3 years ago

Physicochemical Interface Engineering of CuI/Cu as Advanced Potential Hole-Transporting Materials/Metal Contact Couples in Hysteresis-Free Ultralow-Cost and Large-Area Perovskite Solar Cells

Physicochemical Interface Engineering of CuI/Cu as Advanced Potential Hole-Transporting Materials/Metal Contact Couples in Hysteresis-Free Ultralow-Cost and Large-Area Perovskite Solar Cells
Masoud Payandeh, Fatemeh Ansari, Bahram Abdollahi Nejand, Vahid Ahmadi, Pariya Nazari, Masoud Salavati-Niasari
Low-cost fabrication of perovskite solar cells while fusing large-area deposition potential along with high power conversion efficiency and durability paves the way for scaling up the perovskite solar cells. In this work, a novel approach in the simultaneous deposition of hole-transporting and contact layers is introduced. The interface engineering is conducted in order to grow CuI as a hole-transporting material at the interface of Cu contact and perovskite layer through which great reproducibility and durability are achieved. The prepared devices show 9.24% and 8.3% power conversion efficiencies for 0.1 and 1 cm2 active areas, respectively.

Publisher URL: http://dx.doi.org/10.1021/acs.jpcc.7b07061

DOI: 10.1021/acs.jpcc.7b07061

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