title: Uniform hollow carbon shells: nanostructured graphitic supports for improved oxygen-reduction catalysis.
authors: Department of Chemistry and Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA.
authors: Zachary L
authors: ZL
authors: Schaefer
authors: Matthew L
authors: ML
authors: Gross
authors: Michael A
authors: MA
authors: Hickner
authors: Raymond E
authors: RE
authors: Schaak