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Fluid wrap around during wet chemical single side treatments

 
: Richter, M.; Narayanan, S.; Hain, A.; Zimmer, M.; Rentsch, J.; Reinecke, H.

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Fulltext urn:nbn:de:0011-n-3112895 (768 KByte PDF)
MD5 Fingerprint: 8e6b9873286b9f49cad052eb1a62ed01
Created on: 5.11.2014


Bokhoven, T.P. ; European Commission:
29th European Photovoltaic Solar Energy Conference and Exhibition, EU PVSEC 2014 : Proceedings of the international conference held in Amsterdam, The Netherlands, 22 - 26 September 2014, DVD
München: WIP, 2014
ISBN: 3-936338-34-5
pp.1062-1068
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <29, 2014, Amsterdam>
English
Conference Paper, Electronic Publication
Fraunhofer ISE ()
PV Produktionstechnologie und Qualitätssicherung; Silicium-Photovoltaik; Oberflächen: Konditionierung; Passivierung; Lichteinfang; Herstellung und Analyse von hocheffizienten Solarzellen; side wet etching; polishing; wrap around

Abstract
Single sided etching is commonly used for processing solar cells. As with all single sided processes using wet etching solutions, fluid wrap around appears. This paper investigates this effect in two ways. Different experimental setups will be shown and described including results and theories concerning the fluid wrap around. It can be proven, that bursting bubbles caused by etching support the fluid wrap around as well as some additives and surface morphologies. Additionally, surface tension, surface energy and surface morphologies can be found as influencing factors. Further investigations for better understanding of the fluid wrap around will be described.

: http://publica.fraunhofer.de/documents/N-311289.html