Solvothermal Synthesis of Pyrite FeS2 Nanocubes and Their Superior High Rate Lithium Storage Properties.

The title nanocubes with particle sizes of around 80—120 nm are solvothermally synthesized from mixtures of FeCl2, sulfur powder, 1,2-dodecanediol, and oleylamine (autoclave, 180 °C, 18 h), and characterized by powder XRD, SEM, TEM, Raman spectroscopy, and electrochemical measurements.