Dataset for: "Exceptional surface passivation arising from bis(trifluoromethanesulfonyl)-based solutions" by A.I. Pointon, N.E. Grant, R.S. Bonilla, E.C. Wheeler-Jones, M. Walker, P.R. Wilshaw, C.E.J. Dancer, J.D. Murphy Accepted for publication in ACS Applied Electronic Materials on 13th June 2019. DOI: 10.1021/acsaelm.9b00251 The dataset (a single file in XLSX format) contains the data behind the figures in the paper. Captions to the figures are given in the paper. Abbreviations, variables and methods used are defined in the paper. Please address any queries to john.d.murphy@warwick.ac.uk.