Purification of Endohedral Trimetallic Nitride Fullerenes in a Single, Facile Step Ge, Zhongxin ; Duchamp, James C. ; Cai, Ting ; Gibson, Harry W. ; Dorn, Harry C. Abstract Publication: Journal of the American Chemical Society Pub Date: November 2005 DOI: 10.1021/ja055089t Bibcode: 2005JAChS.12716292G