Red-light excited efficient metal-free near-infrared room-temperature phosphorescent films

A set of red-light-excited, metal-free room-temperature phosphorescence (RTP) systems was constructed with brominated phenolsulfonephthaleine derivatives. The best metal-free RTP system has the reddest near-infrared (NIR) RTP emission (λ(p) = 819 nm) with the highest phosphorescence quantum yield (Φ...

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Detalles Bibliográficos
Autores principales: Sun, Siyu, Ma, Liangwei, Wang, Jie, Ma, Xiang, Tian, He
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Oxford University Press 2021
Materias:
Research Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8866102/
https://www.ncbi.nlm.nih.gov/pubmed/35223047
http://dx.doi.org/10.1093/nsr/nwab085
Descripción
Sumario:A set of red-light-excited, metal-free room-temperature phosphorescence (RTP) systems was constructed with brominated phenolsulfonephthaleine derivatives. The best metal-free RTP system has the reddest near-infrared (NIR) RTP emission (λ(p) = 819 nm) with the highest phosphorescence quantum yield (Φ(RTP) = 3.0%) so far identified. The RTP emission can be switched ON-OFF by adding acid and alkali alternately. A logic operation with half-subtractor function and dual-channel response (visible light emission/NIR RTP emission) was also constructed based on these properties.

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