Author Affiliations

Chris Siefe,^1,* Randy D. Mehlenbacher,¹ Chunte Sam Peng,^2,3 Yunxiang Zhang,^2,3 Stefan Fischer,¹ Alice Lay,⁴ Claire A. McLellan,¹ A. Paul Alivisatos,^5,6,7,8 Steven Chu,^2,3 and Jennifer A. Dionne¹

¹Materials Science and Engineering, Stanford University, Stanford, CA 94305, USA

²Physics, Stanford University, Stanford, CA 94305, USA

³Molecular and Cellular Physiology, Stanford University, Stanford, CA 94305, USA

⁴Applied Physics, Stanford University, Stanford, CA 94305, USA

⁵Chemistry, University of California, Berkeley, Berkeley, CA 94720, USA

⁶Materials Science and Engineering, University of California, Berkeley, Berkeley, CA 94720, USA

⁷Materials Science Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA

⁸Kavli Energy NanoScience Institute, Berkeley, CA 94720, USA

^*Corresponding author: csiefe@stanford.edu