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

18 January 2022, Version 1
Working Paper
This content is an early or alternative research output and has not been peer-reviewed by Cambridge University Press at the time of posting.

Abstract

We report that the homogeneous light-driven hydrogen evolution reaction (HER) can be significantly enhanced by the presence of seemingly innocent ammonium (NH4+) cations. Expermiental 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.

Keywords

Hydrogen evolution
thiomolybdate
photosensitizer
cobaloxime

Supplementary materials

Title
Description
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Title
Photochemical Reaction Conditions
Description
Details on the photochemical reaction conditions used.
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Supporting Information
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Supporting Information for the main manuscript
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Now Published

Not that innocent – ammonium ions boost homogeneous light-driven hydrogen evolution [opens in a new tab]
Magdalena Heiland, Ratnadip De, Sven Rau, Benjamin Dietzek-Ivansic, Carsten Streb journal article
Chemical Communications , Volume 58, Issue 29
Online publication date: 2022

Version History

Jan 18, 2022 Version 1

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The content is available under CC BY 4.0 [opens in a new tab]

DOI

10.26434/chemrxiv-2022-l31zf
D O I: 10.26434/chemrxiv-2022-l31zf [opens in a new tab]

Funding

Deutsche Forschungsgemeinschaft
364549901

Author’s competing interest statement

The author(s) have declared they have no conflict of interest with regard to this content

Ethics

The author(s) have declared ethics committee/IRB approval is not relevant to this content

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