text: the solvent. This allows for a better control of the process and enables the use of contrast-enhanced 
  
  microscopy to observe the dewetting process in situ [40]. All pattern formation is conﬁned to the 
  
  region of the receding contact line of toluene, silicon and air. With both techniques one may ﬁnd 
  
  mono-modal or bi-modal polygonal networks [34], labyrinthine spinodal structures, or branched 
  
  patterns (see Fig. 1). The meniscus technique allows for the study of branched structures in a 
  
  more controlled manner. The work in Ref. [40] indicates that ﬁngering strongly depends on the 
  
  interaction strength of the particles, i.e., on the chain length of the thiol molecules coating the gold 
  
  cores. For short chains (C5 and C8) no formation of branched structures is observed. At similar 
  
  concentrations, well-developed branched structures are formed for longer chains (C10 and C12). 
  
  For even longer chains (C14), however, one again ﬁnds less branching. It also depends on the 
  
  amount of excess thiol in the solvent (for details see Ref. [40]). 
  
  When following the evolution of the branched patterns in situ (see the complementary video 