The authors acknowledge support through the NSF Center for Polymer Interfaces and Macromolecular Assemblies (CPIMA: NSF-DMR-0213618). We also acknowledge the support of the National Institute of Standards and Technology, U.S. Department of Commerce, in providing the neutron research facilities used in this work. This work utilized facilities supported in part by the National Science Foundation under Agreement No. DMR-9986442. The SAXS experiments were performed at the Advanced Photon Source at Argonne National Laboratory, which is supported by the U. S. Department of Energy, Office of Science, Office of Basic Energy Sciences, under Contract No. W-31-109-ENG-38. Supporting Information is available online from Wiley InterScience or directly from the author.
Nanoporous precursor structures (see Figure) created by unimicellular star polymers in organosilicate thermosets produce morphologically controlled porous materials for semiconductor chip applications.