Chain length-dependent luminescence in acceptor-doped conjugated polymers.

ABSTRACT: Semiconducting polymers doped with a minority fraction of energy transfer acceptors feature a sensitive coupling between chain conformation and fluorescence emission, that can be harnessed for advanced solution-based molecular sensing and diagnostics. While it is known that chain length strongly affects chain conformation, and its response to external cues, the effects of chain length on the emission patterns in chromophore-doped conjugated polymers remains incompletely understood. In this paper, we explore chain-length dependent emission in two different acceptor-doped polyfluorenes. We show how the binomial distribution of acceptor incorporation, during the probabilistic polycondensation reaction, creates a strong chain-length dependency in the optical properties of this class of lumines

SUBMITTER: Scheer PV 

PROVIDER: S-EPMC6677785 | biostudies-literature | 2019 Aug

REPOSITORIES: biostudies-literature