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Sustainable long‐lived room temperature phosphorescence (RTP) materials with color‐tunable afterglows are attractive but rarely reported. Here, cellulose is reconstructed by directed redox to afford ample active hydroxyl groups and water‐solubility; arylboronic acids with various π conjugations can be facilely anchored to reconstructed cellulose via click chemistry within 1 min in pure water, resulting...
The large‐scale preparation of sustainable room‐temperature phosphorescence (RTP) materials, particularly those with stimulus‐response properties, is attractive but remains challenging. This study develops a facile heterogeneous B─O covalent bonding strategy to anchor arylboronic acid chromophores to cellulose chains using pure water as a solvent, resulting in multicolor RTP cellulose. The rigid environment...
Biomass pretreatment is one of major bottlenecks to convert biomass to bioethanol at present. We found that cereal straw could be completely dissolved in a 10-fold volume excess of trifluoroacetic acid (≥99%) (TFA). Pretreatment with TFA completely disrupted the dense cellulose crystallinity of the biomass. Further research showed that the TFA dissolved, but did not degrade, the cellulose in the straw...
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