Graphene oxide (GO) can be reduced to graphene in a normal aerobic setup under ambient conditions as mediated by microbial respiration of Shewanella cells. The microbially-reduced graphene (MRG) exhibited excellen...Graphene oxide (GO) can be reduced to graphene in a normal aerobic setup under ambient conditions as mediated by microbial respiration of Shewanella cells. The microbially-reduced graphene (MRG) exhibited excellent electrochemical properties. Extracellular electron transfer pathways at the cell/GO interface were systematically investigated, suggesting both direct electron transfer and electron mediators are involved in the GO reduction.展开更多
基金Y. L. acknowledges the financial support of this work in part by national science foundation (NSF) (No. CBET 1034222) and faculty research funds granted by the University of California, Santa Cruz. XPS was performed at the Center for Nanoscale Systems at Harvard University, which is supported by the NSF (No. ECS-0335765). We thank H. Lin of Harvard University for technical assistance. Work at Lawrence Livermore National Laboratory was conducted under Contract No. DE-AC52-07NA27344.
文摘Graphene oxide (GO) can be reduced to graphene in a normal aerobic setup under ambient conditions as mediated by microbial respiration of Shewanella cells. The microbially-reduced graphene (MRG) exhibited excellent electrochemical properties. Extracellular electron transfer pathways at the cell/GO interface were systematically investigated, suggesting both direct electron transfer and electron mediators are involved in the GO reduction.