Fischer, M.M.FischerHillerich, B.B.HillerichKozlowski, F.F.Kozlowski2022-03-032022-03-032000https://publica.fraunhofer.de/handle/publica/19655510.1016/S0040-6090(00)01054-3en541Long-time stability of photoluminescence in porous siliconjournal article