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journal article·2024-11Open access

Photocatalytic Hydrogen Generation in Surfactant‐Free, Aqueous Organic Nanoparticle Dispersions

Jan Bruder, Karen Fischer, Jonas Armleder, Erich Müller, Nicola Da Roit, Silke Behrens, Yuman Peng, Wolfgang Wenzel, Holger Röhm, Alexander Colsmann

Small· Volume 20· Issue 47
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Source abstract

Abstract

Abstract Hydrogen generation in electrostatically stabilized, aqueous organic nanoparticle dispersions is investigated. For this purpose, organic nanoparticle dispersions are synthesized in water by nanoprecipitation from tetrahydrofuran and stabilized by charging through strong molecular electron acceptors. The dispersions are stable for more than 10 weeks on the shelf and during the photocatalytic process, despite the continuous transfer of charges between the reactants. The hydrogen generation in the electrostatically stabilized dispersions outperforms the hydrogen generation in organic nanoparticle dispersions which contain the common stabilizer sodium dodecyl sulfate.
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Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: Covalent Organic Framework Applications · Porphyrin and Phthalocyanine Chemistry · Advanced Photocatalysis Techniques

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Karlsruhe Institute of Technology (KIT) Material Research Center for Energy Systems Strasse am Forum 7 76131 Karlsruhe Germany

Karlsruhe Institute of Technology (KIT) Light Technology Institute Engesserstrasse 13 76131 Karlsruhe Germany

Karlsruhe Institute of Technology (KIT) Institute of Nanotechnology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany

Karlsruhe Institute of Technology (KIT) Laboratory for Electron Microscopy Engesserstrasse 7 76131 Karlsruhe Germany

Karlsruhe Institute of Technology (KIT) Institute of Catalysis Research and Technology Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany

Funding

Helmholtz-Gemeinschaft

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