Dependence on the Parameters of the Equivalent Electrical Circuit Model with the Thickness of Viologen Based Electrochromic Mixture on Glass Substrate Devices - Sanchez Pena, Jose Manuel; Vergaz Benito, Ricardo; Barrios Puerto, David; Torres Zafra, Juan Carlos; Viñuales, Ana; Salsamendi, M (Materials Research Society: MRS 2011 Spring Meeting, 2011)