Narrower bands with better charge transport: the counterintuitive behavior of semiconducting copolymers.
basic_science · Level V
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- Record sourced from PubMed, PMID 25327499.
- Also identified by DOI 10.1002/adma.201402941.
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Abstract
The narrower bands formed by donor-acceptor polymers are not detrimental to transport, as the reduced electronic coupling along the chain is more than compensated by a reduced activation energy for transport. These polymers are less sensitive to the conformational disorder of the chain as long as the bandwidth is larger than a threshold.