Microcrystals of an organic fluorescent dye grown in the presence of various PAMAM dendrimers: Control of the morphology and optical properties

Autor: Franck Bertorelle, Fatima Al-Ali, Suzanne Fery-Forgues
Jazyk: angličtina
Rok vydání: 2004
Předmět:
Zdroj: International Journal of Photoenergy, Vol 6, Iss 4, Pp 221-225 (2004)
Druh dokumentu: article
ISSN: 1110-662X
1110662X
DOI: 10.1155/S1110662X04000285
Popis: Microcrystals of a fluorescent dye, 4-n-octylamino-7-nitrobenzoxadiazole, were prepared by the reprecipitation method. Poly(amidoamine)dendrimers bearing anionic, cationic or neutral terminating groups were used as additives in the recrystallization medium. They directed the formation of thin plates or spindlelike microcrystals. The UV/vis absorption and emission properties were investigated on the microcrystal suspensions.
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