期刊
ACS APPLIED POLYMER MATERIALS
卷 2, 期 2, 页码 699-705出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsapm.9b01027
关键词
room-temperature phosphorescence; boron; dative bond; self-healing; polymer
资金
- National Natural Science Foundation of China [51873110, 51673120]
Dative bonds are crucial for room-temperature phosphorescence (RTP) of metal complexes, which are nevertheless of high cost and toxicity. Here, we develop a class of amorphous RTP polymers based on nonmetal dative bonds through copolymerizing vinylphenylboronic acid and acrylamide derivatives. Nonmetal dative bonds, formed between boron and nitrogen/oxygen atoms, can populate triplet excitons through charge transfer and immobilize phosphors to suppress nonradiative relaxation, leading to effective RTP lifetime in air. Moreover, the dynamic nature of the dative bonds enables self-healing and anticounterfeiting abilities of the RTP polymers. The concept of designing nonmetal dative bonds can widely expand the horizon and application of RTP polymers.
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