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Review
. 2020 Sep 7;13(17):4199-4213.
doi: 10.1002/cssc.202000601. Epub 2020 May 26.

Photocatalytic Conversion of Lignin into Chemicals and Fuels

Zhiyu Xiang  1 , Wanying Han  1 , Jin Deng  2 , Wanbin Zhu  1 , Ying Zhang  2 , Hongliang Wang  1
Affiliations
Review

Photocatalytic Conversion of Lignin into Chemicals and Fuels

Zhiyu Xiang et al. ChemSusChem. .

Abstract

Lignin, an underutilized component of lignocellulosic biomass, is regarded as a rich reservoir for the production of aromatic chemicals and fuels. Despite extensive research in recent years, lignin's potential is far from being fully unlocked. Photocatalysis that uses sustainable solar energy to drive lignin conversion under mild conditions has been identified as a promising strategy and received growing research interest. This review aims to present a critical introduction to the photocatalytic conversion of lignin, including a summary of lignin conversion pathways and mechanisms, as well as the latest cutting-edge innovations on photocatalyst design and reactor construction. Moreover, the screening of solvents and regulation of other key factors that are involved in photocatalytic lignin conversion are also elucidated and future perspectives and challenges for photocatalytic conversion of lignin into valuable products are discussed.

Keywords: aromatics; biomass conversion; green chemistry; lignin; photocatalysis.

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