Absolute ethanol and a mixed solution of ethanol and benzene with the volume ratio of 1:1 are used as the solvents, and carbon disulfide and sulfur powders as the sulfur ions source, respectively.

• 分别以无水乙醇及体积比为1:1的无水乙醇与苯的混合溶液为溶剂，以二硫化碳和单质硫为硫源。