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- Title
Radical‐Mediated Photocatalysis for Lignocellulosic Biomass Conversion into Value‐Added Chemicals and Hydrogen: Facts, Opportunities and Challenges.
- Authors
Aboagye, Dominic; Djellabi, Ridha; Medina, Francesc; Contreras, Sandra
- Abstract
Photocatalytic biomass conversion into high‐value chemicals and fuels is considered one of the hottest ongoing research and industrial topics toward sustainable development. In short, this process can cleave Cβ−O/Cα−Cβ bonds in lignin to aromatic platform chemicals, and further conversion of the polysaccharides to other platform chemicals and H2. From the chemistry point of view, the optimization of the unique cooperative interplay of radical oxidation species (which are activated via molecular oxygen species, ROSs) and substrate‐derived radical intermediates by appropriate control of their type and/or yield is key to the selective production of desired products. Technically, several challenges have been raised that face successful real‐world applications. This review aims to discuss the recently reported mechanistic pathways toward selective biomass conversion through the optimization of ROSs behavior and materials/system design. On top of that, through a SWOT analysis, we critically discussed this technology from both chemistry and technological viewpoints to help the scientists and engineers bridge the gap between lab‐scale and large‐scale production.
- Subjects
BIOMASS conversion; LIGNOCELLULOSE; PHOTOCATALYSIS; HYDROGEN; RADICALS (Chemistry); LIGNINS
- Publication
Angewandte Chemie, 2023, Vol 135, Issue 36, p1
- ISSN
0044-8249
- Publication type
Academic Journal
- DOI
10.1002/ange.202301909