Adv. Funct. Mater. 2009,19, 1–6

Densely Packed Arrays of Ultra-High-Aspect-Ratio Silicon Nanowires Fabricated using Block-Copolymer Lithography and Metal-Assisted Etching
Shih-Wei Chang, Vivian P. Chuang, Steven T. Boles, Caroline A. Ross, and Carl V. Thompson