Edwin Kan Group, Electrical and Computer Engineering, Cornell University [Link]
Thin Film & Measurement Lab, Electronics Engineering, NCTU [Link]
These are where I graduated from.
Charles Lieber Group, Chemistry, Harvardl University [Link]
Paul McEuen Group, Applied & Engineering Physics, Cornell University [Link]
James Heath Group, Chemistry, Caltech [Link]
Hongjie Dai Group, Chemistry, Stanford [Link]
Some of the top nanoscale science & technology groups in the world.