Pillar[5]arene-Containing Metallacycles and Host-Guest Interaction Caused Aggregation-Induced Emission Enhancement Platforms
- 7 October 2020
- journal article
- research article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 142 (40), 16930-16934
- https://doi.org/10.1021/jacs.0c08697
Abstract
Coordination-driven Pt metallacycles have shown potential in controllable modular self-assembly, which has made a vital contribution to biomedicine, catalysis, and multiresponsive materials. Herein, pillar[S]arene units were integrated into one skeleton through coordination-driven self-assembly, resulting in the formation of a hexagonal Pt(II) metallacycle decorated with six pillar[5]arenes. The host-guest interactions of the as-prepared metallacycle (pillar[S]arenes as hosts) and 1-butyl-4-[4-(diphenylamino)styryl]pyridinium (guest) were investigated. The metallacycle was found to facilitate the coaggregation between the guests and pillar[5]arenes through a synergistic effect, thus engendering a sharp increase in fluorescence intensity. The resultant aggregate was investigated by DLS and TEM. Our studies imply that the pillar[5]arene-containing metallacycle can serve as a potential platform for realizing emission enhancement effects.Funding Information
- National Natural Science Foundation of China (21708012)
- the Key Laboratory of Spectroscopy Sensing, Ministry of Agricul-ture and Rural Affairs, P. R. China (2020ZJUGP003)
- the Hubei Province Key Laboratory of Occupational Hazard Identi-fication and Control (OHIC2019K01)
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