Journal Pre-proof Improved electromagnetic shielding behaviour of graphene encapsulated polypyrrole- graphene nanocomposite in X-band Nisha Gill, Vinay Gupta, Monika Tomar, Amit L. Sharma, O.P. Pandey, Dwijendra P. Singh PII: S0266-3538(19)33313-5 DOI: https://doi.org/10.1016/j.compscitech.2020.108113 Reference: CSTE 108113 To appear in: Composites Science and Technology Received Date: 26 November 2019 Revised Date: 4 March 2020 Accepted Date: 5 March 2020 Please cite this article as: Gill N, Gupta V, Tomar M, Sharma AL, Pandey OP, Singh DP, Improved electromagnetic shielding behaviour of graphene encapsulated polypyrrole-graphene nanocomposite in X-band, Composites Science and Technology (2020), doi: https://doi.org/10.1016/ j.compscitech.2020.108113. 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 Ltd.