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US 11,447,606 B2Granted
Fluorescent porous organic nanosheets for chemical sensing
AssigneeNational University of Singapore
InventorsDan Zhao, Jinqiao Dong
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Abstract
Disclosed herein is a porous polymeric material having a repeating unit according to Formula (I) or (IV), wherein each of A and E has a π conjugated system and each of X and G contain a flexible tetraphenylethylene (TPE) group. Also disclosed herein are fluorescent chemical sensors or biosensors or environmental monitoring assays or nanosheets or composite materials that include the polymer, and a method of detecting a volatile organic chemical or a metal ion in solution phase.
Claims11
A polymer having a repeating unit according to Formula (IV):
- wherein E represents a central portion of the polymeric repeating unit and is represented by formula (V):
- wherein the dotted lines relate to points of attachment to G;
- and
- wherein each G represents a peripheral portion of the polymeric repeating unit and is represented
- by formula (III):
- wherein the dotted lines relate to points of attachment to unit E.
3 more elements
Dependencies are inferred from the claim text.