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研究生:楊皓東
研究生(外文):Hao-Dong Yang
論文名稱:大氣常壓微電漿輔助合成石墨烯量子點/金銀合金複合物並應用於表面增強拉曼散射之應用
論文名稱(外文):Atmospheric Pressure Microplasma Assisted Synthesis of Graphene Quantum Dots Decorated with Ag/Au Alloy for Surface-Enhanced Raman Scattering Application
指導教授:江偉宏
指導教授(外文):Wei-Hung Chiang
口試委員:徐振哲賴育英蕭偉文江偉宏
口試委員(外文):Cheng-Che HsuYu-Ying LaiWei-Wen HsiaoWei-Hung Chiang
口試日期:2021-06-08
學位類別:碩士
校院名稱:國立臺灣科技大學
系所名稱:化學工程系
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2021
畢業學年度:109
語文別:英文
論文頁數:108
中文關鍵詞:大氣常壓微電漿石墨烯量子點金銀合金材料表面增強拉曼散射
外文關鍵詞:Atmospheric-pressure microplasmaGraphene quantum dotsSilver/gold alloySurface-enhacned Raman scattering
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1. Introduction
1.1 Surface-Enhanced Raman Scattering (SERS)
1.2.1 Electromagnetic mechanism (EM)
1.2.2 Chemical mechanism (CM)
1.3 The noble metal nanoparticles
1.4 The graphene quantum dots
1.5 Introduction of GQDs/silver-gold alloy
1.6 Fluorescence resonance energy transfer (FRET)
1.7 Atmospheric pressure microplasma
1.8 Introduction of SERS-based melamine detection
2. Experimental Section
2.1 Materials and Chemicals
2.2 Synthesis of the silver/gold alloy
2.3 Synthesis of the graphene quantum dots
2.4 Synthesis of the GQDs/AuAg alloy
2.5 Preparation of the SERS substrate
2.6 Enhanced factor (EF)
2.7 Adsorption ability of material for R6G probe
2.8 Characterization
2.8.1 Ultraviolet-visible spectroscopy (UV-Vis)
2.8.2 Photoluminescence spectroscopy (PL)
2.8.3 Raman spectroscopy (Raman)
2.8.4 Transmission electron microscopy (TEM)
2.8.5 X-ray photoelectron spectroscopy (XPS)
2.8.6 Ultraviolet photoelectron spectroscopy (UPS)
3. Results and discussion
3.1.1 Synthesis of Au/Ag NPs, and AuAg alloy by microplasma
3.1.2 SERS technology for AuAg alloy to detect the R6G probe.
3.2.1 Synthesis of GQDs/AuAg_0.05 composite by microplasma
4. Conclusion
5. Reference
1. Lohumi, Santosh, et al. "Raman imaging from microscopy to macroscopy: quality and safety control of biological materials." TrAC Trends in Analytical Chemistry 93 (2017): 183-198.
2. Tang, Haibin, et al. "Surface-enhanced Raman scattering sensors for food safety and environmental monitoring." Journal of the Electrochemical Society 165.8 (2018): B3098.
3. Mock, J. J., et al. "Shape effects in plasmon resonance of individual colloidal silver nanoparticles." The Journal of Chemical Physics 116.15 (2002): 6755-6759.
4. Ji, Wei, et al. "Generation of pronounced resonance profile of charge-transfer contributions to surface-enhanced Raman scattering." The Journal of Physical Chemistry C 116.3 (2012): 2515-2520.
5. Liu, Yu, et al. "Label and label-free based surface-enhanced Raman scattering for pathogen bacteria detection: A review." Biosensors and Bioelectronics 94 (2017): 131-140.
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