| 和频光谱研究油酸包覆的Fe3 O4 纳米颗粒 |
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| 引用本文： | 黄芝,郭源. 和频光谱研究油酸包覆的Fe3 O4 纳米颗粒[J]. 高等学校化学学报, 2012, 33(7): 1517-1522. DOI: 10.3969/j.issn.0251-0790.2012.07.028 |
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| 作者姓名： | 黄芝 郭源 |
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| 作者单位： | 1. 北京分子科学国家实验室,分子反应动力学国家重点实验室,中国科学院化学研究所,北京100190;中国科学院研究生院,北京100049
2. 北京分子科学国家实验室,分子反应动力学国家重点实验室,中国科学院化学研究所,北京100190 |
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| 基金项目： | 国家自然科学基金，中国科学院知识创新工程重要方向项目水科学基础问题研究计划 |
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| 摘 要： | 采用红外-可见和频振动光谱研究了表面包覆油酸分子的Fe3O4纳米颗粒, 得到了2种实验构型(构型1: 可见光入射角63°, 红外光入射角55°; 构型2: 可见光入射角45°, 红外光入射角55°)和3种偏振组合(ssp, ppp, sps)下的和频振动光谱, 比较了2种实验构型下和频光谱的特征, 通过偏振分析方法对各个光谱峰进行了归属.
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| 关 键 词： | 和频振动光谱 四氧化三铁 纳米颗粒 油酸 |
| 收稿时间： | 2011-12-26 |
Sum Frequency Generation Vibrational Spectroscopy Study of Fe3O4 Nanoparticles Modified by Oleic Acid Molecules |
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| HUANG Zhi , GUO Yuan. Sum Frequency Generation Vibrational Spectroscopy Study of Fe3O4 Nanoparticles Modified by Oleic Acid Molecules[J]. Chemical Research In Chinese Universities, 2012, 33(7): 1517-1522. DOI: 10.3969/j.issn.0251-0790.2012.07.028 |
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| Authors: | HUANG Zhi GUO Yuan |
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| Affiliation: | 1 (1.Beijing National Laboratory for Molecular Sciences,State Key Laboratory of Molecular Reaction Dynamics, Institute of Chemistry Chinese Academy of Sciences,Beijing 100190,China; 2.Graduate School of the Chinese Academy of Sciences,Beijing 100049,China) |
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| Abstract: | The sum frequency generation vibrational spectroscopy(SFG-VS),an interface selective and chemical specific nonlinear optical technology,was used to study the Fe3O4 nanoparticles modified by oleic acid molecules.The SFG spectra of two different experimental configurations(configuration 1: the incident angle of visible laser beam is 63°;configuration 2: the incident angle of visible laser is 45°) and three polarization combinations(ssp,ppp and sps) were investigated.The coherent features of SFG spectra in different experimental configurations were analyzed and the vibrational modes of the spectral peaks were assigned according to the polarization selection rules. |
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| Keywords: | Sum frequency generation vibrational spectroscopy(SFG-VS) Fe3O4 Nanopaticles Oleic acid |
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