Synthesis of a new relay four photosensitized hydrogen production in basic aqueous SiO2 media

J. L. Bourdelande, J. Camps, J. Font, P. De March, E. Brillas

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3 Citations (Scopus)

Abstract

In this paper we describe the synthesis of a new viologen with zwitter-ionic character [(7,8-dihydro-6H-dipyrido[1,2,-a:2,1-c][1,4]diazepinium)-2,12-]di-4,4′-phenethylsulphonate, which belongs to the series of bridged 2,2′-bipyridinium compounds. Its E 1 2 value has been measured using cyclic voltammetry and it has been used in investigations of the sacrificial photo-reduction of water, either in a homogeneous phase or in the presence of colloidal SiO2 as a support. This viologen has proved to be four times more efficient than those previously employed to generate hydrogen at the basic pHs needed for the use of SiO2. © 1985.
Original languageEnglish
Pages (from-to)437-444
JournalJournal of Photochemistry
Volume30
Issue number4
DOIs
Publication statusPublished - 1 Jan 1985

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