Multicolor emission on prepatterned substrates using a single dye species

Hu W, Lu N, Zhang HY, Wang Y, Kehagias N, Reboud V, Torres CMS, Hao JY, Li W, Fuchs H, Chi LF

Abstract

A new strategy for realizing patterned surfaces with different emission colors is demonstrated. This approach relies on the gas-phase deposition of dye molecules onto solid substrates that are prepatterned by nanoimprint lithography (see figure). Only a single molecular species is involved. Thus, the observed color change and corresponding spectral shift in the emission properties depends on the substrate used and can be tuned by surface engineering.