Versatile coordination chemistry towards multifunctional carbon nanotube nanohybrids

被引:57
作者
Guldi, DM
Rahman, GMA
Qin, SH
Tchoul, M
Ford, WT
Marcaccio, M
Paolucci, D
Paolucci, F
Campidelli, S
Prato, M
机构
[1] Univ Erlangen Nurnberg, Inst Phys Chem, D-91058 Erlangen, Germany
[2] Oklahoma State Univ, Dept Chem, Stillwater, OK 74078 USA
[3] Univ Bologna, Dipartimento Chim G Ciamician, I-40126 Bologna, Italy
[4] Univ Trieste, Dipartimento Sci Farmaceut, I-34127 Trieste, Italy
关键词
charge transfer; donor-acceptor systems; nanotubes; porphyrinoids; radical ions;
D O I
10.1002/chem.200500933
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Dispersible single-walled carbon nanotubes grafted with poly(4-vinylpyridine), SWNT-PVP, were tested in coordination assays with zinc tetraphenylporphyrin (ZnP). Kinetic and spectroscopic evidence corroborates the successful formation of a SWNT-PVP.ZnP nanohybrid. Within this SWNT-PVP-ZnP nanohybrid, static electron-transfer quenching (2.0 +/- 0.1) x 10(9) s(-1) converts the photoexcited-ZnP chromophore into a radical-ion-pair state with a microsecond lifetime, namely one-electron oxidized-ZnP and reduced-SWNT.
引用
收藏
页码:2152 / 2161
页数:10
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