{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Ren Y"],"funding":["Natural Science Foundation of Beijing Municipality (Beijing Natural Science Foundation)","National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["11120"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12705653"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["16(1)"],"pubmed_abstract":["Near-infrared room-temperature phosphorescent (NIR-RTP) materials feature the advantages of large Stokes shift, long emission lifetime, and high penetration ability, and have been broadly applied in bio-medical imaging, fiber optic telecommunication, and night vision-readable display. Developing organic NIR-RTP materials heavily relies on the long-conjugated chemical structures. The large conjugation could result in aggregation caused quenching, complex synthesis, poor processability, and high biological toxicity. Herein, by solution blending poly(iminofuran-spiro-pyrrolone) (PISP) with polystyrene (PS), we construct a nonconventional NIR-RTP polymer alloy without significantly extensive conjugation. The PISP was synthesized via a catalyst-free multicomponent polymerization in air with high molecular weights (up to 41000 g/mol) and decent yields (up to 84%). Although lacking classical luminescent segments and largely extended conjugation, PISPs exhibit the clusterization-triggered cryogenic phosphorescence. More importantly, upon solution blending PISP with PS, the resultant polymer alloy shows a NIR-RTP emission up to 715 nm with a Stokes shift of 375 nm. This work will be of interest for developing luminescent materials for the optoelectronic devices, in vivo imaging, and flexible electronics."],"journal":["Nature communications"],"pubmed_title":["Nonconventional near-infrared room-temperature phosphorescent materials based on spiropolymer alloy."],"pmcid":["PMC12705653"],"funding_grant_id":["2232022","2242060","52403006","52473290","22222501","22401017"],"pubmed_authors":["Zhi J","Dong Y","Ren Y","Dai W","Su H","Zhao Y","Yan W","Tong B","Sun P","Zhang Y","Zhu L","Wang T","Cai Z","Shi J"],"additional_accession":[]},"is_claimable":false,"name":"Nonconventional near-infrared room-temperature phosphorescent materials based on spiropolymer alloy.","description":"Near-infrared room-temperature phosphorescent (NIR-RTP) materials feature the advantages of large Stokes shift, long emission lifetime, and high penetration ability, and have been broadly applied in bio-medical imaging, fiber optic telecommunication, and night vision-readable display. Developing organic NIR-RTP materials heavily relies on the long-conjugated chemical structures. The large conjugation could result in aggregation caused quenching, complex synthesis, poor processability, and high biological toxicity. Herein, by solution blending poly(iminofuran-spiro-pyrrolone) (PISP) with polystyrene (PS), we construct a nonconventional NIR-RTP polymer alloy without significantly extensive conjugation. The PISP was synthesized via a catalyst-free multicomponent polymerization in air with high molecular weights (up to 41000 g/mol) and decent yields (up to 84%). Although lacking classical luminescent segments and largely extended conjugation, PISPs exhibit the clusterization-triggered cryogenic phosphorescence. More importantly, upon solution blending PISP with PS, the resultant polymer alloy shows a NIR-RTP emission up to 715 nm with a Stokes shift of 375 nm. This work will be of interest for developing luminescent materials for the optoelectronic devices, in vivo imaging, and flexible electronics.","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Nov","modification":"2026-06-07T05:06:03.542Z","creation":"2026-06-07T03:07:02.416Z"},"accession":"S-EPMC12705653","cross_references":{"pubmed":["41298422"],"doi":["10.1038/s41467-025-66035-w"]}}