๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Formation of intramolecular exciplexes in electrogenerated chemiluminescence

โœ Scribed by Kingo Itaya; Shinobu Toshima

Publisher
Elsevier Science
Year
1977
Tongue
English
Weight
526 KB
Volume
51
Category
Article
ISSN
0009-2614

No coin nor oath required. For personal study only.

โœฆ Synopsis

Electrogenerated chemiluminescence of (9-anthracene)-(CHn),-(N,Ndimethylaniline) (n = 0, 1,2) is discussed. In the electrogenerated chemiluminescence spectra, only intramolecular exciplex fluorescence was observed and the local excited fluorescence bands, which were obtained by means of photoexcitation, could not be detected. The efficiency of n = 0 was very large (1.1%) compared with that of the ordinary electron transfer luminescence between the radical anions of aromatic hydrocarbons and the radical cations of aromatic amines (Ar/Dtsystems). The intramolecular exciplexes seem to be directly formed by electron transfer reactions.

๐Ÿ“œ SIMILAR VOLUMES

Electrogenerated chemiluminescence. XV.
Electrogenerated chemiluminescence. XV. On the formation of excimers and exciplexes in ECL
โœ Csaba P. Keszthelyi; A.J. Bard ๐Ÿ“‚ Article ๐Ÿ“… 1974 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 445 KB

The emission resulting from the reaction of electrogenerated radical anions (A> and cations (Dt> (ECL) for four systems which provide evidence for the intermediacy of excimers or exciplexes is described. The effect of solvent and supporting electrolyte concentration and the energetics of the radical

Intramolecular exciplex formation in nap
Intramolecular exciplex formation in naphthylalkylamines
โœ E.A. Chandross; H.T. Thomas ๐Ÿ“‚ Article ๐Ÿ“… 1971 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 328 KB

The geometrical requirements of naphtbalene-aliphatic amine exciplexes have been iuvestigatod in a study of the intramolecular interactions of various naphthylalkylamines. The nitrogen atom of the amine probably occupies a position on the periphery of naphthalene. near C-l. The naphthyl-methylamines

Fluorescence quenching of intramolecular
Fluorescence quenching of intramolecular exciplex by pyridine and formation of triple exciplex
โœ Michiya Itoh; Nobuo Takita ๐Ÿ“‚ Article ๐Ÿ“… 1979 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 292 KB

Intramolecuhr e\ciple\ fluorescence of (9,1Odicyanoanthryl)-(CH2)3-(I-or Zmphthyl) was quenched by pyridine and/or rpicoline. Two-component demy of the euiple\ (DA)\* fluorescence demonstrates the formation of a ncn type of triple excipleh (D'Dx)\*\_ l-Introduction