Solar energy paper index
Resolving multiple layer thicknesses and birefringence in thin films with an optical in-line Roll-to-Roll characterization setup
One-line summary
A solar energy research paper on Resolving multiple layer thicknesses and birefringence in thin films with an optical in-line Roll-to-Roll characterization setup.
Engineering notes
Engineering notes will be added by the Power for Solar editorial team.
Chinese explanation / 中文解读
中文解读待补充：本站会优先为光伏效率、钙钛矿太阳能电池、储能技术、太阳能热利用、BIPV、并网技术等高价值论文补充中文说明。
Original abstract
Optical techniques provide a fast and flexible path to material inspection. In particular, the investigation of key metrics during material production can help obtain the optimal parameters to achieve desired material functionality as well as to ensure product quality. Here we present an optical imaging setup designed for fast material inspection in a roll-to-roll deposition environment. The method allows for robust simultaneous determination of thickness in the range from 0.3 to 110 micrometers of multiple layers of transparent or semi-transparent materials in the form of a free film or a film deposited on a thicker transparent substrate. The PEDOT and ZnO materials chosen for this proof of concept are relevant for the fabrication of organic solar cells. Additionally, the method may be used to characterize birefringence.
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