奈米顆粒對水分子間鍵結之影響

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题名:	奈米顆粒對水分子間鍵結之影響
作者:	楊昌璇;Yang, Chang-Xhuan
贡献者:	物理學系
关键词:	奈米顆粒;nano-particle
日期:	2017-07-17
上传时间:	2017-10-27 13:40:03 (UTC+8)
出版者:	國立中央大學
摘要:	本實驗利用蒸鍍方法製造奈米金顆粒且附著於玻璃載體上，並利用兩片玻璃，以間隙片間隔，製作成水流通道，利用毛細現象使去離子水流經其中。分析奈米金顆粒的吸收光譜圖挑選適合波段的LED燈做為光源，企圖激發奈米金顆粒的表面電漿共振，用以減少水分子間的鍵結，製造小分子水，以利生物組織更快速吸收，也探討了奈米顆粒本身對水分子間鍵結的影響，使用金、銀、鎳、錫、銦奈米顆粒，使其懸浮於去離子水中，觀察其對水分子間鍵結的影響，其中將使用拉曼光譜儀作為觀察水分子間交互作用改變的工具，以X光繞射儀分析材料成分。;Several reports have suggested that illuminations of light onto Au nanoparticles (Au NP) placed in water can initiate surface plasma resonance (SPR) that are capable of weakening the molecular interactions in water, frequently detected using a micro-Raman spectrometer. Here, we demonstrate that Raman spectrum of water can be largely affected by the excitation laser beam, which can lead to unphysical results suggested in the Raman spectrum. Raman spectra of water were taken before and after directing the DI water to flow slowly, at a controlled flow rate, through the Au NPs under illumination of green light from an LED. In identify the effects on micro-Raman spectra from excitation laser beam, excitation laser at various powers were employed. Results from the currently asserting SPR effect and from excitation laser itself will be presented.
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