Experimental and theoretical evidence for molecular forces driving surface segregation in photonic colloidal assemblies

Authors: Ming Xiao, Ziying Hu, Thomas E. Gartner, Xiaozhou Yang, Weiyao Li, Arthi Jayaraman, Nathan C. Gianneschi, Matthew D. Shawkey, Ali Dhinojwala

Published: 2019-09-20

DOI: 10.1126/sciadv.aax1254

Source: Full article


Abstract

Particle size and chemistry determine surface segregation in colloidal assemblies, leading to unique control of structural colors.