ArticleBeilstein journal of organic chemistry2024
Optimizing reaction conditions for the light-driven hydrogen evolution in a loop photoreactor.
Article in Beilstein journal of organic chemistry, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Hydrogen From Simulated Seawater Using Long-Term Stable and Cost-Effective Plasmonic Photocatalysts.ChemSusChem · 2026Article
- Influence of Reactor Configuration and Operating Conditions on Nanostructured Semiconductor Photocatalysts for Hydrogen Evolution: A Systematic Technical Review.Nanomaterials (Basel, Switzerland) · 2026Review
- Mild Synthesis of Ag-Decorated TiOACS materials Au · 2026Article
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Authors and funding
7 authors.
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Abstract
Photocatalytic hydrogen production from water is a promising way to fulfill energy demands and attain carbon emission reduction goals effectively. In this study, a loop photoreactor with a total volume of around 500 mL is presented for the photocatalytic hydrogen evolution using a Pt-loaded polymeric carbon nitride photocatalyst under 365 nm irradiation in the presence of sacrificial reducing agents. The fluid flow pattern of the developed photoreactor was characterized experimentally and the photon flux incident to the loop photoreactor was measured by chemical actinometry. The system displayed exceptional stability, with operation sustained over 70 hours. A design of experiment (DOE) analysis was used to systematically investigate the influence of key parameters - photon flux, photocatalyst loading, stirring speed, and inert gas flow rate - on the hydrogen generation rate. Linear relationships were found between hydrogen evolution rate and photon flux as well as inert gas flow rate. Photocatalyst loading and stirring speed also showed linear correlations, but could not be correctly described by DOE analysis. Instead, linear single parameter correlations could be applied. Notably, the loop photoreactor demonstrated an external photon efficiency up to 17 times higher than reported in literature studies, while scaling the reactor size by a factor of 10.
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