Not that innocent – ammonium ions boost homogeneous light-driven hydrogen evolution

in: Chemical Communications (2022)
Heiland, Magdalena; De, Ratnadip; Rau, Sven; Dietzek-Ivanšić, Benjamin; Streb, Carsten
We report that the homogeneous light-driven hydrogen evolution reaction (HER) can be significantly enhanced by the presence of seemingly innocent ammonium (NH4 +) cations. Experimental studies with different catalysts, photosensitizers and electron donors show this to be a general effect. Preliminary photophysical and mechanistic studies provide initial suggestions regarding the role of ammonium in the HER enhancement.

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