Top-down fabrication of nano-scaled Bi2Se0.3Te2.7 associated by electrochemical Li intercalation†
Abstract
A convenient top-down method for preparation of Bi2Se0.3Te2.7 crystalline nano-particles has been demonstrated. It contains two steps: (1) lithium was intercalated between the van der Waals bonded quintuple-layers by electrochemical process inside lithium ion batteries with precisely controlled speed and amount; (2) subsequent