奈米金屬粒子的製備及其自組成薄膜之電性研究

Synthesis of Metallic Nanoparticles and Electrical Characteristics of their Self-Assembled Films

朱思明(Szu-Ming Chu)

指導教授 ： 許經夌

中原大學/理學院/應用物理研究所/碩士(2006年)

https://doi.org/10.6840/CYCU.2006.00459

摘要

本論文是使用雷射消熔法與氣相凝結法製備奈米金屬粒子，並探討其自組成薄膜的電學特性。我們使用DLS、SEM與AFM來測量製備的奈米金屬粒子粒徑分佈，觀察到奈米粒子會因為界面活性劑濃度的增加而粒徑降低，也會因為界面活性劑的種類而使粒徑分佈有所不同。
我們利用電流與電壓的I-V曲線圖，來分析半高寬V1/2與三次微分過零點伏特值V3,0，並透過計算出穿隧接面數N值，來驗證文獻中模擬的方法是否具有一致性。而實驗的結果顯示，對一個無序的接點陣列而言，其模擬的方法是具有瑕疵的。

關鍵字

界面活性劑 ； 電性量測 ； 氣相凝結法 ； 雷射消熔法 ； 奈米粒子

並列摘要

This study applied laser ablation method and gas condensation method to produce metallic nanoparticles and then investigated the electrical characteristics of self-assembled nanoparticle films. After applying dynamic light scattering (DLS), scanning electron microscopy (SEM) and atomic force microscopy (AFM) to measure the size distribution of nanoparticles, we discovered that the size of the nanoparticles decreases as the surfactant concentration increases. Furthermore, it varies under different surfactants.
This paper utilizes the I - V curve to analyze the half-width V1/2 and the third zero-crossing voltage V3,0 . Moreover, through the process of calculating the number of tunnel junctions N, we proved that the results accord with the simulation method based on references. Nevertheless, the results show that, in the point of disorder junction array, the simulation method still needs some corrections.

並列關鍵字

surfactant ； laser ablation method ； nanoparticle ； electrical characteristics ； gas condensation method

參考文獻

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