Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
(a) SEM image of the gold nanoisland film (Au NIF) (scale bar = 500 nm) and (b) the selected magnified area (scale bar = 150 nm). (c) The converted binary image of the Au NIF used for the calculation of average nanoisland size from (a). (d) An inverted image of (c) was applied to determine the average inter-island gap distance, where the blue line shows gaps after the watershed segmentation process.
