Proceedings of the European Summer School of Photovoltaics 4 â 7 ...
Proceedings of the European Summer School of Photovoltaics 4 â 7 ...
Proceedings of the European Summer School of Photovoltaics 4 â 7 ...
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a)<br />
a)<br />
b)<br />
b)<br />
c)<br />
c)<br />
Fig. 3. Dependence <strong>of</strong> resistance on firing time for silicon doped with<br />
phosphorus samples for defined measuring points: a) R1, b) R2, c) R3<br />
Fig. 4. Dependence <strong>of</strong> resistance on firing time for silicon doped with<br />
antimony samples for defined measuring points: a) R1, b) R2, c) R3<br />
Tabl. 2. Measurement results <strong>of</strong> silver nanopowder layers on alundum basis<br />
after firing in chamber furnace<br />
Firing<br />
temperature<br />
[ 0 C]<br />
Layer thickness<br />
after firing [µm]<br />
Path<br />
resistance<br />
[Ω]<br />
Resistance/□<br />
[mΩ/□]<br />
Resistivity<br />
[Ω∙m×10 -8 ]<br />
300 5 1,5 7,5 3,75<br />
300 5 1,5 7,5 3,75<br />
350 3 1,5 7,5 2,25<br />
Fig. 5. The scheme <strong>of</strong> a mask used for screen printing <strong>of</strong> silver<br />
nanopowder contacts on alundum basis<br />
350 3 1,4 7,0 2,10<br />
84<br />
Elektronika 6/2012
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