碳纳米管
荧光
氧气
材料科学
发光
红外线的
光化学
碳纤维
活性氧
纳米技术
辐照
化学
光电子学
光学
有机化学
生物化学
复合数
物理
复合材料
核物理学
作者
Yoko Iizumi,Masako Yudasaka,Jae-Ho Kim,Hajime Sakakita,Takahito Takeuchi,Toshiya Okazaki
标识
DOI:10.1038/s41598-018-24399-8
摘要
Abstract Chemical modification of carbon nanotube surface can controllably modulate their optical properties. Here we report a simple and effective synthesis method of oxygen-doped single-walled carbon nanotubes (o-SWCNTs), in which a thin film of SWCNTs is just irradiated under the UV light for a few minutes in air. By using this method, the epoxide-type oxygen-adducts (ep-SWCNTs) were produced in addition to the ether-type oxygen-adducts (eth-SWCNTs). The Treated (6, 5) ep-SWCNTs show a red-shifted luminescence at ~1280 nm, which corresponds to the most transparent regions for bio-materials. Immunoassay, fluorescence vascular angiography and observation of the intestinal contractile activity of mice were demonstrated by using the produced o-SWCNTs as infrared fluorescent labels and imaging agents.
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