以噴塗法製備透明導電膜於軟性耐熱基板

本論文主要以噴塗法（Spray coating）將單壁奈米碳管(SWCNTs)塗佈於聚醚碸(Polyethersulfone, PES)表面形成透明導電膜。採用具高光學穿透率、耐高溫及抗紫外線性能之聚醚碸利用熱壓與退火處理方式製作出軟性耐熱塑膠基板。為使用單壁奈米碳管作為透明導電膜，論文中以超音波震盪及硫酸/硝酸混合酸液對單壁奈米碳管表面進行純化處理，去除碳的雜質及金屬觸媒等不純物。純化後的單壁奈米碳管以超音波震盪並配合愛玉果膠(jelly fig pectin)進行分散，使單壁奈米碳管表面被愛玉果膠包覆，造成單壁奈米碳管間的凡得瓦爾力下降，使其均勻分散於水溶液中，隨後將其噴塗於軟性耐熱PES基板表面，其中單壁奈米碳管的分散機制亦於文中被提出。噴塗後之單壁奈米碳管在PES基板表面形成導電網絡，製作出可撓式軟性耐熱透明導電基板，經彎曲測試後，發現其附著度相當好。論文中輔以可見光譜儀分析奈米碳管透明導電膜的光學特性，並藉由四點探針法與表面電阻的測量系統量測透明導電膜的電性質。

關鍵字

單壁奈米碳管；噴塗法；聚醚碸愛玉果膠

並列摘要

Single-walled carbon nanotubes (SWCNTs) were purified and dispersed first, and then the SWCNTs were sprayed on the surface of Polyethersulfone (PES) as the transparent conductive layer. High optical transmittance, high thermal-resistant and anti-ultraviolet radiation PES substrate was prepared by hot-melting and thermal annealing process. The highly purified SWCNTs were obtained by treated under solution of sulfuric acid mixed with nitric acid at a ratio of 3:1 to remove the amorphous carbon and the metal impurities from the SWCNTs. SWCNTs were dispersed separately with jelly fig pectin solution under sonication before spraying the purified SWCNTs onto flexible PES substrate. The mechanism for the dispersion of the SWCNTs was proposed as well. The optical properties of the SWCNTs-coated PES substrate were investigated by ultraviolet-visible (UV-Vis) spectrometer. The adhesive ability between the SWCNTs and PES substrate was tested by bending and the surface quality of the coating layer was observed by optical microscope. The sheet resistance of the transparent conductive layer was determined by a four point probe method with a surface resistance measurement system in this study.

並列關鍵字

Single-walled carbon nanotubes (SWCNTs) ； Polyethersulfone(PES) ； spray coating ； jelly fig pectin

參考文獻

[7] 可撓式塑膠基板拓展新應用領域，光連雙月刊37期2002年1月p. 52.

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以噴塗法製備透明導電膜於軟性耐熱基板

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