Pang Wang's work on perovskite/organic tandem solar cells is accepted in Nano Letters

      Pang Wang's latest work on perovskite/organic tandem solar cells is accepted in Nano Letters. This work reports tuning of the hole transport polymers in the interconnecting layer of perovskite/organic tandem solar cells, and achieved a record efficiency exceeding 21% with good stabilities. PolyTPD has been demonstrated superior to PBDB-T-Si and D18 due to its low parasitic absorption, sufficient hole mobility and quasi-Ohmic contact to suppress charge accumulationand voltage loss within the tandem device.