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The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens

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Yang, Jie, Zhen, Xu, Wang, Bin, Gao, Xuming, Ren, Zichun, Wang, Jiaqiang, Xie, Yujun, Li, Jianrong, Peng, Qian, Pu, Kanyi, Li, Zhen·2018·Nature Communications
DOI 10.1038/s41467-018-03236-6
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Abstract

Organic luminogens with persistent room temperature phosphorescence (RTP) have attracted great attention for their wide applications in optoelectronic devices and bioimaging. However, these materials are still very scarce, partially due to the unclear mechanism and lack of designing guidelines. Herein we develop seven 10-phenyl-10H-phenothiazine-5,5-dioxide-based derivatives, reveal their different RTP properties and underlying mechanism, and exploit their potential imaging applications. Coupled with the preliminary theoretical calculations, it is found that strong π–π interactions in solid state can promote the persistent RTP. Particularly, CS-CF 3 shows the unique photo-induced phosphorescence in response to the changes in molecular packing, further confirming the key influence of the molecular packing on the RTP property. Furthermore, CS-F with its long RTP lifetime could be utilized for real-time excitation-free phosphorescent imaging in living mice. Thus, our study paves the way for the development of persistent RTP materials, in both the practical applications and the inherent mechanism.

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Metadata

Authors
Yang, J., Zhen, X., Wang, B., Gao, X., Ren, Z., Wang, J., Xie, Y., Li, J., Peng, Q., Pu, K., & Li, Z.
Venue
Nature Communications
Publisher
Springer Science and Business Media LLC
Published
2018-02-26
Volume
9
Issue
1
Pages
840-840
ISSN
2041-1723 (ISSN-L)
DOI
10.1038/s41467-018-03236-6
OpenAlex
W2792839694
Cited by
1,060
References
3
FWCI
42.74
Type
journal article
Language
en
Open access
gold
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CoChat. (2026). Citation check: The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens. https://app.cochat.ai/papers/10.1038/s41467-018-03236-6
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Yang, J., Zhen, X., Wang, B., Gao, X., Ren, Z., Wang, J., Xie, Y., Li, J., Peng, Q., Pu, K., & Li, Z. (2018). The influence of the molecular packing on the room temperature phosphorescence of purely organic luminogens. Nature Communications. https://doi.org/10.1038/s41467-018-03236-6

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