|AVS 57th International Symposium & Exhibition|
|Nanometer-scale Science and Technology||Wednesday Sessions|
|Session:||Characterization and Imaging at Nanoscale|
|Presenter:||D.H. Dahanayaka, The University of Oklahoma|
|Authors:||D.H. Dahanayaka, The University of Oklahoma
L.A. Bumm, The University of Oklahoma
|Correspondent:||Click to Email|
Flat gold nanoparticles (FGNPs) grown in aqueous solution have large Au(111) facets that are excellent substrates for scanning probe microscopy. However adsorbed stabilizers (e.g. polyelectrolytes) must be removed or displaced before the FGNP surfaces can be used as single crystal surfaces. We have explored the effects of plasma cleaning, UV ozone, and thermal annealing on the surface roughness and the Au(111) terrace structure using STM.
This work has been supported by NSF CAREER grant No. CHE- 0239803, NSF MRSEC No. DMR-0080054, NSF No. DMR-0805233d NSF, and AFOSR No. FA9550- 06-1-0365.