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. Author manuscript; available in PMC: 2016 Sep 3.
Published in final edited form as: J Phys Chem C Nanomater Interfaces. 2016 Mar 3;120(8):4430–4437. doi: 10.1021/acs.jpcc.5b12736

Figure 1.

Figure 1

STM images of a) a clean TiO2(110) surface before and b) after ZnTPP adsorption. Both images were taken at Vs=+2V, and are thus mapping unoccupied states. c) A zoomed-in area of b) that contains both a ZnTPP-covered region and a clean surface region, allowing the determination of the molecular adsorption scheme shown in d).