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|Title:||Solvation dynamics and red-edge effect of two electrically charged solutes in an imidazolium ionic liquid|
|Authors:||Khara, Dinesh Chandra|
|Abstract:||Steady state and time-resolved fluorescence behavior of two electrically charged solutes, viz., negatively charged 1-anilinonaphthalene-8-sulfonate (ANS) and positively charged ethidium bromide (EB), have been studied in an imidazolium ionic liquid. It is found that EB shows a much less pronounced excitation wavelength dependent fluorescence behavior (red-edge effect) as compared to ANS. The solvation dynamics of these probes in [bmim][BF4] is found to be similar to those observed with neutral dipolar probes. A higher solvation time of EB as compared to ANS is possibly a reflection of hydrogen bonding interaction of the former system with the anionic component of the ionic liquid.|
|Appears in Collections:||IJC-A Vol.49A(05-06) [May-June 2010]|
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|IJCA 49A(05-06) 714-720.pdf||896.27 kB||Adobe PDF||View/Open|
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