C.J. Hernandez and T.G. Mason, J. Phys. Chem. C 111 4477-4480 (2007)
| We create customized microscale and nanoscale materials, known as LithoParticle(TM) dispersions, to probe the phenomena of self-assembly, jamming, and phase transitions. By employing automated stepper lithography, we mass-produce particles having unique shapes and submicron features in a top-down fashion. Once in solution, these shapes become thermally dispersed and exhibit Brownian motion.
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| In order to generate particles that have a desired shape with high fidelity, we use a multi-step process: spin-coating a photosensitive resist onto a wafer, exposing to UV light with a stepper, developing, and lifting-off the particles from the wafer's surface. By repeating this process using robotic automation, we create a LithoParticle(TM) dispersions containing billions of shapes in a matter of minutes. | |
| Research on a variety of new phenomena related to LithoParticle(TM) dispersions is currently underway. | C.J. Hernandez and T.G. Mason, J. Phys. Chem. C 111 4477-4480 (2007) |