2016
DOI: 10.1016/j.egypro.2016.07.090
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Corona Charge in SiO2: Kinetics and Surface Passivation for High Efficiency Silicon Solar Cells

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Cited by 31 publications
(35 citation statements)
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“…The stability of extrinsic charge, such as corona and/or ionic charge, has only recently been studied. Corona charges have long been known to provide poor stability, which can be moderately improved with a hydrophobic chemical treatment of the interface . Better results have been achieved when large alkali ions are introduced into the dielectric coating as demonstrated with potassium in SiO 2 , thus bringing extrinsic FEP methods closer to practical implementation.…”
Section: Summary and Discussionmentioning
confidence: 99%
“…The stability of extrinsic charge, such as corona and/or ionic charge, has only recently been studied. Corona charges have long been known to provide poor stability, which can be moderately improved with a hydrophobic chemical treatment of the interface . Better results have been achieved when large alkali ions are introduced into the dielectric coating as demonstrated with potassium in SiO 2 , thus bringing extrinsic FEP methods closer to practical implementation.…”
Section: Summary and Discussionmentioning
confidence: 99%
“…[42] Here, it is clear that the as remarked in references. [42][43][44] For thermal-ALD TiOx, on the other hand, a shift of +0.55 V cannot be explained by Qit, since it would require an excessively large concentration of negatively charged interface acceptor states, which would increase surface recombination, and it is thus in disagreement with the high lifetime results in Section 3.1. Here it is concluded that up to 0.82 V of shift is produced due to negative charge inside the TiOx film, when accounting for the WF difference.…”
Section: Spv and C-v Measurementsmentioning
confidence: 98%
“…In order to characterize the quality of the interface, effective lifetimes were recorded as the surface charge was modified using corona charging in a point-to-plane set-up with a 30 kV bias and 10 s intervals [17,18]. The resulting surface potentials were measured using Kelvin Probe.…”
Section: Resultsmentioning
confidence: 99%