Figure 7.

GIXD signal integrated along the q_z direction of a Au NP film (a) showing the same diffraction peaks for a monolayer and a multilayer and (b) showing an increasing correlation distance in the presence of additional thiol in the spreading solution. Panels a and b are reprinted with permission from ref (13). Copyright 2006 American Chemical Society. (c) SEM images of the islands of domains formed in a Au NP film at three different NP densities on the surface, where the densities of (ii) and (iii) are 5 and 10 times higher than that of (i), respectively. Reprinted with permission from ref (43). Copyright 2001 American Vacuum Society. (d) Diagram of domains formed at (i) low and (ii) high NP concentrations in the solution demonstrating that higher concentration can lead to larger defects. Reprinted with permission from ref (58). Copyright 2001 American Vacuum Society.