Ganesan, V. ; Ramaraj, R. (2001) Spectral properties of proflavin in zeolite-L and zeolite-Y Journal of Luminescence, 92 (3). pp. 167-173. ISSN 0022-2313
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Official URL: http://linkinghub.elsevier.com/retrieve/pii/S00222...
Related URL: http://dx.doi.org/10.1016/S0022-2313(00)00259-3
Abstract
The absorption and emission spectral properties of proflavin (3,6-diaminoacridine (PF)) exchanged zeolite-L and zeolite-Y at different loading levels have been investigated. The emission intensity of PF was decreased on increasing the concentration of dye in both the zeolites due to self-quenching. In zeolite-L, PF molecules predominantly exist as monoprotonated species (PFH+) with some diprotonated species (PFH22+) and shows higher emission intensity whereas in zeolite-Y PF molecules mainly exist as monoprotonated species (PFH+). The lifetime measurements of PF in both the zeolites showed biexponential decay with a short- and long-lived species.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Elsevier Science. |
| Keywords: | 3,6-Diaminoacridine; Zeolite-L; Zeolite-Y |
| ID Code: | 39732 |
| Deposited On: | 16 May 2011 04:37 |
| Last Modified: | 16 May 2011 04:37 |
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