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Cationic and anioni...
Cationic and anionic environments in LiTFSI-doped di-ureasils with application in solid-state electrochromic devices
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- Nunes, S. C. (author)
- Universidade de Tras-os-Montes e Alto Douro,University of Trás-os-Montes and Alto Douro
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- Bermudez, V. D. (author)
- Universidade de Tras-os-Montes e Alto Douro,University of Trás-os-Montes and Alto Douro
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- Ostrovskii, Denis, 1967 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Barbosa, P. C. (author)
- Universidade do Minho,University of Minho
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- Silva, M. M. (author)
- Universidade do Minho,University of Minho
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- Smith, M. J. (author)
- Universidade do Minho,University of Minho
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(creator_code:org_t)
- Elsevier BV, 2008
- 2008
- English.
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In: Chemical Physics. - : Elsevier BV. - 0301-0104. ; 345:1, s. 32-40
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Abstract
Subject headings
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- Fourier Transform mid-infrared and Raman spectroscopies were used to investigate the cation/polymer, cation/urea bridge, cation/anion and hydrogen bonding interactions in poly(oxyethylene) (POE)/siloxane di-ureasil networks prepared by the sol-gel route and doped with lithium bis(trifluoromethanesulfonyl)imide (LiTFSI). Materials with compositions 200 >= n >= 5 (where n expresses the molar ratio OCH2CH2/Li+) were studied. The Li+ ions coordinate to the urea carbonyl oxygen atoms over the whole range of salt concentration considered. Bonding to the ether oxygen atoms of the POE chains occurs at n
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Annan teknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Other Engineering and Technologies (hsv//eng)
Keyword
- POLY(ETHYLENE OXIDE)
- sol-gel
- COMPLEXES
- RAMAN-SPECTRA
- ORMOLYTES
- LIQUID
- FT-Raman spectroscopy
- LITHIUM PERCHLORATE
- INFRARED TEMPERATURE
- OXIDATION
- FT-IR
- POLYMER ELECTROLYTE
- LiTFSI
- PHYSICAL-PROPERTIES
- di-ureasils
Publication and Content Type
- art (subject category)
- ref (subject category)
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