[1] Natl Renewable Energy Lab, Natl Bioenergy Ctr, Denver, CO USA
[2] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
[3] Lawrence Berkeley Natl Lab, Berkeley, CA USA
[4] Columbia Univ, New York, NY USA
[5] SLAC Natl Accelerator Lab, MS 31, Menlo Pk, CA USA
[6] Rensselaer Polytech Inst, Dept Chem & Chem Biol, Troy, NY USA
[7] Rensselaer Polytech Inst, Baruch 60 Ctr Biochem Solar Energy Res, Troy, NY USA
[8] Lawrence Berkeley Natl Lab, Chem Sci Div, Berkeley, CA USA
[9] Brookhaven Natl Lab, Condensed Matter Phys & Mat Sci Dept, Upton, NY 11973 USA