Please use this identifier to cite or link to this item: http://hdl.handle.net/11455/90491
標題: Integration of Elastic and Inelastic Scattering Spectroscopic Systems
彈性與非彈性散射光譜系統的整合
作者: Jyun-Hao Chen
陳俊皓
關鍵字: 彈性散射光譜
拉曼散射光譜
Elastic Scattering Spectroscopy
Raman Scattering Spectroscopy
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摘要: 奈米科技廣泛應用於各領域中,為了探討物質在奈米尺度下呈現的特殊性質,檢測技術在奈米科技的發展中佔有舉足輕重的地位。多元的檢測技術中,光學檢測方式對樣品不具破壞性且提供簡單、快速、定性與定量的量測結果。   由於商用光譜儀器的架構大多無法依實驗需求進行更變,雖然系統量測結果相當穩定,但是使用的自由度卻受到限制。本研究以光譜法作為基礎,自行設計與搭設一套光學系統架構,用於整合彈性與非彈性散射光譜系統,並將系統的校正、安裝與操作制定一套標準步驟,提升穩定度。此系統能夠藉由切換鹵素燈或雷射作為光源入射樣品,探討樣品不同種類的光譜資訊,此外更能夠依照實驗需求改良架設,提高使用上的自由度。   目前以彈性散射光譜的架設掃描汞燈光譜,由於系統受限於軟體控制光柵轉動角度,造成光譜顯示的基本單位為1 nm。以拉曼散射光譜的架設掃描汞燈光譜的情況,光譜特徵峰值的半高寬為0.1 nm。除了利用汞燈光譜測試系統解析度外,更進一步量測液態直徑50 nm金粒子的彈性散射光譜,與液態樣品(丙酮、異丙醇及水)的拉曼光譜,驗證系統對彈性與拉曼散射光譜量測的可行性。
Nanotechnology has been widely used in interdisciplinary fields. In order to find out more information of the characteristics in nanomaterials, the detection technologies are more and more important in the development of nanotechnology. In detection technology, the optical detection provides a nondestructive, simple, fast, qualitative and quantitative measurement. Since the structures of most commercial instruments are considerably stable, however, they could not satisfy various experimental conditions. The purpose of this research is to design and build up a system which has integration of elastic and inelastic scattering spectroscopy system. In order to enhance the stability of the system, the standard procedures for calibrating, installing, and operating were designed. The light source of the system can be switched halogen lamp or laser to obtain different spectral information of samples. Furthermore, we can easily change the setting of system to meet our demand in different experiments. Because the system is limited by the software controlling the rotation angle of the grating; the basic units of spectra is 1 nm, therefore, we scan mercury spectrum condition by erecting elastic scattering spectroscopy. Peak spectral characteristics of full width at half maximum will set at 0.1 nm to erect Raman scattering spectroscopy scanning mercury spectrum condition. In addition to the use of mercury outside resolution spectroscopy system, we further measure the elastic scattering spectrum of commercial gold nanoparticle and the Raman spectrum of aqueous sample (ie. acetone, isopropyl alcohol and water) to verify the feasibility of the system.
URI: http://hdl.handle.net/11455/90491
文章公開時間: 2018-08-27
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