Synthetic method, growth mechanism and electrochemical properties of PbSnS2 nanosheets for supercapacitors.

Facile hydrothermally synthesized PbSnS2 nanosheets with various morphologies were developed to obtain high performance electrode materials for supercapacitors. A precipitation-dissolution mechanism was proposed to demonstrate the growth process of PbSnS2. The as-prepared nanosheets exhibited superior capacitance (678.8 F g-1 at 50 mV s-1) and a long cycle life (95.5% capacitance retention after 100 000 cycles at 5 A g-1).