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微波輔助法制備納米銀膠及其在拉曼表面增強方面的應用
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北京化工大學碳纖維與復合材料研究所,北京化工大學碳纖維與復合材料研究所,吉林化工學院

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國家自然科學基金（51101169）；江蘇省自然科學基金（BK20141126）


Microwave-assisted Synthesis Silver Nanoparticles and Their Surface Enhancement Raman Scattering
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Key Laboratory of Carbon Fiber and Functional Polymers,Ministry of Education,Beijing University of Chemical Technology,Key Laboratory of Carbon Fiber and Functional Polymers,Ministry of Education,Beijing University of Chemical Technology,College of Chemical Pharmaceutical Engineering,Jilin City

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    摘要:

    采用一步微波輔助法制備了納米銀膠,并利用紫外-可見吸收光譜,透射電子顯微鏡(TEM)和原子力顯微鏡(AFM)等檢測手段對納米銀膠相應的性質(zhì)和結(jié)構(gòu)進行了表征。利用羅丹明6G(R6G)為探針分子,考察了不同反應時間制備的納米銀膠對拉曼散射(SERS)的表面增強效果。結(jié)果表明,納米銀膠可以提高拉曼散射的信號強度,比較和分析了增強后的拉曼光譜。同時,我們對納米銀膠增強拉曼散射信號的機理進行了詳細的研究。

    Abstract:

    A one-step microwave-assisted method was used for the synthesis of silver nanoparticles, and the corresponding nature and structure of silver nanoparticles were characterized by UV-Vis absorption spectroscopy, transmission electron microscopy (TEM), and atomic force microscopy (AFM). Raman scattering activities of silver nanoparticles with different reaction times were checked by using rhodamine 6G (R6G) as a probe molecule. The results showed that the intensity of surface enhancement Raman scattering (SERS) signals could be increased by silver nanoparticles. And then we made a comparison on SERS spectra of R6G molecules adsorbed on three kinds of silver nanoparticles to investigate the effect of surface enhancement Raman. Meanwhile, we have also performed substantially studying of the mechanism in the process of enhancement by silver nanoparticles.

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劉發(fā)現(xiàn),劉杰,曹雪玲.微波輔助法制備納米銀膠及其在拉曼表面增強方面的應用[J].稀有金屬材料與工程,2017,46(9):2395~2398.[Liu Faxian, Liu Jie, Cao Xueling. Microwave-assisted Synthesis Silver Nanoparticles and Their Surface Enhancement Raman Scattering[J]. Rare Metal Materials and Engineering,2017,46(9):2395~2398.]
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  • 收稿日期:2015-09-14
  • 最后修改日期:2015-10-25
  • 錄用日期:2015-11-18
  • 在線發(fā)布日期: 2017-11-29
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