Ultra-Broadband Dielectric and Optical Kerr-Effect Study of the Ionic Liquids Ethyl and Propylammonium Nitrate.
Ultra-Broadband Dielectric and Optical Kerr-Effect Study of the Ionic Liquids Ethyl and Propylammonium Nitrate.
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离子液体乙基和丙基硝酸铵的超宽带介电和光学克尔效应研究。
DOI:
10.1021/jp502935t
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发表时间:
2015
期刊:
影响因子:
--
通讯作者:
Sonnleitner T
中科院分区:
文献类型:
--
作者:
Sonnleitner T
Dielectric relaxation (DR) and optical Kerr-effect (OKE) spectra of the archetypal protic ionic liquids ethyl- and propylammonium nitrate (EAN and PAN) have been measured over an unusually large frequency range from 200 MHz to 10 THz at temperatures (mostly) between 5 and 65 °C. Analysis of the low-frequency α-relaxation, associated with the cooperative relaxations of the cations (DR) and anions (OKE) and any clusters present, indicated that ion reorientation in EAN is decoupled from viscosity and occurs via cooperative relaxation involving large-angle jumps rather than rotational diffusion. Detailed consideration of the high-frequency parts of the DR and OKE spectra showed that the observed intensities were a complex combination of overlapping and possibly coupled modes. In addition to previously identified intermolecular H-bond vibrations, there are significant contributions from the librations of the cations and anions. The present assignments were shown to be consistent with the isotopic shifts observed for deuterated EAN.
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DOI:
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发表时间:
1993
期刊:
影响因子:
--
作者:
I. Ohmine;Hideki Tanaka
通讯作者:
Hideki Tanaka
DOI:
10.1021/jp710953j
发表时间:
2008
期刊:
The journal of physical chemistry. B
影响因子:
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作者:
Chengshan Wang;M. Mićić;M. Ensor;S. Daunert;R. Leblanc
通讯作者:
R. Leblanc
影响因子:
6
作者:
Sonnleitner T
通讯作者:
Sonnleitner T
DOI:
10.1002/bbpc.19920961015
发表时间:
1992-10-01
期刊:
BERICHTE DER BUNSEN-GESELLSCHAFT-PHYSICAL CHEMISTRY CHEMICAL PHYSICS
影响因子:
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作者:
BARTHEL, J;HETZENAUER, H;BUCHNER, R
通讯作者:
BUCHNER, R
DOI:
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发表时间:
2002
期刊:
影响因子:
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作者:
A. Oleinikova;M. Bonetti
通讯作者:
M. Bonetti