彩色碳纤维的制备及其色彩响应性

孟丽; MDNAHIDUL ISLAM; 薛俊杰; 惠耀祖; 许培俊; 陈小明

彩色碳纤维的制备及其色彩响应性

1.
长安大学　材料科学与工程学院, 西安710064
2.
西安交通大学　机械工程学院西安710054

基金项目: 国家自然科学基金(51978072)；陕西省重点研发计划项目(2022GY-371，2023QCY-LL-26)；长安大学中央高校基本科研业务费专项资助(300102312404)

详细信息

通讯作者:
许培俊，男，1984年生，博士，教授，博士生导师，研究方向为聚合物基复合材料。　E-mail: xupeijun@chd.edu.cn

中图分类号: TB332
计量
- 文章访问数: 41
- HTML全文浏览量: 23
- 被引次数: 0
出版历程
- 收稿日期: 2024-07-29
- 修回日期: 2023-12-09
- 录用日期: 2023-12-09
- 网络出版日期: 2024-09-21

Preparation of colored carbon fiber and its color responsiveness

1.
School of Materials Science and Engineering, Chang'an University, Xi'an 710064, China
2.
School of Mechanical Engineering, Xi'an Jiaotong University, Xi'an 710054

Funds: National Natural Science Foundation of China (No.51978072); Key Research and Development Program of Shaanxi (No.2022GY-371, 2023QCY-LL-26); Supported by the Fundamental Research Funds for the Central Universities of Chang'an University (No.300102312404)

摘要

摘要: 碳纤维(CF)具有极为优异的力学性能、耐热性、良好的导电性，在航空航天、军事和体育等领域被广泛应用。然而，由于CF自身类石墨结构缺乏极性基团，导致其表面呈现出化学惰性，传统染料难以对CF上色，限制了CF在光学领域的彩色响应以及传感领域的深入研究。采用工艺简单快捷的电泳沉积法(EPD)分别在碳纤维单丝和织物表面沉积不同粒径的聚苯乙烯(PS)微球，构造不同的光子晶体结构色。利用光子晶体带隙可调的性质调控反射波长，从而在碳纤维表面实现结构色响应变化。研究发现：在外加电场作用下，PS微球组装成有序堆积的光子晶体结构。随粒径的差异可呈现出不同的结构色：如蓝色、绿色、紫色、海军蓝等。其中，采用粒径为250 nm微球排布的碳布获得了较高的色彩饱和度。通过改变微球间隙中的填充溶剂，还能够使其内部折射率发生变化，从而呈现出可逆的色彩响应性变化。
- 光子晶体 /
- 结构色 /
- 聚苯乙烯微球 /
- 电泳沉积 /
- 碳纤维
Abstract: Carbon fiber (CF) exhibits exceptional mechanical properties, thermal resistance, and electrical conductivity, making it widely utilized in aerospace, military, and sports applications. However, due to the absence of polar groups in the graphite-like structure of CF itself, the surface of CF is chemically inert, and it is difficult to color CF with traditional dyes, which limits the color response of CF in the field of optics and in-depth research in the field of sensing. Polystyrene (PS) microspheres of different sizes were deposited on the surface of carbon fiber monofilaments and fabrics by electrophoretic deposition (EPD), which is a simple and fast process. The wavelength of reflection is regulated by the adjustable photonic crystal band gap so that the structural color response can be changed on the surface of carbon fiber. It is found that PS microspheres can be assembled into ordered stacked photonic crystal structures under the action of the applied electric field. The difference in particle size can show different structural colors: such as blue, green, purple, navy blue, and so on. Among them, carbon cloth with 250 nm microspheres was used to obtain higher color saturation. By changing the filling solvent in the microsphere gap, the internal refractive index can also be changed, thus showing a reversible change in color response.
- Photonic crystal /
- Structural color /
- Polystyrene microspheres /
- Electrophoretic deposition /
- Carbon fiber

HTML全文

图 1 彩色碳纤维的制备(a)电泳沉积法制备示意图 (b)结构色产生机制示意图

Figure 1. Preparation of colored carbon fiber (a) Schematic diagram of electrophoretic deposition preparation (b) Schematic diagram of the mechanism of structural color generation

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图 2 自制聚苯乙烯微球的SEM显微形貌

Figure 2. SEM morphology of self-made polystyrene microspheres

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图 3 彩色碳纤维单丝的显微照片(a)光学显微镜 (b) SEM

Figure 3. Photomicrograph of a color carbon fiber monofilament (a) Optical microscope (b) SEM

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图 4 彩色碳纤维布的光学显微照片和SEM显微形貌(a, e) 200 nm (b, f) 250 nm (c, g) 300 nm (d, h) 350 nm

Figure 4. Optical micrographs and SEM micrographs of colored carbon fiber cloths. (a, e) 200 nm. (b, f) 250 nm. (c, g) 300 nm. (d, h) 350 nm

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图 5 彩色碳纤维的紫外-可见吸收光谱

Figure 5. UV-Vis absorption spectrum of colored CF

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图 6 彩色碳纤维的CIE谱图

Figure 6. CIE spectrum of colored CF

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图 7 彩色碳纤维颜色变化机制图

Figure 7. Color change mechanism of colored carbon fiber

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图 8 绿色碳纤维对不同溶剂的响应性变色行为

Figure 8. Discoloration behavior of green carbon fiber in response to different solvents

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表 1 不同粒径的聚苯乙烯微球Zeta电位

Table 1. Zeta potential of polystyrene microspheres with different particle sizes

category	Particle size /nm	Zeta potential /mv
PS-h	250	−32
PS-c	200	−42
PS-c	250	−35
PS-c	300	−35
PS-c	350	−37
Note: Homemade microspheres are abbreviated as PS-h and commercially purchased microspheres are labeled as PS-c.

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