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. Author manuscript; available in PMC: 2018 Mar 23.
Published in final edited form as: ACS Appl Mater Interfaces. 2017 May 8;9(19):16725–16733. doi: 10.1021/acsami.7b04881

Figure 4.

Figure 4

BP of QDs on a flexible substrate: (a) Fluorescence image of the longhorn pattern printed with red QDs over a PET film obtained using TRITC filter set. (b) Bright-field image of the printed QDs with the PET film in the bent state. The strong adhesion of QDs to the substrate ensures that the high integrity of the pattern is maintained after the mechanical bending. (c, d) Optical images of the PET film under the original and bent states, respectively. (e) Optical profilometer image (Wyco 9100) of the PET film showing an RMS roughness of 35 nm.