Advances in controlled synthesis, processing, and tuning of the properties of organic conjugated polymers have enabled significantly enhanced performance of organic electronic devices. Our laboratory employs a molecular engineering approach to develop processible and high charge carrier mobility polymers for enhancing the power conversion efficiency of polymer solar cells (PCE of &gt;10% in single junction devices and &gt;11% in tandem devices). Specific emphasis will be placed on the low band-gap, regio-specific polymers and non-fullerene acceptor development with proper energy levels, optimized bulk-heterojunction morphology, and minimized interfacial energy barriers with collecting electrodes. At the end, several innovative strategies to create new device architectures to explore their potential for solar window and flexible solar applications.

Rational material, interface & device engineering for high-performance polymer solar cells

251st National Meeting (2016)

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