选择冲洗法在碳纳米管内部填充金属粒子英文.pdfVIP

第 23卷 　第 1期 新 　型 　炭 　材 　料 Vo l. 23　No. 1 　 2008年 3月 N EW CARBON MA TER IAL S M ar. 2008 　 A rticle ID : ( 2008) 0 100 1704 Selective f illing of carbon nanotubes w ith m eta ls by selective wa sh ing FU Q iang, 　G ise la W e inb erg, 　SU D ang sh eng ( F ritzH aberInstitu t derM PG, F a radayw eg 4 6, D 14 195 B erlin, Germ any) A b stract: 　A stra igh tforw ard m e thod is p resen ted to p roduce ca ta ly st p artic lef illed carbon nanotubes. B ased on cap illa rity and su rface ten sion, a s im p le stra tegy w as deve lop ed to se lec tive ly f ill carbon nanotubes w ith Fe, C o, and N i sp ec ies u sing a tw ostep m ethod con s isting of im p regna tion and se lec tive w ash ing. B y chos ing the im p regnation and w ash ing so lu tion p rop erly, m e ta l p artic les are p roduced exc lu s ive ly in s ide the nanotubes. STEM and SEM investiga tion s conf irm the location of these m eta l p artic les is on ly in s ide the carbon nanotubes. Keywords: 　C arbon nano tubes; C ap illarity; S e lective f illing; M e ta l p artic les CL C num ber: 　TB 333　TB 383 D ocum en t code: 　A [ 8, 9 ] 1　In troduc tion va lu e a t 100200mN /m . The resu lts have ind ica