SEM image of 250 square, 130 micron tall blocks of aligned multi-wall nanotubes. 5 nm of Iron was evaporated with a shadow mask on porous silicon and grown at 700 °C in Ethylene.
MWNT Carpet
SEM image of 5 micron square MWNT blocks grown to a high aspect ratio.
Aligned MWNT
SEM image of aligned MWNT synthesis on silicon substrate.