Photocatalytic Nitrogen Reduction : Challenging Materials with Reaction Engineering

Titelangaben

Ziegenbalg, Dirk ; Zander, Judith ; Marschall, Roland:
Photocatalytic Nitrogen Reduction : Challenging Materials with Reaction Engineering.
In: ChemPhotoChem. Bd. 5 (2021) Heft 9 . - S. 792-807.
ISSN 2367-0932
DOI: https://doi.org/10.1002/cptc.202100084

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Abstract

Ammonia is not only the most important chemical for fertilizer production, it has also gained much interest as a future hydrogen storage material. Besides the well-known Haber–Bosch process to generate ammonia from elemental sources, new ways to convert nitrogen into ammonia have been investigated in the last decade for a decentralized production, including electrocatalytic and photocatalytic approaches. However, photocatalysis in particular suffers from stagnating materials development and unstandardized reaction conditions. In this Review, we shine light on recent materials and reaction engineering results for photocatalytic nitrogen reduction, putting an emphasis on the need to connect the activity of reported materials together with detailed reaction conditions and efficiencies. Photocatalytic nitrogen reduction is an emerging field that will certainly gain significant interest in the future as a sustainable pathway to generate green hydrogen and ammonia. The field will certainly strongly benefit from joint efforts with strong interactions between chemists, physicists and chemical engineers at a fundamental level.