Journal Pre-proofs Large area semitransparent inverted organic solar cells with enhanced opera‐ tional stability using TiO 2 electron transport layer for building integrated pho‐ tovoltaic devices Dhirendra K. Chaudhary, Punit K. Dhawan, Shiv P. Patel, H.P. Bhasker PII: S0167-577X(20)31432-4 DOI: https://doi.org/10.1016/j.matlet.2020.128725 Reference: MLBLUE 128725 To appear in: Materials Letters Received Date: 18 August 2020 Accepted Date: 20 September 2020 Please cite this article as: D.K. Chaudhary, P.K. Dhawan, S.P. Patel, H.P. Bhasker, Large area semitransparent inverted organic solar cells with enhanced operational stability using TiO 2 electron transport layer for building integrated photovoltaic devices, Materials Letters (2020), doi: https://doi.org/10.1016/j.matlet.2020.128725 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 Elsevier B.V. All rights reserved.