Journal of Nanomaterials / 2012 / Article / Fig 3

Research Article

Patterning Luminescent Nanocrystalline L a P O 4  : Eu and C e P O 4  : Tb Particles Embedded in Hybrid Organosilica with Soft-Lithographic Techniques

Figure 3

SEM images of CePO4 : Tb fluorescence NPs in hybrid silica; (a) line pattern made with MIMIC having 𝑤 𝑙 = 6 μm; (b) line pattern made with μTM showing residue of PDMS lines between the patterned lines as a result of strong adhesion; (c) line pattern made with μTM having 𝑤 𝑙 = 5 μm (left) and 𝑤 𝑙 = 3 μm (right); (d) μTM-derived line pattern showing displacement and detachment of the lines due to poor adhesion to the substrate; (e) μTM-derived pillars pattern having diameter of 𝑃 𝑑 = 8 0 0  nm (lower part), and 𝑃 𝑑 = 1 5 0 0  nm (upper part); (f) pillar pattern showing the residue layer between the pillars.

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