/GO p-n Heterostructure with Carbon Interlayer Supported on Clay for Visible-light Catalysis: Removal of Steroid Estrogens in Water, Chemical Engineering Journal (2020), doi: https://doi.org/10.1016/j.cej.2020.127668 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. © 2020 Published by Elsevier B.V.