Making photocatalysts screenable – a milliscale multi-batch screening photoreactor as extension for the modular photoreactor

文献情報

出版日 2023-09-04

DOI 10.1039/D3RE00398A

インパクトファクター 4.239

著者

Daniel Kowalczyk, Gergely Knorr, Kalina Peneva, Dirk Ziegenbalg

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要旨

Development and evaluation of new photocatalytic systems requires screening of large parameter spaces. For such investigations, a photonically characterized, simple, and low-cost multi-batch screening photoreactor is presented that enables the screening of up to 49 sealed 4 mL milli batch reactors. The reactor concept is based on theoretical contemplation of the geometrical and optical properties of suited reflector concepts and utilizes basic components of the modular photoreactor introduced recently. Raytracing, radiometry and chemical actinometry were used for the photonic characterization. Applicability of the screening setup under catalytic conditions was evaluated using a benchmark system for photoinduced hydrogen evolution consisting of [Ru(bpy)3](PF6)2 as the photosensitizer, ascorbic acid as a sacrificial agent and Mo3S132− as the catalyst. Extending screening to metal-free organic photosensitizers, bimane compounds are reported as photosensitizers for photoinduced hydrogen evolution in various catalytic systems.

掲載誌

Reaction Chemistry & Engineering

CiteScore: 0

自己引用率: 8.8%

年間論文数: 284

Reaction Chemistry & Engineering is an interdisciplinary journal reporting cutting-edge research focused on enhancing the understanding and efficiency of reactions. Reaction engineering leverages the interface where fundamental molecular chemistry meets chemical engineering and technology. Challenges in chemistry can be overcome by the application of new technologies, while engineers may find improved solutions for process development from the latest developments in reaction chemistry. Reaction Chemistry & Engineering is a unique forum for researchers whose interests span the broad areas of chemical engineering and chemical sciences to come together in solving problems of importance to wider society. All papers should be written to be approachable by readers across the engineering and chemical sciences. Papers that consider multiple scales, from the laboratory up to and including plant scale, are particularly encouraged.

Making photocatalysts screenable – a milliscale multi-batch screening photoreactor as extension for the modular photoreactor

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