Abstract
The Cover Feature shows a diagram of how the use of methanol can help to remove water during the fabrication of perovskite thin films. Because of the presence of methanol, residual water molecules can be efficiently removed from the gaps of the perovskite precursors and the perovskite film formation can be slightly controlled, leading to pinhole-free and low roughness films. This method presents a new path for controlling the growth and morphology of perovskite films in humid climates and laboratories with uncontrolled environments. More information can be found in the Full Paper by Yang et al. on page 2348 in Issue 14, 2018 (DOI: 10.1002/cssc.201800625).
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