Accepted Manuscript Title: TiO2:WO3 composite humidity sensors doped with ZnO and CuO investigated by Impedance Spectroscopy Author: Pedro M. Faia Emanuel L. Jesus Cristina S. Louro PII: S0925-4005(14)00806-5 DOI: http://dx.doi.org/doi:10.1016/j.snb.2014.06.117 Reference: SNB 17131 To appear in: Sensors and Actuators B Received date: 17-3-2014 Revised date: 26-6-2014 Accepted date: 27-6-2014 Please cite this article as: P.M. Faia, E.L. Jesus, C.S. Louro, TiO2:WO3 composite humidity sensors doped with ZnO and CuO investigated by Impedance Spectroscopy, Sensors and Actuators B: Chemical (2014), http://dx.doi.org/10.1016/j.snb.2014.06.117 This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. 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.