Syntheses and absorption spectra of intermolecular charge-transfer complex dyes
โ Scribed by Masaru Matsuoka; Takashi Yodoshi; Liyuan Han; Teijiro Kitao
- Publisher
- Elsevier Science
- Year
- 1988
- Tongue
- English
- Weight
- 534 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0143-7208
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๐ SIMILAR VOLUMES
Excited-state absorption spectra are reported for the luminescent metal-ligand charge-transfer states of copper(l) complexes wth the hgands 2,9-dimethyl-and 2.9-dlphenyl-l,lO-phenanthroline. Excited-state lifetimes derived from transient absorbance decay, ground-state recovery or lummescence decay
The reaction of a ratio of 1 mole of 5-chloro-3-methyl-1-phenyl pyrazolo-4[2(4)]-dimethine cyanine (1a,b) or (5-chloro-4-formyl-3-methyl-1-phenylpyrazole) 2 with 2 moles of an appropriate 2(4)-heterocyclic quaternary salt afforded the novel pentamethine cyanine dyes (3a-3e). Other reactions of 2 wit