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Tunable Self-Assembly and Aggregation-Induced Emission Characteristics of Triarylboron-Decorated Naphthalimides
- Source :
- Organometallics. 37:1900-1909
- Publication Year :
- 2018
- Publisher :
- American Chemical Society (ACS), 2018.
-
Abstract
- Understanding the structure–property and structure–morphology correlations of organic luminescent materials is essential in order to employ such materials for desired applications. In this regard, we prepared a library of novel triarylboron-tethered N-boryl-1,8-naphthalimides (TAB-NPIs) 1–6 with variations in their steric and electronic factors. Compounds 1–6 are weakly luminescent in molecularly dispersed state; however, they are strongly luminescent in the aggregated state (THF–H2O mixture). The presence of sterically hindered triarylboryl units in 1–6 endowed these molecules with aggregation-induced emission (AIE) characteristics by preventing cofacial arrangements of NPI moieties, as shown by the supramolecular interactions in the crystal lattice. These structural features preclude excimer formation which can be detrimental to the radiative process in these molecules. Promisingly, these compounds undergo self-assembly and form interesting morphologies such as sheets (1), fibers (2), tubes (3), vesicle...
- Subjects :
- Steric effects
010405 organic chemistry
Chemistry
Organic Chemistry
Supramolecular chemistry
Crystal structure
010402 general chemistry
Photochemistry
Excimer
01 natural sciences
0104 chemical sciences
Inorganic Chemistry
Naphthalimides
Molecule
Self-assembly
Physical and Theoretical Chemistry
Luminescence
Subjects
Details
- ISSN :
- 15206041 and 02767333
- Volume :
- 37
- Database :
- OpenAIRE
- Journal :
- Organometallics
- Accession number :
- edsair.doi...........242b7802c3c2c307400d35587f5b017f