Journal Pre-proof Investigation of the polymer-salt interactions in polymeric light emitting electrochemical cells: Electronic structure calculations and experimental studies Levy A. Galindo, Giovani Gozzi, Lucas Fugikawa-Santos, Roberto M. Faria, Francisco C. Lavarda, Augusto Batagin-Neto PII: S1566-1199(20)30015-X DOI: https://doi.org/10.1016/j.orgel.2020.105629 Reference: ORGELE 105629 To appear in: Organic Electronics Received Date: 11 April 2019 Revised Date: 7 January 2020 Accepted Date: 7 January 2020 Please cite this article as: L.A. Galindo, G. Gozzi, L. Fugikawa-Santos, R.M. Faria, F.C. Lavarda, A. Batagin-Neto, Investigation of the polymer-salt interactions in polymeric light emitting electrochemical cells: Electronic structure calculations and experimental studies, Organic Electronics (2020), doi: https:// doi.org/10.1016/j.orgel.2020.105629. 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.