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Laser irradiated vortex fluidic mediated synthesis of luminescent carbon nanodots under continuous flow†
Reaction Chemistry & Engineering ( IF 3.4 ) Pub Date : 2018-01-15 00:00:00 , DOI: 10.1039/c7re00197e
Xuan Luo 1, 2, 3, 4, 5 , Ahmed Hussein Mohammed Al-Antaki 3, 4, 5, 6, 7 , Kasturi Vimalanathan 3, 4, 5, 6, 7 , Jillian Moffatt 5, 8, 9, 10 , Kun Zheng 5, 11, 12, 13, 14 , Yichao Zou 5, 12, 13, 15 , Jin Zou 5, 11, 12, 13, 15 , Xiaofei Duan 5, 16, 17, 18 , Robert N. Lamb 5, 18, 19, 20 , Shujun Wang 5, 13, 21, 22 , Qin Li 5, 13, 21, 22 , Wei Zhang 1, 2, 3, 4, 5 , Colin L. Raston 3, 4, 5, 6, 7
Affiliation  

Carbon nanodots (CDs) with size dependent fluorescence are synthesized from multi-walled carbon nanotubes (MWCNTs) under continuous flow in a vortex fluidic device (VFD) when irradiated by a pulsed laser with a wavelength of 1064 nm, without subsequent passivation procedures. The CDs have a relatively narrow size distribution averaging ca. 6 nm in diameter, and have low cytotoxicity and high colloidal stability with the highest emission intensity of the solution at 450 nm under a 345 nm excitation wavelength. Further downstream processing on the as-processed CDs revealed tunability of the emission from 450 nm to 325 nm.

中文翻译:

连续流下激光辐照涡流介导的发光碳纳米点的合成

当在波长为1064 nm的脉冲激光辐照下,由多壁碳纳米管(MWCNT)在涡流流体装置(VFD)中连续流动下,通过多壁碳纳米管(MWCNT)合成碳纳米点(CD),而无需随后的钝化程序。CD的大小分布相对较窄,平均约为。直径为6 nm,具有低的细胞毒性和高的胶体稳定性,在345 nm的激发波长下,在450 nm处溶液的发射强度最高。在加工后的CD上进行的进一步下游处理显示了从450 nm到325 nm的发射可调性。
更新日期:2018-01-15
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