[1] Univ Calif Riverside, Dept Chem & Environm Engn, Riverside, CA 92521 USA
[2] Univ Calif Riverside, Program Mat Sci & Engn, Riverside, CA 92521 USA
[3] Univ Calif Riverside, UCR Ctr Catalysis, Riverside, CA 92521 USA
[4] Univ Calif Irvine, Dept Chem Engn & Mat Sci, Irvine, CA 92697 USA
[5] Univ Calif Irvine, Dept Phys & Astron, Irvine, CA 92697 USA