Journal Article nonfullerene organic solar cells Chlorides CsPbI3 Research Support, Non-U.S. Gov't biomimetic charge transport chloride conjugated polymers exciton diffusion fused-ring electron acceptor fused-ring electron acceptors hybrid materials nanochannels nonfullerene acceptors organic solar cell organoboron perovskite quantum dots polymer solar cells quasi-homojunction ternary blends voltage-gated