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Laser photolysis studies of spiropyran-merocyanine aggregate formation in solution |
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| Authors: | Yehoshua Kalisky David J. Williams |
| Affiliation: | Webster Research Center. Xerox Corporation. Webster. New York 14580. USA |
| Abstract: | The photoinduced processes leading to formation of J-aggregate stacks of 1-(β-methacryloxyethyl)-3,3-dimethyl-6′- nitrospiro-(indoline-2,2′-[2H-[2H-1] benzopyran) d its associated ring opened merocyanine form B have been determined by N2-laser transient spectroscopy. Detailed mechanisms for formation of complexes AB, A2B, and J-aggregate stacks (A2B) n in aliphatic and aromatic solvents are presented. |
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