Ordered Hydrophobic Organosilicates Templated by Block Copolymers

Hydrophobic organosilicates with controlled morphologies at the nanometer length scale have many potential applications in microelectronics and photonics. Here we report to use block copolymers of poly(butadiene-b-ethylene oxide) (PB-b-PEO) as templated to create 10-20 nm periodic hexagonal arrays of cylinders in hydrophobic organosilicates. The self-assembly process of the block copolymers is monitored and studied by solid-state proton NMR, transmission electron microscopy (TEM) and small angle X-ray scattering (SXAS).