Fluorescence Quenching of Rhodamine Through Single-Electron Transfer from Trivalent Phosphorus Compounds

Autor:	Shinro Yasui, Atsuyoshi Ohno, Munekazu Tsujimoto, Kenji Itoh
Rok vydání:	1999
Předmět:	Quenching (fluorescence) Aqueous solution Organic Chemistry Inorganic chemistry Photochemistry Biochemistry Fluorescence Inorganic Chemistry Rhodamine Solvent Rhodamine 6G chemistry.chemical_compound chemistry Radical ion Acetonitrile
Zdroj:	Phosphorus, Sulfur, and Silicon and the Related Elements. 144:497-500
ISSN:	1563-5325 1042-6507
DOI:	10.1080/10426509908546290
Popis:	Fluorescence from rhodamine 6G in the photoexcited state (Rh+ *) was quenched by single-electron transfer (SET) from various types of trivalent phosphorus compounds Z3P in aqueous acetonitrile. Dependence of the quenching rate on the oxidation potential of Z3P suggests that the SET from Z3P to Rh+ * is followed by a rapid reaction of the resulting radical cation Z3PL+ with water in the solvent.
Databáze:	OpenAIRE
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