Steve Kuei ’12


Chemical and Biological Engineering

Project Title

Polymer Crystallization on Curved Surfaces

Presentation Link

View Steve's Presentation

My internship in Professor Lynn Loo’s laboratory focused on organic solar cells. In previous work, it has been shown that substrates with curved surfaces can induce preferential alignment in phase separated polymer domains. Continuing this idea, my work this summer used buckled structures made of Norland Optical Adhesive (NOA) as a substrate with both mean and gaussian curvature. I crystallized poly(3-(2′-ethyl)-hexylthiophene) (P3EHT), which has a fibrillar structure, onto these structures and analyzed them using atomic force microscopy.

Internship Year


Project Category

Climate and Energy


Loo Group, Princeton University


Lynn Loo