Highly emissive covalent organic frameworks
Dalapati S, Jin E, Addicoat M, Heine T, Jiang D (2016)
Publication Type: Journal article
Publication year: 2016
Journal
Book Volume: 138
Pages Range: 5797-5800
Journal Issue: 18
DOI: 10.1021/jacs.6b02700
Abstract
Highly luminescent covalent organic frameworks (COFs) are rarely achieved because of the aggregation-caused quenching (ACQ) of stacked layers. Here, we report a general strategy to design highly emissive COFs by introducing an aggregation-induced emission (AIE) mechanism. The integration of AIE-active units into the polygon vertices yields crystalline porous COFs with periodic stacked columnar AIE arrays. These columnar AIE arrays dominate the luminescence of the COFs, achieve exceptional quantum yield via a synergistic structural locking effect of intralayer covalent bonding and interlayer noncovalent interactions and serve as a highly sensitive sensor to report ammonia down to sub ppm level. Our strategy breaks through the ACQ-based mechanistic limitations of COFs and opens a way to explore highly emissive COF materials.
Involved external institutions
Japan Advanced Institute of Science and Technology (JAIST) / 北陸先端科学技術大学院大学
Japan (JP)
SOKENDAI (The Graduate University for Advanced Studies)
Japan (JP)
Universität Leipzig
Germany (DE)
Japan (JP)
SOKENDAI (The Graduate University for Advanced Studies)
Japan (JP)
Universität Leipzig
Germany (DE)
How to cite
APA:
Dalapati, S., Jin, E., Addicoat, M., Heine, T., & Jiang, D. (2016). Highly emissive covalent organic frameworks. Journal of the American Chemical Society, 138(18), 5797-5800. https://doi.org/10.1021/jacs.6b02700
MLA:
Dalapati, Sasanka, et al. "Highly emissive covalent organic frameworks." Journal of the American Chemical Society 138.18 (2016): 5797-5800.
BibTeX: Download