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通过通用Pickering乳液实现有序金属和半导体单壁碳纳米管的高效环形形成。

Efficient Toroidal Formation of Sorted Metallic and Semiconducting Single-Walled Carbon Nanotubes via General Pickering Emulsion.

作者信息

Yi Wenhui, Yoo Sweejiang, Jin Weiqiu, Si Jinhai, Hou Xun, Hou Jin

机构信息

Key Laboratory for Information Photonic Technology of Shaanxi Province & Key Laboratory for Physical Electronics and Devices of the Ministry of Education, School of Electronics Science and Technology, Faculty of Information and Electronics Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, P. R. China.

Department of Pharmacology, School of Basic Medical Science, Xi'an Medical University, Xi'an 710021, Shaanxi, P. R. China.

出版信息

ACS Omega. 2020 Jan 13;5(3):1394-1401. doi: 10.1021/acsomega.9b02872. eCollection 2020 Jan 28.

DOI:10.1021/acsomega.9b02872
PMID:32010810
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC6990420/
Abstract

Single-walled carbon nanotubes (SWNTs) with a toroidal/coiled geometry-shaped structure sustain innovative preference to future technology material. The toroidal shape can be used in designing nanoelectronic devices for various prospective applications such as tactile sensors, electromagnetic absorbers, and energy storage devices. In this study, we demonstrate the fabrication of toroidal geometry shapes of metallic (m-) and semiconducting (s-) SWNTs, which can be revealed by simply mixing a few solutions in the correct ratio, both oil-in-water (hydrophobic) and water-in-oil (hydrophilic) emulsion processes. Herein, the letter communicates the formation of pure m- and s-SWNTs (metallic and semiconducting) by annular, obtained from gel column chromatography, via the emulsion approach. We have also studied the surfactant sodium dodecyl sulfate removal of sorted species from a gel column by a simple method named as chloroform/methanol/water extraction.

摘要

具有环形/螺旋几何形状结构的单壁碳纳米管（SWNTs）在未来技术材料方面具有创新性优势。环形形状可用于设计各种预期应用的纳米电子器件，如触觉传感器、电磁吸收器和能量存储设备。在本研究中，我们展示了金属（m-）和半导体（s-）单壁碳纳米管环形几何形状的制备方法，通过将水包油（疏水）和油包水（亲水）乳液过程中的几种溶液按正确比例简单混合即可实现。在此，该信函传达了通过乳液法从凝胶柱色谱获得的环形纯m-和s-SWNTs（金属和半导体）的形成。我们还研究了通过一种名为氯仿/甲醇/水萃取的简单方法从凝胶柱中去除已分类物种的表面活性剂十二烷基硫酸钠。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/0620255c32e5/ao9b02872_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/ae15e76225fd/ao9b02872_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/a9868784c952/ao9b02872_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/ae69883b0f0f/ao9b02872_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/ea80a5812581/ao9b02872_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/0620255c32e5/ao9b02872_0005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/ae15e76225fd/ao9b02872_0001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/a9868784c952/ao9b02872_0002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/ae69883b0f0f/ao9b02872_0003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/ea80a5812581/ao9b02872_0004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/2831/6990420/0620255c32e5/ao9b02872_0005.jpg

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Gold Nanoparticle Coated Carbon Nanotube Ring with Enhanced Raman Scattering and Photothermal Conversion Property for Theranostic Applications.
金纳米粒子修饰的碳纳米管环具有增强拉曼散射和光热转换性能，可用于治疗诊断应用。
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Defect-Free Carbon Nanotube Coils.无缺陷的碳纳米管线圈。
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