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| TITLE | Tailoring aggregation-induced emission in luminescent solar concentrators through controlled polymerization |
|---|---|
| AUTHOR | Elisavet Tatsi, Gaia Roberta Ragno, Andrea Nitti, Chiara Botta, Stefano Turri, Dario Pasini & Gianmarco Griffini |
| YEAR | 2025 |
| JOURNAL | Communications Chemistry |
| ABSTRACT | Luminescent solar concentrators (LSCs) hold great potential as versatile energy conversion systems for diverse applications. Here, we explore the covalent incorporation of aggregation-induced emission (AIE) luminogens into polymeric backbones for LSCs. Copolymers based on methyl-methacrylate and an AIE-active monomer (tetraphenyl ethylene methacrylate - TPEMA) are synthesized using free radical (FR) and reversible addition-fragmentation chain transfer (RAFT) polymerizations. By integrating TPEMA into the polymer structure, we exploit its unique emission properties when the AIEgens are in close proximity. RAFT polymerization affords copolymers with narrower molecular weight distribution, improved thermal stability, higher glass transition temperature, and optical properties that scale positively with TPEMA content, outperforming FR analogues. RAFT-based LSC devices exhibit more consistent performance, underscoring the importance of controlled polymerization on AIEgen response and device behavior. This study demonstrates an effective strategy to enhance LSC response through synthetic control of the macromolecular network and strategic incorporation of AIEgens into luminescent polymer matrices. |
| FULL ARTICLE | https://www.nature.com/articles/s42004-025-01700-1 |
| INSTRUMENT | FP-6600 |
| KEYWORDS | Materials for optics, Polymerization mechanisms |
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