Tan, Ke Xin and Lintang, Hendrik Oktendy and Maniam, Subashani and Langford, Steven J. and Bakar, Mohd. Bakri (2016) Synthesis and photophysical studies of fluorenone-armed porphyrin arrays. Tetrahedron, 72 (35). pp. 5402-5413. ISSN 0040-4020
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Abstract
Dimers and trimers of a fluorenone-appended porphyrin were prepared via Lindsey optimized Sonogashira coupling reaction. The photophysical properties of the oligomers were investigated upon excitation of the fluorenone arms which act as donors. The emission profiles of the covalently linked porphyrins suggest that the diphenylacetylene bonds are vital for efficient intramolecular energy transfer between the porphyrin units. Additionally, higher fluorescence quantum yields were recorded for the oligomers than for the individual units.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | acetylene, fluorenone derivative, oligomer, porphyrin derivative, Article, chemical binding, energy transfer, excitation, fluorescence, priority journal, Sonogashira reaction, synthesis |
| Subjects: | Q Science > QD Chemistry |
| Divisions: | Science |
| ID Code: | 71339 |
| Deposited By: | Siti Nor Hashidah Zakaria |
| Deposited On: | 20 Nov 2017 08:30 |
| Last Modified: | 20 Nov 2017 08:30 |
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