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题名: Multi-walled carbon nanotubes covalently functionalized by axially coordinated metal-porphyrins: Facile syntheses and temporally dependent optical performance
作者: Wang, Aijian1, 2, 3; Song, Jingbao1; Huang, Zhipeng1; Song, Yinglin4; Yu, Wang1; Dong, Huanli5; Hu, Wenping5; Cifuentes, Marie P.6; Humphrey, Mark G.6; Zhang, Long3; Shao, Jianda3; Zhang, Chi2, 3
关键词: metal-porphyrin ; axially coordinated ; multi-walled carbon nanotubes ; facile syntheses ; optical performance ; cycloaddition
刊名: NANO RESEARCH
发表日期: 2016-02-01
卷: 9, 期:2, 页:458-472
收录类别: SCI
英文摘要: Axially coordinated metal-porphyrin-functionalized multi-walled carbon nanotube (MWCNT) nanohybrids were prepared via two different synthetic approaches (a one-pot 1,3-dipolar cycloaddition reaction and a stepwise approach that involved 1,3-dipolar cycloaddition followed by nucleophilic substitution), and characterized through spectroscopic techniques. Attachment of the tin porphyrins to the surface of the MWCNTs significantly improves their solubility and ease of processing. These axially coordinated (5,10,15,20-tetraphenylporphyrinato)tin(IV) (SnTPP)-MWCNTs exhibit significant fluorescence quenching. The third-order nonlinear optical properties of the resultant nanohybrids were studied by using the Z-scan technique at 532 nm with both nanosecond and picosecond laser pulses. The results show that the nanohybrids exhibit significant reverse saturable absorption or saturable absorption when nanosecond or picosecond pulses, respectively, are employed. Improvement in the nanosecond regime nonlinear absorption is observed on proceeding to the nanohybrids and is ascribed to a combination of the outstanding properties of MWCNTs and the chemically attached metal-porphyrins.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35892
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Jiangsu Univ, Sci Res Acad, China Australia Joint Res Ctr Funct Mol Mat, Zhenjiang 212013, Peoples R China
2.Jiangnan Univ, Sch Chem & Mat Engn, China Australia Joint Res Ctr Funct Mol Mat, Wuxi 214122, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Key Lab Mat High Power Laser, Shanghai 201800, Peoples R China
4.Soochow Univ, Sch Phys Sci & Technol, Suzhou 215006, Peoples R China
5.Chinese Acad Sci, Inst Chem, Key Lab Organ Solids, Beijing 100190, Peoples R China
6.Australian Natl Univ, Res Sch Chem, Canberra, ACT 2601, Australia
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