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  4. Precise Capillary-Assisted Nanoparticle assembly in Reusable Templates
 
conference poster not in proceedings

Precise Capillary-Assisted Nanoparticle assembly in Reusable Templates

YU, Henry S.C.
•
Conde Rubio, Ana  
September 20, 2021
47th Micro and Nano Engineering Conference (MNE 2021)

We show a scalable process to fabricate reusable silicon templates with funnel- and cone-shaped traps for the capillary-assisted particle assembly (CAPA) technique. The assembly yield of 100 nm AuNPs in funnel traps is as high as 94% and the median of the particle position offset is 10 nm. Assembled AuNPs are then transferred from the silicon template onto other substrates such as PDMS or OrmoComp with a transfer rate > 99%. After the first transfer process, the silicon template is reused leading to a particle position offset comparable to that of the first assembly.

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Poster_MNE21_HenrySCYu_PA8.pdf

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