University of California

Jeff Peet

Guillermo C Bazan

Gregory C Welch

Robert C Coffin

A method for altering the electronic and optical properties of a chemical compound having a band gap and a framework that includes &#x3c0;-delocalized electrons. The method includes complexing a Lewis acid to a basic site within the framework to form a Lewis acid adduct having a band gap that differs from the band gap of the chemical compound. The &#x3bb;of the Lewis acid adduct can be shifted to a longer wavelength in comparison to the &#x3bb;of the chemical compound. In various versions, the chemical compound can be a conjugated oligomer, a conjugated polymer, or a small molecule comprising a conjugated &#x3c0;-electron system. Electronic devices that include Lewis acid adducts are also provided.

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Lowell, MA, United States of America

Jeff Peet