High performance as-cast P3HT:PCBM devices: understanding the role of molecular weight in high regioregularity P3HT
Naresh Chandrasekaran, Anil Kumar, Lars Thomsen, Dinesh Kabra, Christopher R. McNeill
Abstract
Four batches of P3HT with varied molecular weight (MW) but constant regioregularity (RR) are investigated. When RR is fixed at 100%, solar cell efficiency is less sensitive to MW with high efficiencies achieved for as-cast devices.
Topics & Concepts
Materials scienceOptoelectronicsOrganic solar cellNanotechnologyAnalytical Chemistry (journal)ChemistryPolymerComposite materialChromatographyOrganic Electronics and PhotovoltaicsThin-Film Transistor TechnologiesConducting polymers and applications