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N -2-aryl-1,2,3-triazole derivatives were synthesized as new ligand systems for the construction of photoluminescent active metal–organic frameworks (MOFs). Crystal structures revealed that the five-membered triazoles show an unsymmetrical conformation with the two C4,C5-substituted benzenes adopting a “twisted-planar” geometry. As a result, a MOF constructed from this ligand exhibited cross-layer interactions with improved water stability (at 100 °C for 24 hours). Furthermore, enhanced photoluminescence emissions were observed upon the formation of MOF structures ( Φ up to 30%), suggesting the potential applications of these photoactive porous materials through this new ligand design.
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Rational design and synthesis of yellow-light emitting triazole fluorophores with AIE and mechanochromic properties
Previously, we reported that N -2-aryl triazoles (NATs) exhibited good fluorescence activity in the UV/blue light range. In an effort to achieve biocompetitive NAT fluorophores with green/yellow emission, a new class of 4-keto-2-(4′- N , N -diphenyl)-phenyl triazoles were designed and synthesized. Herein, we present our study on these novel fluorophores which demonstrated excellent luminescence emission both in solution ( Φ up to 96%) and in the solid state ( Φ up to 43%). Furthermore, these new compounds showed aggregation-induced emission (AIE) properties and reversible mechanochromic luminescence properties, which suggested their potential applications in chemical and materials science.
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- Award ID(s):
- 1665122
- PAR ID:
- 10103984
- Date Published:
- Journal Name:
- Chemical Communications
- Volume:
- 55
- Issue:
- 32
- ISSN:
- 1359-7345
- Page Range / eLocation ID:
- 4603 to 4606
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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- Free Publicly Accessible Full Text
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Accepted Manuscript1.0
- Journal Article:
- https://doi.org/10.1039/c9cc00262f
