Chemicals used as sacrificial electron donor

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General considerations[edit | edit source]

Sacrificial electron donors (SDs) are an important component of artificial systems that mimic photochemical conversions of CO2 and others. In most of the currently known systems a few sacrificial electron donors are used, those and their properties will be described in brief in the following sections. The information summarized on this page is gained from different articles published in the literature, e.g. the review on Sacrificial Electron Donor Reagents for solar fuel production [Sed16].

The most often occurring artificial photosystems are the so-called three-component-systems (TCS). SDs play a major role in particular in reductive TCS which consist of (1) a photosensitizer, (2) the SD, and (3) the catalyst. A TCS usually works as follows:


Summarized properties of known sacrificial electron donors[edit | edit source]

Structures of known sacrificial electron donors[edit | edit source]

TEOA TEA BIH EDTA BNAH N,N-dimethylaniline N,N-Dimethyl-p-toluidine


For further literature referring to BNAH see [Ecb87]

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Literature

[Sed16] Sacrificial electron donor reagents for solar fuel production. Yann Pellegrin, Fabrice Odobel, Comptes Rendus. Chimie 2016, Vol. 20, Pages 283-295. DOI2: 10.1016/j.crci.2015.11.026
[Ecb87] Energetic comparison between photoinduced electron-transfer reactions from NADH model compounds to organic and inorganic oxidants and hydride-transfer reactions from NADH model compounds to p-benzoquinone derivatives. Shunichi Fukuzumi, Shintaro Koumitsu, Katsuhiko Hironaka, Toshio Tanaka, Journal of the American Chemical Society 1987, Vol. 109, Pages 305-316. DOI2: 10.1021/ja00236a003