High-performance near-infrared organic phototransistors based on diketopyrrolopyrrole conjugated polymers with partial removal of long branched alkyl side chains
Yu Tang, Weijie Ge, Ping Deng, Qiaoming Zhang, Yingjie Liao, Zuhong Xiong, Weixia Lan, Bin Wei, Yanlian Lei
Abstract
Near-infrared (NIR) phototransistors based on diketopyrrolopyrrole polymers with partial removal of side chains are reported with improved NIR photoresponses, which take advantage of both strengthened NIR absorption and improved charge transport.
Topics & Concepts
Materials scienceConjugated systemSide chainPolymerAlkylAbsorption (acoustics)InfraredNear-infrared spectroscopyPhotochemistryOptoelectronicsOrganic chemistryOpticsComposite materialChemistryPhysicsOrganic Electronics and PhotovoltaicsConducting polymers and applicationsTransition Metal Oxide Nanomaterials