(19)

(11)

EP 2 609 317 A1

(12)

(43) Date of publication: 03.07.2013 Bulletin 2013/27 (21) Application number: 10752307.8 (22) Date of filing: 27.08.2010

(51) International Patent Classification (IPC):  F02G 1/043(2006.01) H01L 37/02(2006.01) (86) International application number: PCT/EP2010/005279 (87) International publication number: WO 2012/025137 (01.03.2012 Gazette 2012/09)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (71) Applicant: Albert-Ludwigs-Universität Freiburg 79085 Freiburg (DE)	(72) Inventors: WOIAS, Peter 79102 Freiburg (DE) HUESGEN, Till 79713 Bad Säckingen (DE) KARANILAM THUNDIPARAMBU RAVINDRAN, Shankar 79110 Freiburg (DE) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser  Leopoldstrasse 4 80802 München 80802 München (DE)