Macromolecules 1996,28, 7386-7393
7386
Scanning Tunneling Microscopy of Discontinuous Polystyrene Films Adsorbed on Graphite L. S. Zhang, C. W. Manke,” and K. Y. S. Ng Department of Chemical Engineering and Materials Science and Institute for Manufacturing Research, Wayne State University, Detroit, Michigan 48202 Received March 17, 1995; Revised Manuscript Received August 4, 1995@
ABSTRACT: Discontinuous polystyrene thin films adsorbed on graphite surfaces from dilute solutions were imaged directly by scanning tunneling microscopy (STM),without the use of conductive overcoating. Dimensions of the adsorbed PS structures were evaluated by measurement of the STM images. At low surface coverage (
