[1] Univ Liverpool, Dept Chem, Crown St, Liverpool L69 3BX, Merseyside, England
[2] Univ Liverpool, Ctr Mat Discovery, Liverpool L69 3BX, Merseyside, England
[3] Tianjin Univ, Sch Chem Engn & Technol, High Pressure Adsorpt Lab, Tianjin 300072, Peoples R China