1Canadian Institute for Advanced Research (CIFAR), Toronto, Canada.
2CIFAR's Bio-Inspired Solar Energy Program in the Edward S. Rogers Sr. Department of Electrical and Computer Engineering, University of Toronto, Canada.
3Harvard University, Cambridge, Massachusetts, USA.
4University of Glasgow, Glasgow, UK.
5Kavli Energy NanoSciences Institute, University of California, Berkeley; and at Lawrence Berkeley National Laboratory, Berkeley, USA.
6Vrije Universiteit Amsterdam, the Netherlands.
7Department of Chemistry and Biochemistry, University of California, San Diego, and president of the Mario Molina Centre for Strategic Studies on Energy and the Environment, Mexico.
0Canadian Institute for Advanced Research (CIFAR), Toronto, Canada.