A Novel Effect of a Polyelectrolyte on a Photochemically Induced Electron Transfer Process Involving a Zwitterion | Zendy

Sassoon Richard E. | Zendy; Rabani Joseph | Zendy

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A Novel Effect of a Polyelectrolyte on a Photochemically Induced Electron Transfer Process Involving a Zwitterion

Author(s) -

Sassoon Richard E.,

Rabani Joseph

Publication year - 1982

Publication title -

israel journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.908

H-Index - 54

eISSN - 1869-5868

pISSN - 0021-2148

DOI - 10.1002/ijch.198200026

Subject(s) - chemistry , photosensitizer , electron transfer , photochemistry , ruthenium , zwitterion , polyelectrolyte , tris , quenching (fluorescence) , chromophore , quantum yield , fluorescence , polymer , organic chemistry , catalysis , molecule , biochemistry , physics , quantum mechanics

A photoelectron transfer system containing the photosensitizer tris (2,2′‐bipyridyne) ruthenium II chloride, and the quencher N, Nî, di(4‐sulfonato toluyl) 4,4′‐bipyridine is described. Following a laser pulse the exited state of the photosensitizer is quenched by BSV giving a net yield of electron transfer of about 0.1. Addition of the polyelectrolyte polyvinyl sulfate (PVS) markedly enhances the rate of quenching. The decay of the electron transfer products Ru(bpy) 3+ 3 and BSV + is considerably retarded in the same system upon addition of PVS.

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