摘要
資訊科技(Information technology，IT；包括電腦與通訊)、生物科技(biotechnology，BT)及奈米科技(Nanotechnology，NT)，是二十一世紀最俱優勢的三大科技，奈米科技裡像是量子尺寸效應或是表面效應(表面積和體積比大)會所造成一些有趣且新奇的現象。
有些文章也證實了，半導體材料加入微小的金屬粒子時，參雜奈米金屬半導體的系統會有光特性的增益，在此論文中，以電化學的方式合成金和氧化鋅奈米粒子。
為了分析樣品，我們運用了多種不同的技術像是穿透式電子顯微鏡(分析粒子尺寸大小和結構)、X光繞射(分析尺寸大小與結構) 、吸收光譜(測量其光學特性)和光致螢光(研究氧化鋅內部的發光效應)
在計算方面Drude模型去計算吸收光譜並和實驗比較。

Abstract
Information science and technology ( IT; Including computer and communication), Biotechnology (BT) and Nanotechnology (NT), are the three main technologies dominant in the 21st century. In nanotechnology, quantum size effects or surface effect (due to enhanced surface to volume ratio) can cause many new and interesting phenomena.
In the literature there is also evidence that addition of small metal particles to semiconductors can enhance the optical properties of these semiconductor –nanoparticle hybrid systems. In this thesis, an electrochemical method is used to fabricate Au and ZnO nanoparticles.
To characterize the samples we use various techniques like TEM (for the particle size and crystal structure), XRD (for structure, particle size analysis), Absorbance spectroscopy (for analyzing the optical properties of these systems), Photoluminescence (to study the mechanism of internal emission in the ZnO nanoparticles)
On the theoretical part, some calculations based on the Drude model we computed and compared to the experimental absorbance spectrum of the samples.

目錄
中文摘要
英文摘要
第一章
簡介
引言 4
第二章
測量系統與原理介紹
奈米粒子的合成 5
電化學系統 6
界面活性劑 7
其他藥品 8 電解液製備 9
電極的處理與製作 9
Ｘ-ray繞射儀 (X-ray diffraction) 10
吸收光譜 (Absorption Spectrum) 原理 14
光致螢光(Photoluminescence，PL )原理 16
穿透式電子顯微鏡(TEM) 16
陰極發光(Cathodoluminescence，CL ) 18
第三章
氧化鋅粒子量測與分析
氧化鋅的合成 19
氧化鋅粒子的Ｘ- ray分析 20
計算粒子的晶格常數 24
TEM試片製備 25
TEM-selected area electron diffraction (SAED) 28
暗場與亮場TEM影像 31
氧化鋅粉末的光致螢光樣品置備 32
氧化鋅光致螢光量測 33
Micro PL量測 35
氧化鋅吸收光譜量測 38
掃描式電子顯微鏡(SEM)和陰極發光量測 39
第四章
金奈米粒子的測量與分析
利用X-ray 分析粒子尺寸大小 42
金粒子吸收光譜 47
金奈米粒子的吸收光譜計算 48
固定粒子尺寸改變介電質 52
固定介值的介電係數改變粒子的尺寸 57
第五章
結論 63
第六章
未來的研究與應用
利用金奈米粒子增強氧化鋅光致螢光訊號 64
理論計算部份 67 2
參考文獻 68
附錄 70
Au nano particles 75
ZnO particles 78
Ag nano particles 81

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