2024
DOI: 10.21203/rs.3.rs-4990462/v1
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Stress-assisted clustering-triggered emission of cellulose- based materials

Oleg Dimitriev,
Huotian Zhang,
Anna Dávid
et al.

Abstract: Cellulose-based materials can be classified as non-conventional luminogens that produce photoluminescence (PL) in the visible range due to specific intermolecular arrangements. Usually such an arrangement is referred to as clusterization. Here, we demonstrate the importance of intramolecular arrangement of ethyl cellulose and bacterial cellulose that demonstrate tunable photoluminescence with multiexponent decay. We show that the observed emission is due to a n-π* electronic transition of carbonyl groups, whos… Show more

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