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Rapid Commun."],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Polymer\u2010based pure organic room temperature phosphorescence (RTP) materials have garnered considerable interest, among which RTP systems with prolonged lifetimes and tunable emission colors are promising for applications in sensing, flexible electronics, bioassay, anti\u2010counterfeiting, and data encryption. Herein, facile doping method is reported based on two types of copolymers with benzene\/biphenyl\u2010based light\u2010emitting cores as their side chains, whereby the two copolymers are robustly crosslinked via noncovalent interactions including hydrogen bonding and halogen bonding that occur between the light\u2010emitting cores and polyacrylamide backbones. Persistent RTP emission with prolonged lifetime up to 1.9 s and phosphorescence quantum yield as high as 40.1% are obtained in single copolymers, attributed to the conformation restriction of phosphorescent dyes originating from the rigid microenvironment. Furthermore, multicolor phosphorescence signals are observed in the doped binary luminescent copolymer systems that can be effectively regulated by the feed ratio of luminescent cores and irradiation wavelengths. Possible mechanisms for this efficient and long\u2010lived color\u2010tunable RTP system are discussed on the basis of the experimental data and theoretical calculations. In addition, it is also demonstrated that the color\u2010tunable RTP emission of the doped copolymer systems under ambient conditions allows for further exploitation in the application of dynamic information encryption.<\/jats:p>","DOI":"10.1002\/marc.202100544","type":"journal-article","created":{"date-parts":[[2021,9,15]],"date-time":"2021-09-15T09:12:04Z","timestamp":1631697124000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":12,"title":["Polyacrylamide\u2010Based Binary Luminescent Copolymer Materials Exhibit Color\u2010Tunable and Efficient Long\u2010Lived Room Temperature Phosphorescence"],"prefix":"10.1002","volume":"42","author":[{"given":"Jun","family":"Wang","sequence":"first","affiliation":[{"name":"International Joint Research Laboratory of Nano\u2010Micro Architecture Chemistry College of Chemistry Jilin University  Changchun 130012 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xin\u2010Yue","family":"Lou","sequence":"additional","affiliation":[{"name":"International Joint Research Laboratory of Nano\u2010Micro Architecture Chemistry College of Chemistry Jilin University  Changchun 130012 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun","family":"Tang","sequence":"additional","affiliation":[{"name":"International Joint Research Laboratory of Nano\u2010Micro Architecture Chemistry College of Chemistry Jilin University  Changchun 130012 P. R. China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ying\u2010Wei","family":"Yang","sequence":"additional","affiliation":[{"name":"International Joint Research Laboratory of Nano\u2010Micro Architecture Chemistry College of Chemistry Jilin University  Changchun 130012 P. R. 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