Back to Search
Start Over
Selective (sono)photocatalytic cleavage of lignin-inspired β–O–4 linkages to phenolics by ultrasound derived 1-D titania nanomaterials
- Source :
- Ultrasonics Sonochemistry, Vol 104, Iss , Pp 106829- (2024)
- Publication Year :
- 2024
- Publisher :
- Elsevier, 2024.
-
Abstract
- Catalytic conversion of lignin to value-added aromatic compounds is still an open challenge, since the selective cleavage of the linkages interconnecting the aromatic molecules, especially the β-O-4 ones, is not efficiently achieved yet. Herein, novel titania-based nanostructured materials were synthesized using low-power-low-frequency ultrasound that demonstrated high efficiency for the selective cleavage of Cα-Cβ bond of β-O-4 linkages of lignin-inspired model compounds. Going a step ahead, experiments of sonophotocatalytic valorization of 2-phenoxy-1-phenylethanol were contacted for the first time, where the exposure to ultrasound leading to better conversion and selectivity towards the desired products in the case of the novel ultrasound-synthesized nano-photocatalyst. Mechanistic insights showcased that photogenerated holes are the main active species in the catalytic process. In general, this research work provides a green, effective, and cost-effective approach for the selective and efficient catalytic lignin valorization.
Details
- Language :
- English
- ISSN :
- 13504177
- Volume :
- 104
- Issue :
- 106829-
- Database :
- Directory of Open Access Journals
- Journal :
- Ultrasonics Sonochemistry
- Publication Type :
- Academic Journal
- Accession number :
- edsdoj.0a302ecc59c40959c72f377a4b3934d
- Document Type :
- article
- Full Text :
- https://doi.org/10.1016/j.ultsonch.2024.106829