Synthesis and Characterization of Electron-Deficient and Highly Soluble (Bis)Indenofluorene Building Blocks for n-Type Semiconducting Polymers
- 4 March 2008
- journal article
- Published by American Chemical Society (ACS) in Organic Letters
- Vol. 10 (7), 1385-1388
- https://doi.org/10.1021/ol8000574
Abstract
New electron-deficient and soluble indenofluorene-based and bisindenofluorene-based ladder-type building blocks embedding carbonyl and dicyanovinylene functionalities were synthesized, and their optical and electrochemical properties were characterized. These derivatives exhibit optical band gaps of 1.83 to 2.44 eV and low LUMO energies of −3.24 to −4.30 eV, representing a promising new building block class for n-type polymeric electronic materials.Keywords
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