1. State Key Laboratory of Materials-Oriented Chemical EngineeringCollege of Chemical EngineeringNanjing Tech University Nanjing 211816 P.R. China
2. WA School of Mines: Minerals, Energy and Chemical EngineeringCurtin University Perth Western Australia 6845 Australia
3. National Synchrotron Radiation Research Center 101 Hsin-Ann Road Hsinchu 30076 Taiwan