The world-record power conversion efficiency(PCE)of organometallic perovskite solar cells(PSCs)has rapidly increased to 25.2% within ten years due to the superb optoelectronic properties of the organometallic perovski...The world-record power conversion efficiency(PCE)of organometallic perovskite solar cells(PSCs)has rapidly increased to 25.2% within ten years due to the superb optoelectronic properties of the organometallic perovskite materials[1-4].However,the long-term stability issue remains a key obstacle for the commercialization of PSCs[5].There are several extrinsic and intrinsic factors known to directly influence the stability of PSCs.Extrinsic factors such as moisture and oxygen in the air can accelerate the degradation of PSCs,but such factors can be effectively eliminated by advanced encapsulation technologies[6,7].展开更多
基金funded by the National University of Singapore(NUS)and Singapore’s National Research Foundation(NRF)through the Singapore Economic Development Board(EDB)the National Key Research and Development Program of China(2017YFA0206600)the National Natural Science Foundation of China(51773045,21772030,51922032,21961160720)for financial support。
文摘The world-record power conversion efficiency(PCE)of organometallic perovskite solar cells(PSCs)has rapidly increased to 25.2% within ten years due to the superb optoelectronic properties of the organometallic perovskite materials[1-4].However,the long-term stability issue remains a key obstacle for the commercialization of PSCs[5].There are several extrinsic and intrinsic factors known to directly influence the stability of PSCs.Extrinsic factors such as moisture and oxygen in the air can accelerate the degradation of PSCs,but such factors can be effectively eliminated by advanced encapsulation technologies[6,7].
