Understanding the Doping Effect on NiO: Toward High‐Performance Inverted Perovskite Solar Cells

• Published in: Advanced energy materials Vol. 8; no. 19
• Main Authors: Chen, Wei, Wu, Yinghui, Fan, Jing, Djurišić, Aleksandra B., Liu, Fangzhou, Tam, Ho Won, Ng, Annie, Surya, Charles, Chan, Wai Kin, Wang, Dong, He, Zhu‐Bing
• Format: Journal Article
• Language: English
• Published: Weinheim Wiley Subscription Services, Inc 05.07.2018
• Subjects: Carrier density; Carrier mobility; Charge transfer; Copper; copper doping; DFT calculations; Doping; Energy conversion efficiency; Energy levels; flexible solar cells; Mathematical analysis; nickel oxide; Nickel oxides; organometallic halide perovskites; Perovskites; Photovoltaic cells; Solar cells; Substrates; Valence band

High‐quality hole transport layers are prepared by spin‐coating copper doped nickel oxide (Cu:NiO) nanoparticle inks at room temperature without further processing. In agreement with theoretical calculations predicting that Cu doping results in acceptor energy levels closer to the valence band maxim...