摘要 |
<p>There is provided an electroactive compound having Formula In the formula: Ar1, Ar2, and Ar3 are the same or different and are aryl groups; R1 is the same or different at each occurrence and is D, alkyl or aryl; a is an integer from 0-4. The compound has a LUMO level deeper than -2.3 eV and a band gap of at least 2.9 eV.</p> |