Journal Pre-proof Luminescence and nonlinear optical properties of Er 3+ - doped ZnWO 4 nanostructures K. Mani Rahulan, Angeline Little Flower, N. Padmanathan, Anmol Mahendra, Vijay Shekhawat, G. Vinitha, R. Annie Sujatha, M.A. Shivkumar PII: S1010-6030(19)31239-0 DOI: https://doi.org/10.1016/j.jphotochem.2019.112128 Reference: JPC 112128 To appear in: Journal of Photochemistry & Photobiology, A: Chemistry Received Date: 21 July 2019 Revised Date: 7 September 2019 Accepted Date: 30 September 2019 Please cite this article as: Mani Rahulan K, Flower AL, Padmanathan N, Mahendra A, Shekhawat V, Vinitha G, Annie Sujatha R, Shivkumar MA, Luminescence and nonlinear optical properties of Er 3+ - doped ZnWO 4 nanostructures, Journal of Photochemistry and amp; Photobiology, A: Chemistry (2019), doi: https://doi.org/10.1016/j.jphotochem.2019.112128 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.