abstract = "{\textcopyright} 2018 WILEY-VCH Verlag GmbH & Co. KGaA, WeinheimIntegrated-resonant units (IRUs), incorporated with multiple resonators into one building block or one resonator with multiple modes, show a great capacity for achieving controllable smooth and linear phase dispersion as well as amplitude manipulation over a continuous and broad bandwidth.

TY - JOUR. T1 - Planar heterojunction perovskite solar cells via vapor-assisted solution process. AU - Chen, Qi. AU - Zhou, Huanping. AU - Hong, Ziruo