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三种不同试剂对碳纳米管透明导电薄膜的表面处理机制

Mechanism of surface treatments on carbon nanotube transparent conductive films by three different reagents.

作者信息

Gu Ze-Zeng, Jia Song-Lin, Li Guangfen, Li Chunqing, Wu Yan-Qi, Geng Hong-Zhang

机构信息

State Key Laboratory of Separation Membranes and Membrane Processes, Key Laboratory of Advanced Fibers and Energy Storage, School of Material Science and Engineering, Tianjin Polytechnic University Tianjin 300387 China

出版信息

RSC Adv. 2019 Jan 23;9(6):3162-3168. doi: 10.1039/c8ra09443h. eCollection 2019 Jan 22.

DOI:10.1039/c8ra09443h
PMID:35518977
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9060892/
Abstract

Transparent conductive films (TCFs) were fabricated a spray-coating method with a solution prepared by dispersing single-walled carbon nanotubes (SWCNTs) in deionized water with sodium dodecylbenzene sulfonate (SDBS) as surfactant. We explored the mechanism of HNO treatment by treating TCFs with different reagents. After being treated with different concentrations of reagents by HNO, HCl, and NaNO to lower the sheet resistance of TCFs, the properties of TCFs were further characterized by a UV-VIS spectrophotometer, a four-point probe method, atom force microscopy, X-ray photoelectron spectroscopy, and Raman spectroscopy. In this study, we conclude that the HNO treatment results in a decrease in the sheet resistance of the TCFs due to the combined effect of acidity and oxidizability. The strong interaction of the strong acidity and strong oxidizing property of HNO causes the SDBS to be removed. To further improve the film conductivity of the TCFs, the experimental conditions of the HNO treatment were optimized.

摘要

采用喷雾涂层法，以十二烷基苯磺酸钠（SDBS）为表面活性剂，将单壁碳纳米管（SWCNTs）分散在去离子水中制备溶液，从而制备透明导电薄膜（TCFs）。我们通过用不同试剂处理TCFs来探究HNO处理的机制。在用HNO、HCl和NaNO以不同浓度试剂处理以降低TCFs的表面电阻后，通过紫外可见分光光度计、四点探针法、原子力显微镜、X射线光电子能谱和拉曼光谱对TCFs的性能进行了进一步表征。在本研究中，我们得出结论，由于酸度和氧化性的综合作用，HNO处理导致TCFs的表面电阻降低。HNO的强酸性和强氧化性的强相互作用导致SDBS被去除。为了进一步提高TCFs的薄膜导电性，对HNO处理的实验条件进行了优化。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/d6645d40d0e2/c8ra09443h-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/8225b2a66523/c8ra09443h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/c99272066d65/c8ra09443h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/c841c3b2e099/c8ra09443h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/2be7653ab3b0/c8ra09443h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/647a6da2d759/c8ra09443h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/aed8fdc701cf/c8ra09443h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/d6645d40d0e2/c8ra09443h-f7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/8225b2a66523/c8ra09443h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/c99272066d65/c8ra09443h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/c841c3b2e099/c8ra09443h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/2be7653ab3b0/c8ra09443h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/647a6da2d759/c8ra09443h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/aed8fdc701cf/c8ra09443h-f6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/568a/9060892/d6645d40d0e2/c8ra09443h-f7.jpg

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本文引用的文献

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