1999
DOI: 10.1080/10641229909350293
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Nonlinear Stern-Volmer Fluorescence Quenching of Pyrene by C60/70

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Cited by 10 publications
(11 citation statements)
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“…To the best of our knowledge, this is the first report of the fluorescence quenching of a water-soluble C 60 derivative, since previous quenching studies focused on the triplet excited state. [1][2][3][4][5][6][7]11 We now center on the elucidation of the quenching mechanism. In the case of bromobenzene and cyclohexyl iodide in ethanol and toluene, the quenching mechanism is likely to be the external heavyatom effect, as has been observed for C 70 and derivatives in halogenated solvents.…”
Section: Mechanism Of Fluorescence Quenchingmentioning
confidence: 99%
See 1 more Smart Citation
“…To the best of our knowledge, this is the first report of the fluorescence quenching of a water-soluble C 60 derivative, since previous quenching studies focused on the triplet excited state. [1][2][3][4][5][6][7]11 We now center on the elucidation of the quenching mechanism. In the case of bromobenzene and cyclohexyl iodide in ethanol and toluene, the quenching mechanism is likely to be the external heavyatom effect, as has been observed for C 70 and derivatives in halogenated solvents.…”
Section: Mechanism Of Fluorescence Quenchingmentioning
confidence: 99%
“…Intermolecular quenching of the triplet excited state of fullerenes by charge and electron [1][2][3][4] and energy [5][6][7] transfer has been extensively investigated in recent years. Quenching of the singlet excited state has received less attention, [8][9][10] in part owing to the very low fluorescence quantum yield of fullerenes.…”
Section: Introductionmentioning
confidence: 99%
“…The calculated binding constant ( K sv = 2.45 × 10 5 m −1 ) is similar to the general porphyrin‐based molecular tweezers . If the SV plot shows a linear plot in the case of static quenching, it is considered as 1:1 binding stoichiometric ratio and its SV constant signifies an association constant ( K a ) . The evidence of static quenching comes from the fluorescent decay profiles of PD and C 60 D·PD 1:1 complex (Figure S10, Supporting Information).…”
Section: Resultsmentioning
confidence: 64%
“…[68] If the SV plot shows a linear plot in the case of static quenching, it is considered as 1:1 binding stoichiometric ratio and its SV constant signifies an association constant (K a ). [69] The evidence of static quenching comes from the fluorescent decay profiles of PD and C 60 D·PD 1:1 complex ( Figure S10, Supporting Information). The FL lifetime (48.9 (τ 3 , 19%)) of free PD in PD solution still remains about 2.2% in C 60 D·PD (1:1 molar ratio) solution and the most C 60 D·PD complexes show a very short lifetime (0.08 (τ 4 , 91.3%)).…”
Section: Observation Of Host-guest Complexation With Fluorescence Spementioning
confidence: 99%
“…Fullerene C 60 derivatives possess a large variety of applications that are ranging from chemosensors [80,81,82,83] to biological probes [84,85,86] and photocatalyst [87,88,89,90]. A large number fullerene based dyads have been published, however, there are only a few reports about pyrene-fullerene C 60 derivatives [91,92,93,94].…”
Section: Dendritic Molecules Bearing Peripheral Pyrene Groups As Dmentioning
confidence: 99%