What does this research mean for the field?

Doping commercial rhodamine dyes into a rigid phosphorus-containing polymer (DOBP) enables direct, long-lived room-temperature phosphorescence by immobilizing the dye molecules and shielding them from oxygen, eliminating the need for complex energy transfer processes. Novelty: ClaimNovelty.NOVEL_FINDING. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To develop a straightforward strategy for producing long-lived room-temperature phosphorescence from commercial rhodamine dyes without relying on complex multi-component energy-transfer systems.

September 14, 2026FlexMat.Open Access

Rigid polymer matrix enables direct red afterglow from rhodamine dyes without energy transfer

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Authors

YYYang YanZhejiang Chinese Medical University YKYongjie KuangInstitute of Plant Protection TPTao PuChongqing University of Science and Technology

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Implication

Experimental study demonstrates direct room-temperature phosphorescence in commercial rhodamine dyes via a rigid polymer, suggesting new pathways for anti-counterfeiting and data encryption.

Key Points

To develop a straightforward strategy for producing long-lived room-temperature phosphorescence from commercial rhodamine dyes without relying on complex multi-component energy-transfer systems.
Synthesized a rigid phosphorus-containing polymer matrix (DOBP) designed to immobilize guest molecules and block oxygen diffusion.
Doped commercial rhodamine dyes, including rhodamine B (RhB), SRB, Rh6G, and Rhodamine 110, directly into the DOBP network to prepare luminescent films.
DOBP-RhB films achieved an ambient orange-red afterglow lifetime of 203.29 ms, approximately 29 times longer than the lifetime of RhB at 77 K.
The rigid polymer matrix enabled tunable afterglow colors ranging from orange-red to orange-yellow by suppressing non-radiative triplet exciton deactivation without complex donor-acceptor matching.

Cite This Study

Yan et al. (2026) studied this question.

synapsesocial.com/papers/6aa7b40e0926e14a848b384e https://doi.org/10.1002/flm2.70139

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Implication

Experimental study demonstrates direct room-temperature phosphorescence in commercial rhodamine dyes via a rigid polymer, suggesting new pathways for anti-counterfeiting and data encryption.

Rigid polymer matrix enables direct red afterglow from rhodamine dyes without energy transfer

Discussion

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Implication

Key Points

Cite This Study

Rigid polymer matrix enables direct red afterglow from rhodamine dyes without energy transfer

Discussion

Member takes

Implication

Key Points

Cite This Study

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