Quenching of intramolecular exciplexes by pyridine and methylpyridines suggesting triple exciplex (D'DA)* formation

Itoh, Michiya; Takita, Nobuo; Matsumoto, Momoe

doi:10.1021/ja00518a038

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Cited by 11 publications

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“…With increase in solvent polarity, there is a small shift in the position of the maxima to higher wave- length (k max in THF = 466 nm, in EtOH = 469 nm and in ACN = 471 nm) and the linear relationship found (Fig. 3B, inset) between m ex and the solvent polarity parameter is consistent with the Weller equation [26][27][28] for the exciplex formation:…”

Section: Resultssupporting

confidence: 78%

Time resolved studies of dual emission and photoinduced energy transfer in a Tris methoxy coumarin derivative of a cryptand and its complex with Tb(NO3)3

2006

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Section: Resultssupporting

confidence: 78%

Time resolved studies of dual emission and photoinduced energy transfer in a Tris methoxy coumarin derivative of a cryptand and its complex with Tb(NO3)3

2006

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ChemInform Abstract: QUENCHING OF INTRAMOLECULAR EXCIPLEXES BY PYRIDINE AND METHYLPYRIDINES SUGGESTING TRIPLE EXCIPLEX (D′DA)* FORMATION

Itoh¹,

Takita²,

Matsumoto³

1980

Chemischer Informationsdienst

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Short‐chain model studies on emission properties of poly(9‐vinylphenanthrene‐co‐p‐N,N‐dimethylaminostyrene): Exciplex quenching and subsequent formation of another fluorescent exciplex

Iwai

Takemura

Furue

et al. 1985

J. Polym. Sci. Polym. Chem. Ed.

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SynopsisThe emission properties of l-(4dimethylaminophenyl)-3-(9-phenanthryl)propane, Ph(CHJ3 DMA, and 1,3di49-phenanthryl)propane, Ph(CH2)3Ph, were studied in comparison with those of poly(9-vinylphenanthreneco-p"-dimethylaminostyrene).Ph(CHJ,DMA showed an intense intramolecular exciplex fluorescence in dioxane. Ph(CH2)3Ph did not exhibit a clear intramolecular excimer fluorescence. The quenching of the intramolecular exciplex by several electron acceptors was studied. As a result moderate electron acceptors, such as cyanobenzene, methyl benzoate, and acrylonitrile, selectively quenched the intramolecular exciplex, and in the case of cyanobenzene the subsequent formation of another fluorescent exciplex was observed. The results were discussed in terms of the reduction potentials of electron accepting quenchers.

show abstract

Quenching of intramolecular exciplexes by pyridine and methylpyridines suggesting triple exciplex (D'DA)* formation

Cited by 11 publications

References 4 publications

Time resolved studies of dual emission and photoinduced energy transfer in a Tris methoxy coumarin derivative of a cryptand and its complex with Tb(NO3)3

Time resolved studies of dual emission and photoinduced energy transfer in a Tris methoxy coumarin derivative of a cryptand and its complex with Tb(NO3)3

ChemInform Abstract: QUENCHING OF INTRAMOLECULAR EXCIPLEXES BY PYRIDINE AND METHYLPYRIDINES SUGGESTING TRIPLE EXCIPLEX (D′DA)* FORMATION

Short‐chain model studies on emission properties of poly(9‐vinylphenanthrene‐co‐p‐N,N‐dimethylaminostyrene): Exciplex quenching and subsequent formation of another fluorescent exciplex

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