title: Serial ionic exchange for the synthesis of multishelled copper sulfide hollow spheres.
authors.affiliation: Department of Chemical and Biomolecular Engineering and KAUST-NUS GCR Program, Faculty of Engineering, National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260, Singapore.
authors.forename: Shenglin
authors.initials: S
authors.lastname: Xiong
authors.forename: Hua Chun
authors.initials: HC
authors.lastname: Zeng