Fabrication process of ordered CIGS nanopore films. (a) AAO template with Al foil at the bottom and surrounding on its outside edge. (b) Au film sputtered on the top of the AAO template. (c) Ordered CIGS nanopore film deposited on the Au-coated substrate.
Li et al. Nanoscale Research Letters 2012 7:675 doi:10.1186/1556-276X-7-675