FESQUET L ET AL: 'Modification of textured silicon wafer surface morphology for fabrication of heterojunction solar cell with open circuit voltage over 700 mV', PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC), 2009 34TH IEEE, IEEE, PISCATAWAY, NJ, USA, 7 June 2009 (2009-06-07), pages 754 - 758, XP031626462, ISBN: 978-1-4244-2949-3