Journal
JOURNAL OF ORGANIC CHEMISTRY
Volume -, Issue -, Pages -Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.1c02693
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Funding
- National Natural Science Foundation of China (NSFC) [21871022, 22005018, 22175013]
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In this study, three acene-extended triptycenes containing TIPS-ethynyl functionalized anthracene, tetracene, and pentacene as subunits were synthesized and characterized. The optoelectronic properties and crystal packing motifs of these compounds could be modulated by changing the subunits. The excited-state behavior of these molecules was investigated, showing that two of them exhibited intramolecular singlet fission (iSF).
Three acene-extended triptycenes, TIPS-Antrip, TIPS-Tetrip, and TIPS-Pentrip, which contain TIPS-ethynyl functionalized anthracene, tetracene, and pentacene as subunits, respectively, are synthesized and characterized. It is found that the optoelectronic properties and crystal packing motifs could be modulated by changing the subunits. A preliminary exploration of the excited-state behavior of these molecules indicates that TIPS-Tetrip and TIPS-Pentrip exhibit intramolecular singlet fission (iSF).
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