崁入式網印金屬網格電極製作於有機發光二極體之應用

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姓名

連育維(Lian Yuwei) 查詢紙本館藏

畢業系所

能源工程研究所

論文名稱

崁入式網印金屬網格電極製作於有機發光二極體之應用

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摘要(中)

本研究以適用於量產的網版印刷技術為基礎，開發能在室溫下、大氣環境中、於可撓式軟性基板上製作低表面粗糙度之崁入式金屬網格透明電極的製程技術。為了進一步降低電極表面粗糙度及增加元件應用時之電流擴散效應，在銀網電極表面使用導電高分子PEDOT:PS S作為修飾平坦層，此層同時具有降低OLED元件應用時可能的漏電流及短路現象。本研究所獲致之軟性銀網性質檢測結果顯示，無論是透光度、片電阻、表面粗糙度、抗彎曲機械等特性皆優於ITO電極；以此透明電極，作成性質之白光OLED元件，其電性與發光特性皆不遜於ITO電極。

摘要(英)

This study aims on developing a scalable, screen-printing based process for fabricating low surface roughness, embedded metal-mesh transparent electrode on a flexible substrate. This method takes the advantages that all fabricating processes are exectable at room temperature and in the ambient environment. To further reduce the the electrode’s surface roughness and increase the effect of current diffusion during the device’s lighting process, a surface modification layer of conducting polymer, PEDOT:PSS, is used. This layer also helps to impede current leakage and avoid short circuit at the lighting duration. Measurements show that the obtained embedded silver-mesh electrode has excellent properties in transmittance, sheet resistance, surface roughness, and mechanical bending characteristics, superior to that of ITO electrode. As serving as the anode in a white OLED device, the present metal-mesh based device also demonstrates better electrical and
luminescent characteristics than that based on the ITO electrode.

關鍵字(中)

★ 網版印刷
★ 崁入式金屬網格電極
★ 有機發光二極體

關鍵字(英)

論文目次

摘要 1
Abstract ii
誌謝 iii
目錄 iv
圖目錄 vii
表目錄 x
第一章緒論 - 1 -
1.1前言 - 1 -
1.2研究目的與方法 - 3 -
第二章文獻回顧 - 4 -
2.1 有機發光二極體簡介 - 4 -
2.2 有機發光二極體工作原理 - 5 -
2.3 導電高分子 (PEDOT:PSS) - 7 -
2.4 石墨稀 (Graphene) - 12 -
2.5 銀奈米線 (AgNWs) - 15 -
2.6 金屬導線 (Metal mesh) - 17 -
2.6-1 真空鍍膜電極圖案化 - 18 -
2.6-2 雷射燒結電極圖案化 - 21 -
2.6-3 印刷製程電極圖案化 - 22 -
2.6-4 奈米壓印電極圖案化 - 26 -
2.7 傳承與創新 - 28 -
第三章實驗原理與實驗步驟 - 29 -
3.1 實驗用品及相關材料 - 29 -
3.2 實驗設計與目的 - 32 -
3.2-1 Ag mesh圖案設計 - 33 -
3.2-2 OLED元件結構 - 34 -
3.3 Ag mesh-UV resin/PET電極製作 - 35 -
3.3-1 網印前置作業 - 35 -
3.3-2 網印Ag mesh - 36 -
3.3-3 Ag mesh-UV resin/PET電極完成 - 38 -
3.3-4 塗佈PEDOT:PSS - 40 -
3.4 有機發光二極體之白光OLED元件製作 - 41 -
第四章結果與討論 - 43 -
4.1 Ag mesh 圖案 - 43 -
4.1-1 Ag mesh 圖案完整度檢測 - 44 -
4.1-2 Ag mesh 圖案線寬，厚度檢測 - 45 -
4.1-3 Ag mesh 圖案覆蓋率 - 48 -
4.2 崁入製程-材料特性分析 - 49 -
4.3 Ag mesh-UV resin/PET 電極分析 - 52 -
4.3-1 崁入前後電性檢測 - 52 -
4.3-2 Ag mesh-UV resin/PET光穿透度量測 - 54 -
4.4 PEDOT:PSS特性分析 - 56 -
4.4-1 PEDOT:PSS親疏水性量測 - 56 -
4.4-2 PEDOT:PSS薄膜厚度、光穿透度量測 - 58 -
4.4-3 PEDOT:PSS電性量測 - 64 -
4.4-4 表面平整度檢測 - 66 -
4.4-5 UPS特性分析 - 81 -
4.5 PEDOT:PSS/Ag mesh-UV resin/PET應用於OLED元件 - 83 -
4.6 Bending Test特性分析 - 91 -
第五章結論 - 97 -
參考文獻 - 99 -

參考文獻

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指導教授

何正榮

審核日期

2016-8-30

推文