Weiwei Liu, Menghua Zhu, Jinghua Liu, Wenjuan Hu, Xin Li,* and Jian Liu*. Synthesis of Dense MoS2 Nanosheets Layer onto Hollow Carbon Sphere and Applications for Supercapacitor and Electrochemical Hydrogen Evolution Reaction. Inorganic Chemistry Frontier, 2018, 5, 2198-2204.