Journal Pre-proof Exploring theoretical and experimental optimization towards high-performance triboelectric nanogenerators using microarchitecture silk cocoon films Bhaskar Dudem, R.D. Ishara G. Dharmasena, Sontyana Adonijah Graham, Jung Woo Leem, Harishkumarreddy Patnam, Anki Reddy Mule, S. Ravi P. Silva, Jae Su Yu PII: S2211-2855(20)30439-0 DOI: https://doi.org/10.1016/j.nanoen.2020.104882 Reference: NANOEN 104882 To appear in: Nano Energy Received Date: 18 February 2020 Revised Date: 8 April 2020 Accepted Date: 22 April 2020 Please cite this article as: B. Dudem, R.D.I.G. Dharmasena, S.A. Graham, J.W. Leem, H. Patnam, A.R. Mule, S.R.P. Silva, J.S. Yu, Exploring theoretical and experimental optimization towards high- performance triboelectric nanogenerators using microarchitecture silk cocoon films, Nano Energy (2020), doi: https://doi.org/10.1016/j.nanoen.2020.104882. 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.