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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 03731naa a2200445 4500 | |
| 001 | oai:DiVA.org:umu-224159 | |
| 003 | SwePub | |
| 008 | 240510s1998 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-2241592 URI |
| 024 | 7 | a https://doi.org/10.1063/1.4768442 DOI |
| 040 | a (SwePub)umu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Ferry, Andersu Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)anfe0001 |
| 245 | 1 0 | a Spectroscopic studies of luminescent and ionically conducting Eu[N(CF3SO2)2]3-PPG4000 complexes |
| 264 | 1 | b American Institute of Physics (AIP),c 1998 |
| 338 | a print2 rdacarrier | |
| 520 | a Alternating current impedance, Fourier transform Raman/infrared (IR), and luminescence excitation (continuous and time-resolved) measurements have been conducted on solutions of poly(propylene glycol) (MW 4000) complexed with Eu[N(CF3SO2)2]3 salt, EuTFSI3, along with differential scanning calorimetry (DSC) studies. From observed frequency shifts of characteristic internal anionic vibrational modes (Raman and IR), we conclude that the salt is solvated by the polymer host. The TFSI anions, however, interact extensively with Eu3+ cations at all concentrations investigated. Ion-polymer interactions are manifested as changes in characteristic vibrational modes of the polymer. Continuous and time-resolved site-selective luminescence data give, respectively, evidence for two different types of chemical environments for solvated Eu3+ cations. In particular, the strongly forbidden non-degenerate 5D0 - 7F0 transition exhibits a structured two-component profile in the spectra. DSC data show that the glass transition temperature, Tg, is only marginally affected by the introduction of a relatively high concentration of salt into the host matrix, whereas the resulting polymer-salt complex is of rubbery character, distinctly different from the pure host polymer, which is a viscous liquid at room temperature. The present findings are interpreted in terms of a phase-segregated microstructure. This conjecture is supported by previous studies on PPG4000-based electrolytes indicating microscopic phase anomalies. | |
| 650 | 7 | a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng |
| 653 | a low-salt concentrations | |
| 653 | a polymer electrolytes | |
| 653 | a physical-properties | |
| 653 | a ion association | |
| 653 | a poly(propylene oxide) | |
| 653 | a microphase separation | |
| 653 | a photon-correlation | |
| 653 | a raman-scattering | |
| 653 | a molecular-weight | |
| 653 | a decay times | |
| 700 | 1 | a Furlani, Mauriziou Department of Physics, Chalmers University of Technology and Göteborg University, S 412 96 Göteborg, Sweden4 aut |
| 700 | 1 | a Franke, Axelu Umeå universitet,Institutionen för fysik4 aut |
| 700 | 1 | a Jacobsson, Peru Umeå universitet,Institutionen för fysik,Department of Physics, Chalmers University of Technology and Göteborg University, S 412 96 Göteborg, Sweden4 aut |
| 700 | 1 | a Mellander, Bengt-Eriku Department of Physics, Chalmers University of Technology and Göteborg University, S 412 96 Göteborg, Sweden4 aut |
| 710 | 2 | a Umeå universitetb Institutionen för fysik4 org |
| 773 | 0 | t Journal of Chemical Physicsd : American Institute of Physics (AIP)g 109:7, s. 2921-2928q 109:7<2921-2928x 0021-9606x 1089-7690 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-224159 |
| 856 | 4 8 | u https://doi.org/10.1063/1.476844 |
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