The K2S6 solution for adsorption measurements was prepared by mixing potassium sulfide (K2S) and sulfur with a molar ratio of 1:5 in dimethyl ether (DME). 5 mg WSA-W2C@NC, W2C@NC, and NC were added into the 2 ml 0.02 M K2S6 solution, respectively, with the blank K2S6 solution as a reference.
Free full text: Click here