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Lateral force microscopy image of an 11-mercaptoundecanoic acid SAM following patterning by apertured photocatalytic nanolithography and subsequent immersion in a dilute solution of dodecanethiol. (b) A region of image (a) at higher magnification, and (c) shows a line section acquired along the dashed line in (b). (d–f) Corresponding images acquired for a dodecanthiol SAM following photocatalytic nanolithography and immersion in a solution of 11-mercaptoundecanoic acid.
