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|Title: ||Fluorescence properties of meso-tetrafurylporphyrins|
|Authors: ||GUPTA, I|
|Keywords: ||excited-state properties|
|Issue Date: ||2005|
|Publisher: ||INDIAN ACADEMY SCIENCES|
|Citation: ||JOURNAL OF CHEMICAL SCIENCES, 117(2), 161-166|
|Abstract: ||Fluorescence properties of meso-tetrafurylporphyrins with N-4, N3S and N2S2 porphyrin cores are studied by both steady-state and time-resolved fluorescence techniques and compared with the corresponding meso-tetraarylporphyrins. The study shows that the replacement of six-membered aryl groups with five-membered furyl groups at meso-positions alter the fluorescence properties considerably, as reflected in the large red shifts and broadening of fluorescence bands with reduction in quantum yields and singlet excited-state lifetimes. However, zinc(II) derivatives of meso-tetrafurylporphyrin and meso-tetraarylporphyrin did not show significant differences in their emission properties.|
|Appears in Collections:||Article|
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