Advanced Materials, Vol.28, No.37, 8271-8276, 2016
Large-Size 2D-Cu2S Nanosheets with Giant Phase Transition Temperature Lowering (120 K) Synthesized by a Novel Method of Super-Cooling Chemical-Vapor-Deposition
2D triangular beta-Cu2S nanosheets with large size and high quality are synthesized by a novel method of super-cooling chemical-vapor-deposition. The phase transition of this 2D material from beta-Cu2S to gamma-Cu2S occurs at 258 K (-15 degrees C), and such transition temperature is 120 K lower than that of its bulk counterpart (about 378 K).