1 Supporting Information Self-assembled nitrogen doped fullerenes and their catalysis for fuel cell and rechargeable metal-air battery applications Seung Hyo Noh, a Choah Kwon, a Jeemin Hwang, a Takeo Ohsaka, b Beom-Jun Kim, c Tae-Young Kim, c Young-Gi Yoon, c Zhongwei Chen, d Min Ho Seo, c* and Byungchan Han, a** a Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, 03722, Republic of Korea b Research Institute for Engineering, Kanagawa University. 3-27-1, Rokkakubashi, Kanagawa-ku, Yokohama, Kanagawa, 221-8686, Japan c Hydrogen & Fuel Cell Center, New & Renewable Energy Research Division, Korea Institute of Energy Research (KIER), 20-41, Sinjaesaengeneogi-ro, Haseo-myeon, Buan-gun, Jellabuk-do, Korea d Department of Chemical Engineering, Waterloo Institute for Nanotechnology, Waterloo Institute of Sustainable Energy, University of Waterloo, 200 University Ave. W, Waterloo, ON, N2L 3G1, Canada * Corresponding author Tel: +82-063-581-1681 Fax: +82- 063-581-1630 E-mail address: foifrit@kier.re.kr ** Corresponding author Tel: +82-2-2123-5759 Fax: :+82-2-321-6401 E-mail address: bchan@yonsei.ac.kr Electronic Supplementary Material (ESI) for Nanoscale. This journal is © The Royal Society of Chemistry 2017