Journal Pre-proofs A novel approach to achieve the tin (II) oxide based proton conductive sensor for ammonia detection at room temperature Ravindra Kumar Rawat, Pratima Chauhan PII: S0167-577X(20)31756-0 DOI: https://doi.org/10.1016/j.matlet.2020.129049 Reference: MLBLUE 129049 To appear in: Materials Letters Received Date: 16 October 2020 Accepted Date: 14 November 2020 Please cite this article as: R.K. Rawat, P. Chauhan, A novel approach to achieve the tin (II) oxide based proton conductive sensor for ammonia detection at room temperature, Materials Letters (2020), doi: https://doi.org/ 10.1016/j.matlet.2020.129049 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.