期刊
JOURNAL OF CHEMICAL PHYSICS
卷 129, 期 23, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3033758
关键词
ab initio calculations; boron; catalysis; doping; electron spin polarisation; energy gap; fullerenes; ground states; molecular electronics; nanoelectronics; nitrogen
资金
- National Computational Science Alliance (NCSA)
- National Energy Research Scientific Computing Center (NERSC)
We present an ab initio study of carbon fullerenes, such as C-20, C-36, C-56, C-60, and C-68, that are substitutionally doped with transition metals coordinated to several nitrogen atoms. These capsules with porphyrinlike metal sites have remarkable electronic and spin polarizations. Additional doping by boron increases their highest occupied molecular orbital-lowest unoccupied molecular orbital gap, stabilizes their electronic structure, and causes their ground states to have higher spin multiplicity, where the spin density is spread over the capsule. These capsules could be applied in molecular electronics, catalysis, light harvesting, and nanomechanics.
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