Figure 2.

FE-SEM images of AAO template, Au-coated AAO template, and as-grown and annealed CIGS nanopore films. (a) Top view of the AAO template prepared by high-field anodization method. (b) Au-coated AAO template after broadening the pores. (c) As-grown CIGS nanopore film deposited with aqueous solution of 2 mM CuCl2, 6 mM InCl3, 16 mM GaCl3, and 4 mM H2SeO3. (d) CIGS nanopore film annealed at 550°C.

Li et al. Nanoscale Research Letters 2012 7:675   doi:10.1186/1556-276X-7-675
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