Defect Graphene as a Trifunctional Catalyst for Electrochemical Reactions Jia, Yi ; Zhang, Longzhou ; Du, Aijun ; Gao, Guoping ; Chen, Jun ; Yan, Xuecheng ; Brown, Christopher L. ; Yao, Xiangdong Abstract Publication: Advanced Materials Pub Date: November 2016 DOI: 10.1002/adma.201602912 Bibcode: 2016AdM....28.9532J