Matches in SemOpenAlex for { <https://semopenalex.org/work/W13069101> ?p ?o ?g. }
- W13069101 abstract "OF THE DISSERTATION A New Determination of Molecular Mobility in Amorphous Materials. By RASHMI SATYANARAYAN TIWARI Dissertation Director: Dr. Richard D. Ludescher This research investigated how the steady-state and time-resolved emission and intensity of phosphorescence from vanillin (4-hydroxy-3-methoxy benzaldehyde), a commonly used flavor compound, can be used to probe molecular mobility when dispersed within amorphous pure sucrose films. The luminescence properties and photophysical events of vanillin as a triplet state probe in amorphous sucrose films as a function of temperature was successfully characterized. The peak energy, bandwidth and lifetime data suggest that it is sensitive to molecular mobility and can be used monitor molecular mobility in amorphous sucrose films. Time-resolved phosphorescence intensity decays from vanillin were multiexponential both below and above the glass transition temperature, indicating that the pure (single component) amorphous matrix was dynamically heterogeneous on the molecular level. Vanillin analogs (hydroxy, dihydroxy and ethyl vanillin)) phosphorescence lifetime were found to be extremely sensitive to the local environment in the amorphous sucrose in the glassy state and at the glass-to-rubber transition into the melt, and provided useful insight about the mechanism of vanillin sensitivity to molecular mobility. Based on this the capability of movement of methoxyl group about the C-O bond is thought to be the contributor to sensitivity of vanillin to matrix molecular mobility. The other possibility is" @default.
- W13069101 created "2016-06-24" @default.
- W13069101 creator A5051532609 @default.
- W13069101 date "2008-01-01" @default.
- W13069101 modified "2023-09-23" @default.
- W13069101 title "A new determination of molecular mobility in amorphous materials" @default.
- W13069101 cites W1494596349 @default.
- W13069101 cites W1600942466 @default.
- W13069101 cites W1709580310 @default.
- W13069101 cites W177408800 @default.
- W13069101 cites W1858860560 @default.
- W13069101 cites W1878219971 @default.
- W13069101 cites W1909329750 @default.
- W13069101 cites W1956458596 @default.
- W13069101 cites W1963791150 @default.
- W13069101 cites W1968066962 @default.
- W13069101 cites W1968894699 @default.
- W13069101 cites W1973204201 @default.
- W13069101 cites W1975328862 @default.
- W13069101 cites W1977777199 @default.
- W13069101 cites W1981128852 @default.
- W13069101 cites W1989492434 @default.
- W13069101 cites W1992356389 @default.
- W13069101 cites W1997294622 @default.
- W13069101 cites W1998361394 @default.
- W13069101 cites W1999805005 @default.
- W13069101 cites W2003228716 @default.
- W13069101 cites W2004620137 @default.
- W13069101 cites W2005490781 @default.
- W13069101 cites W2009511063 @default.
- W13069101 cites W2011352873 @default.
- W13069101 cites W2011515716 @default.
- W13069101 cites W2011997684 @default.
- W13069101 cites W2012865191 @default.
- W13069101 cites W2013499814 @default.
- W13069101 cites W2014213512 @default.
- W13069101 cites W2020659436 @default.
- W13069101 cites W2024118271 @default.
- W13069101 cites W2025744667 @default.
- W13069101 cites W2026910259 @default.
- W13069101 cites W2032077907 @default.
- W13069101 cites W2032548284 @default.
- W13069101 cites W2033189980 @default.
- W13069101 cites W2033834044 @default.
- W13069101 cites W2034149592 @default.
- W13069101 cites W2035300348 @default.
- W13069101 cites W2035428256 @default.
- W13069101 cites W2035847645 @default.
- W13069101 cites W2037352792 @default.
- W13069101 cites W2039437404 @default.
- W13069101 cites W2041506075 @default.
- W13069101 cites W2041996357 @default.
- W13069101 cites W2045394347 @default.
- W13069101 cites W2048421180 @default.
- W13069101 cites W2048500988 @default.
- W13069101 cites W2052833913 @default.
- W13069101 cites W2054930510 @default.
- W13069101 cites W2057327929 @default.
- W13069101 cites W2060650957 @default.
- W13069101 cites W2062300003 @default.
- W13069101 cites W2063127564 @default.
- W13069101 cites W2063746717 @default.
- W13069101 cites W2067392529 @default.
- W13069101 cites W2067721839 @default.
- W13069101 cites W2067796243 @default.
- W13069101 cites W2068672169 @default.
- W13069101 cites W2070156046 @default.
- W13069101 cites W2071250757 @default.
- W13069101 cites W2074945726 @default.
- W13069101 cites W2075179133 @default.
- W13069101 cites W2080101394 @default.
- W13069101 cites W2091433610 @default.
- W13069101 cites W2091570098 @default.
- W13069101 cites W2093674335 @default.
- W13069101 cites W2094115042 @default.
- W13069101 cites W2095916642 @default.
- W13069101 cites W2097172537 @default.
- W13069101 cites W2110791966 @default.
- W13069101 cites W2129995310 @default.
- W13069101 cites W2155886309 @default.
- W13069101 cites W2158036413 @default.
- W13069101 cites W2161960608 @default.
- W13069101 cites W2164202115 @default.
- W13069101 cites W2165234277 @default.
- W13069101 cites W2215418647 @default.
- W13069101 cites W2313298951 @default.
- W13069101 cites W2404373636 @default.
- W13069101 cites W3208350611 @default.
- W13069101 cites W573225959 @default.
- W13069101 cites W643017027 @default.
- W13069101 doi "https://doi.org/10.7282/t3wm1dn7" @default.
- W13069101 hasPublicationYear "2008" @default.
- W13069101 type Work @default.
- W13069101 sameAs 13069101 @default.
- W13069101 citedByCount "0" @default.
- W13069101 crossrefType "journal-article" @default.
- W13069101 hasAuthorship W13069101A5051532609 @default.
- W13069101 hasConcept C113196181 @default.
- W13069101 hasConcept C120665830 @default.
- W13069101 hasConcept C121332964 @default.