期刊
APPLIED PHYSICS LETTERS
卷 104, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4867263
关键词
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资金
- EPSRC [EP/I017070/1]
- Oxford Photovoltaics Ltd., through a Nanotechnology KTN CASE award, the European Research Council (ERC) HYPER PROJECT [279881]
- King Abdullah University of Science and Technology (KAUST) [KUK-C1-013-04]
- Wolfson/Royal Society
- EC
- Oxford Martin School
- EPSRC [EP/I017070/1, EP/F065884/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/I017070/1, 1511477, EP/F065884/1] Funding Source: researchfish
Creating uniform coatings of a solution-cast material is of central importance to a broad range of applications. Here, a robust and generic theoretical framework for calculating surface coverage by a solid film of material de-wetting a substrate is presented. Using experimental data from semiconductor thin films as an example, we calculate surface coverage for a wide range of annealing temperatures and film thicknesses. The model generally predicts that for each value of the annealing temperature there is a range of film thicknesses leading to poor surface coverage. The model accurately reproduces solution-cast thin film coverage for organometal halide perovskites, key modern photovoltaic materials, and identifies processing windows for both high and low levels of surface coverage. (C) 2014 AIP Publishing LLC.
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