Solid-state electrochromic devices based on poly(trimethylene carbonate) and lithium salts

Elvira Maria Correia Fortunato

doi:10.1016/j.tsf.2007.03.154

Solid-state electrochromic devices based on poly(trimethylene carbonate) and lithium salts

Elvira Maria Correia Fortunato

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

14 Citations (Scopus)

Abstract

The application of solid polymer electrolytes as dual-function electrolyte/adhesive components in electrochromic devices and the preliminary characterization of the resulting prototype displays is described in this paper. An asymmetric device configuration, represented schematically as glass/ZnO:Ga2O3/WO3/polymer electrolyte/ZnO:Ga2O3/glass, was chosen. Electrolytes with compositions of n between 3 and 10, where n represents the molar ratio of poly(trimethylene carbonate), p(TMC), ((C = O) OCH2CH2CH2O), units per guest lithium ion, were prepared by solvent casting. The electrochromic switching performance was characterized as a function of salt type and salt concentration. The average transmittance in the visible region of the spectrum was above 63% for all the bleached samples characterized. After coloration the structures assembled with both p(TMC)(n)LiClO4 and p(TMC)(n)LiBF4 presented an average transmittance in the visible wavelength region above 39%.

Original language	Unknown
Title of host publication	THIN SOLID FILMS
Pages	1480-1483
Volume	516
DOIs	https://doi.org/10.1016/j.tsf.2007.03.154
Publication status	Published - 1 Jan 2008
Event	Symposium on Advances in Transparents Electronics held at the European-Materials-Research-Society Meeting - Duration: 1 Jan 2006 → …

Conference

Conference	Symposium on Advances in Transparents Electronics held at the European-Materials-Research-Society Meeting
Period	1/01/06 → …

Access to Document

10.1016/j.tsf.2007.03.154

Cite this

Fortunato, E. M. C. (2008). Solid-state electrochromic devices based on poly(trimethylene carbonate) and lithium salts. In THIN SOLID FILMS (Vol. 516, pp. 1480-1483) https://doi.org/10.1016/j.tsf.2007.03.154

@inproceedings{5843bde364404a87b31e6d2903ffe6b8,

title = "Solid-state electrochromic devices based on poly(trimethylene carbonate) and lithium salts",

abstract = "The application of solid polymer electrolytes as dual-function electrolyte/adhesive components in electrochromic devices and the preliminary characterization of the resulting prototype displays is described in this paper. An asymmetric device configuration, represented schematically as glass/ZnO:Ga2O3/WO3/polymer electrolyte/ZnO:Ga2O3/glass, was chosen. Electrolytes with compositions of n between 3 and 10, where n represents the molar ratio of poly(trimethylene carbonate), p(TMC), ((C = O) OCH2CH2CH2O), units per guest lithium ion, were prepared by solvent casting. The electrochromic switching performance was characterized as a function of salt type and salt concentration. The average transmittance in the visible region of the spectrum was above 63{\%} for all the bleached samples characterized. After coloration the structures assembled with both p(TMC)(n)LiClO4 and p(TMC)(n)LiBF4 presented an average transmittance in the visible wavelength region above 39{\%}.",

keywords = "electrochromic materials, solid polymer electrolyte, sputtering",

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AB - The application of solid polymer electrolytes as dual-function electrolyte/adhesive components in electrochromic devices and the preliminary characterization of the resulting prototype displays is described in this paper. An asymmetric device configuration, represented schematically as glass/ZnO:Ga2O3/WO3/polymer electrolyte/ZnO:Ga2O3/glass, was chosen. Electrolytes with compositions of n between 3 and 10, where n represents the molar ratio of poly(trimethylene carbonate), p(TMC), ((C = O) OCH2CH2CH2O), units per guest lithium ion, were prepared by solvent casting. The electrochromic switching performance was characterized as a function of salt type and salt concentration. The average transmittance in the visible region of the spectrum was above 63% for all the bleached samples characterized. After coloration the structures assembled with both p(TMC)(n)LiClO4 and p(TMC)(n)LiBF4 presented an average transmittance in the visible wavelength region above 39%.

KW - electrochromic materials

KW - solid polymer electrolyte

KW - sputtering

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