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EnglishTraceable parameters for determining the relationship between texture, form, sizes and resistance behaviour of functional surfaces' features, such as screen-printed electrodes with grids of different design either on c-Si photovoltaic cells and on a ceramic substrate, are studied in this work. Test samples with electrodes of various sizes, suitable to study surface features in a wide measurement range, have been characterized by optical-confocal profilometry and by resistance measurements with dense data sampling. Quantitative measurements of these printed lines in terms of descriptors like the cross-section area and its variations along the segment, and of the top-profile roughness, scaling of roughness and fractal dimension, are presented and discussed either for photovoltaic cells and test structures. A good agreement between the resistance calculated from optical-based 3D morphology measurements and local resistance measurements on these electrodes is demonstrated.
Optical measurements of morphology-to-functional parameters on electrical contacts of photovoltaic cells / Bellotti, Roberto; Furin, Valentina; Marsura, Alessandro; Picotto, Gianbartolo; Ribotta, Luigi. - In: SURFACE TOPOGRAPHY. - ISSN 2051-672X. - 7:3(2019), p. 035009.
| Titolo: | Optical measurements of morphology-to-functional parameters on electrical contacts of photovoltaic cells | |
| Autori: | ||
| Data di pubblicazione: | 2019 | |
| Rivista: | SURFACE TOPOGRAPHY | |
| Digital Object Identifier (DOI): | http://dx.doi.org/10.1088/2051-672x/ab370e | |
| Abstract: | Traceable parameters for determining the relationship between texture, form, sizes and resistance... behaviour of functional surfaces' features, such as screen-printed electrodes with grids of different design either on c-Si photovoltaic cells and on a ceramic substrate, are studied in this work. Test samples with electrodes of various sizes, suitable to study surface features in a wide measurement range, have been characterized by optical-confocal profilometry and by resistance measurements with dense data sampling. Quantitative measurements of these printed lines in terms of descriptors like the cross-section area and its variations along the segment, and of the top-profile roughness, scaling of roughness and fractal dimension, are presented and discussed either for photovoltaic cells and test structures. A good agreement between the resistance calculated from optical-based 3D morphology measurements and local resistance measurements on these electrodes is demonstrated. | |
| Full-text (pubblici): | partially_open | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11696/63159
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