Surface Self-Assembled Colloidal Crystals
for the use in Pattern Replication by Hot Embossing
R.M. van Dommelen (TU Delft - Mechanical Engineering)
Luigi Sasso – Mentor
P. Fanzio – Mentor
Marcel Tichem – Graduation committee member
H.B. Eral – Graduation committee member
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Abstract
The structuring of polymers on the micro and nanoscale is performed largely by lithographic techniques, which require complex steps and suffer from geometrical and scaling limits. Techniques such as Nanoimprint Lithography and Hot Embossing are attractive alternatives as they can produce high quality nanoscale structures with a high throughput. Colloidal building blocks offer a way to self-assemble the masters required for these replication steps. However, the difficulty with self-assembly lies in the creation of stable structures with little defect that are well controlled. This work sets out to provide a
comprehensive overview of the aspects of the fabrication of colloidal crystals, the most influential parameters and how they can be qualified. Offering a basis for future research on microscale replication by colloidal crystals and resulting in development of a method for the fabrication of colloidal crystal, which can be used as a master to replicate microscale patterns through Hot Embossing.