(19)
(11) EP 1 695 388 A2

(12)

(43) Date of publication:
30.08.2006 Bulletin 2006/35

(21) Application number: 04817004.7

(22) Date of filing: 29.11.2004
(51) International Patent Classification (IPC): 
H01L 29/00(2006.01)
(86) International application number:
PCT/US2004/039900
(87) International publication number:
WO 2005/055285 (16.06.2005 Gazette 2005/24)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR
Designated Extension States:
AL HR LT LV MK YU

(30) Priority: 01.12.2003 US 526210 P

(71) Applicant: The Regents of the University of California
Oakland, CA 94607 (US)

(72) Inventors:
  • WALUKIEWICZ, Wladyslaw
    Kensington, CA 94708 (US)
  • YU, Kin, Man
    Lafayette, CA 94549 (US)
  • WU, Junqiao
    Richmond, CA 94804 (US)

(74) Representative: Sexton, Jane Helen 
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5JJ
London WC1R 5JJ (GB)

   


(54) MULTIBAND SEMICONDUCTOR COMPOSITIONS FOR PHOTOVOLTAIC DEVICES