CNT composition, CNT layer structure, liquid crystal display device, method of preparing CNT layer structure, and method of preparing liquid cystal display device
A composition and structure technology, applied in the direction of carbon compounds, specific nanostructure formation, layered products, etc., can solve problems such as poor adhesion
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Embodiment 1～3 and comparative example 1
[0093] Embodiment 1~3 and comparative example 1: the preparation of CNT composition
[0094] 15 milligrams (mg) of single-walled CNTs (Hanwha Nanotech, product number ASP-100F) and 15 mg of a dispersant were mixed, and then 30 milliliters (ml) of a dispersion medium was added thereto. The types of the dispersant and dispersion medium are shown in Table 1. Then, the resultant was dispersed at 210 watts (W) for 9 minutes by using an ultrasonic generator (Jeio Tech, Model ULH-700S), and the dispersed product was rotated at 10000 rpm by using a centrifuge (Thermo Scientific Heraeus Multifuge, Model X3R). Centrifuge at 10 minutes per minute (rpm), and collect the precipitate to obtain a properly dispersed CNT composition.
[0095] Table 1
[0096] type of dispersant
Embodiment 1
[0097] Evaluation Example 1: Quality Evaluation of CNT Layer Structure (1)
[0098] The CNT compositions prepared according to Example 1 and Comparative Example 1 were each coated on a glass substrate by using a spray coater (NCS Co., Ltd, Model ncs-400) at a temperature of 120° C. to form a CNT layer. Then, the CNT layer formed on the glass substrate was immersed in water for about 10 minutes and dried.
[0099] In this case, the surface of the CNT layer structure before and after washing with water was photographed by using a digital camera (Olympus, Model C5050). The photos taken are shown in image 3 middle. image 3 (a) a picture showing the surface of a CNT layer structure prepared using the CNT composition prepared according to Comparative Example 1, and image 3 (b) A picture showing the surface of a CNT layer structure prepared using the CNT composition prepared according to Example 1.
[0100] refer to image 3 (a), in the case of the CNT composition prepared ...
Embodiment 2
[0102] Evaluation example 2: Quality evaluation of CNT layer structure (2)
[0103] A CNT layer structure was prepared in the same manner as in Evaluation Example 1, except that the CNT compositions prepared according to Examples 1 to 3 were each coated on a thickness outside the SiN substrate.
[0104] In this case, the surface of the CNT layer structure before and after washing with water was photographed by using a laser microscope (Olympus, Model OLS 3000; 408 nm, two-dimensional (2D)). The image of the surface of the CNT layer structure before washing is in Figure 4 Images of the surface of the CNT layer structure in the first (top) row of and after washing are in Figure 4 in the second (bottom) row of the . Figure 4 (a) an image showing the surface of a CNT layer structure prepared using the CNT composition prepared according to Example 1, Figure 4(b) an image showing the surface of a CNT layer structure prepared using the CNT composition prepared according to...
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