L773:1097 4555 OR L773:0377 0486
Sökning: L773:1097 4555 OR L773:0377 0486 > Reorientation dynam...
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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 02886naa a2200373 4500 | |
| 001 | oai:DiVA.org:kth-72976 | |
| 003 | SwePub | |
| 008 | 120201s2012 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-729762 URI |
| 024 | 7 | a https://doi.org/10.1002/jrs.29972 DOI |
| 040 | a (SwePub)kth | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Lin, Keu University of Science and Technology of China4 aut |
| 245 | 1 0 | a Reorientation dynamics in liquid alcohols from Raman spectroscopy |
| 264 | c 2011-05-30 | |
| 264 | 1 | b Wiley,c 2012 |
| 338 | a print2 rdacarrier | |
| 500 | a QC 20120228 | |
| 520 | a Polarized Raman spectroscopy has been employed to study the reorientational, or more specifically the translational relaxation dynamics, of alcohol molecules in pure liquids and aqueous solutions. It is found from the spectral width measurements that alcohol molecules in pure liquids have typically translational relaxation times on the order of picoseconds, following the order methanol < ethanol < i-propanol < n-propanol. Temperature-dependent measurements show that hydrogen-bonding (HB) and hydrophobic interactions control the translational motion. The hydrophobic interaction reduces the relaxation time more apparently in view of the –CH3 group than the skeleton motion. For alcohol–water mixtures, the increaseofwater concentration generally slows down the relaxation process in a non-monotonic behavior. However, the trend stops at a certain point and the motion of alcohol molecules becomes faster when the alcohol concentration further drops. Different mechanisms have been proposed to interpret these observations, which might be helpful to gain deeper insight into the HB networks of alcohols with water. Our study strongly illustrates that Raman spectroscopy can be applied to the study of fast translational motion of molecules in HB systems. | |
| 650 | 7 | a NATURVETENSKAPx Kemix Fysikalisk kemi0 (SwePub)104022 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Chemical Sciencesx Physical Chemistry0 (SwePub)104022 hsv//eng |
| 653 | a SRA - E-vetenskap (SeRC) | |
| 653 | a SRA - E-Science (SeRC) | |
| 700 | 1 | a Hu, Naiyinu University of Science and Technology of China4 aut |
| 700 | 1 | a Zhou, Xiaoguou University of Science and Technology of China4 aut |
| 700 | 1 | a Liu, Shilinu University of Science and Technology of China4 aut |
| 700 | 1 | a Luo, Yi,d 1965-u KTH,Teoretisk kemi och biologi4 aut0 (Swepub:kth)u126eitw |
| 710 | 2 | a University of Science and Technology of Chinab Teoretisk kemi och biologi4 org |
| 773 | 0 | t Journal of Raman Spectroscopyd : Wileyg 43, s. 82-88q 43<82-88x 0377-0486x 1097-4555 |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-72976 |
| 856 | 4 8 | u https://doi.org/10.1002/jrs.2997 |
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