Nanotech 2010

Silicon Solar Cell Efficiency Improvement Through Advanced Cleaning Technology

D.A. Bohling, A. Goldstein, H. Treichel, T. Lizard, M.A. George
Sunsonix, US

Keywords: silicon, photovoltaic, efficiency, improvement

Abstract:

Sunsonix™ has identified a technology gap/need in the area of crystalline silicon photovoltaic efficiency and field degradation. The cause of both poor efficiency and rapid degradation may share common roots, that being trace contamination at the photovoltaic junctions leading to both mid-level traps and photonic defects. Sunsonix has developed a “drop-in” cleaning chemistry that removes these contaminants from wafer surfaces improving cell efficiency.
 
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