Interest in renewable energy resources has led to the continued research in highly conjugated polymeric systems as building blocks for light harvesting applications. Due to their cross-conjugated arrangement, the incorporation of intact fulvene structural units in a conjugated polymer main-chain still remains a relatively unexplored area. Small molecule studies of fulvene dyes have shown that they possess small optical bad gaps. This suggests a polymer constructed of this cross-conjugated moiety could absorb the full range of UV to visible light. In this work, we have optimized a methodology to prepare partially fluorinated polyfulvenes via metal-free, step-growth coupling polymerization. The structural characterization and optoelectronic properties of these new materials will be discussed.

Fluorinated polyfulvenes for low band gap optical applications

255th National Meeting (2018)

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