The DOI matches its Crossref record; 37 of the 37 references it cites were found in a registry or an index.
Efficient Room‐Temperature Phosphorescence of a Solid‐State Supramolecule Enhanced by Cucurbit[6]uril
Abstract
Efficient emission of purely organic room‐temperature phosphorescence (RTP) is of great significant for potential application in optoelectronics and photobiology. Herein, we report an uncommon phosphorescent effect of organic single molecule enhanced by resulting supramolecular assembly of host–guest complexation. The chromophore bromophenyl‐methyl‐pyridinium (PY) with different counterions as guests display various phosphorescence quantum yields from 0.4 % to 24.1 %. Single crystal X‐ray diffraction results indicate that the chromophore with iodide counterion (PYI) exhibits the highest efficiency maybe due to the halogen‐bond interactions. Significantly, the nanosupramolecular assembly of PY chloride complexation with the cucurbit[6]uril gives a greatly enhanced phosphorescent quantum yield up to 81.2 % in ambient. Such great enhancement is because of the strict encapsulation of cucurbit[6]uril, which prevents the nonradiative relaxation and promotes intersystem crossing (ISC). This supramolecular assembly concept with counterions effect provides a novel approach for the improvement of RTP.
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Cites
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Efficient blue organic light-emitting diodes employing thermally activated delayed fluorescence
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Cucurbituril Homologues and Derivatives: New Opportunities in Supramolecular Chemistry
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Activating efficient phosphorescence from purely organic materials by crystal design
Bolton, O., Lee, K., Kim, H.-J., Lin, K. Y., & Kim, J. (2011) · Nature Chemistry · doi:10.1038/nchem.984 · Cited by 1,662
Cucurbituril Homologues and Derivatives: New Opportunities in Supramolecular Chemistry
김기문 (2018) · Open Access System for Information Sharing (Pohang University of Science and Technology) · Cited by 1,417
Phosphorescent heavy-metal complexes for bioimaging
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A dual-emissive-materials design concept enables tumour hypoxia imaging
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Cited by
Room-temperature phosphorescence from organic aggregates
Zhao, W., He, Z., & Tang, B. Z. (2020) · Nature Reviews Materials · doi:10.1038/s41578-020-0223-z · Cited by 1,766
He, M., Ding, C., Guo, H., & Li, Q. (2024) · Responsive Materials · doi:10.1002/rpm.20240014 · Cited by 71
Deng, Y., Li, P., Sun, S., Jiang, H., Ji, X., & Li, H. (2020) · Chemistry - An Asian Journal · doi:10.1002/asia.201901747 · Cited by 13
Metadata
- Authors
- Zhang, Z., Chen, Y., & Liu, Y.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2019-03-26
- Volume
- 58
- Issue
- 18
- Pages
- 6028-6032
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W2922043336
- Cited by
- 348
- References
- 37
- FWCI
- 15.54
- Type
- journal article
- Language
- en
- Open access
- closed
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