Li, X.X.LiSprafke, A.A.SprafkeSchweizer, S.S.SchweizerWehrspohn, R.B.R.B.Wehrspohn2022-03-122022-03-122013https://publica.fraunhofer.de/handle/publica/383244Metal impurities have detrimental effects on the performance of Si solar cells. Through metal-assisted chemical etching, we fabricate Si nanowires from metallurgical Si while purifying it close to solar grade Si. Renewable Energy and the Environment Congressenconference paper