Synthesis of nitrogen-doped fullerenes by laser ablation

被引:48
作者
Ying, ZC
Hettich, RL
Compton, RN
Haufler, RE
机构
[1] OAK RIDGE NATL LAB,OAK RIDGE,TN 37831
[2] UNIV TENNESSEE,DEPT CHEM,KNOXVILLE,TN 37996
[3] UNIV TENNESSEE,DEPT PHYS,KNOXVILLE,TN 37996
[4] COMSTOCK INC,OAK RIDGE,TN 37830
关键词
D O I
10.1088/0953-4075/29/21/007
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Fullerene molecules doped with nitrogen atoms were synthesized using laser ablation of graphite in a heated nitrogen gas. Laser desorption/ionization time-of-flight and Fourier transform mass spectroscopic studies revealed the presence of C-m-N-1(+) ions (m = 60, 70, etc) as well as pure carbon fullerene ions C-m(+). The presence of nitrogen in the product was confirmed by isotope labelled experiments using N-15(2). X-ray photoemission spectroscopy measurements showed the nitrogen 1s level at 400.7 eV.
引用
收藏
页码:4935 / 4942
页数:8
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