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学科主题: 物理化学
题名: UV and Deep UV Raman Spectroscopic Characterization of Catalytic Material
作者: Li C(李灿)
会议文集: The Program and Abstract Book of the Third Asian Spectroscopy Conference
会议名称: the third Asian Spectroscopy Conference
会议日期: 2011-11-28
出版日期: 2011
会议地点: 厦门
通讯作者: 李灿
出版者: 待补充
出版地: 待补充
合作性质: 特邀报告
部门归属: 503
主办者: Xiamen University
摘要: Raman Spectroscopy is considered as one of the most powerful tools in studying Physics, Chemistry, Material, Biology and Energy. Compared with conventional Raman Spectroscopy, Ultraviolet Raman Spectroscopy (UVRS) has the advantages of high sensitivity while avoiding fluorescence interference. This lecture presents the recent advances in UV and Deep UV Raman spectroscopic characterization of catalytic materials. One of the advances is the successful identification of highly isolated transition metal ions incorporated in the framework of microporous and mesoporous materials base on the UV resonance Raman effect. Moreover, we have developed an apparatus capable of insitu studying the formation mechanism of microporous materials under hydrothermal reactions by taking the advantage of UV Raman spectroscopy. The synthesis mechanism of microporous materials (such as zeolite X and AlPO-5) has been investigated, which can sensitively detect the precursors and intermediates evolved in the synthesis solution and gels, while avoiding fluorescence interference. Another finding by UV Raman spectroscopy is that the phase transformation in the surface region of most metal oxide nanoparticles (such as ZrO2 and TiO2) is remarkably different from that in their bulk. This finding provides a strategy to design and develop high-performance catalysts. In addition, by utilizing the deep UV lasers with 177.3 nm, we successfully developed the Deep UV Raman spectrograph. Primary results demonstrate that Deep UV Raman spectrograph will generate tremendous social and economic benefits in Environment, Physics, Chemistry and material science
英文摘要: Raman Spectroscopy is considered as one of the most powerful tools in studying Physics, Chemistry, Material, Biology and Energy. Compared with conventional Raman Spectroscopy, Ultraviolet Raman Spectroscopy (UVRS) has the advantages of high sensitivity while avoiding fluorescence interference. This lecture presents the recent advances in UV and Deep UV Raman spectroscopic characterization of catalytic materials. One of the advances is the successful identification of highly isolated transition metal ions incorporated in the framework of microporous and mesoporous materials base on the UV resonance Raman effect. Moreover, we have developed an apparatus capable of insitu studying the formation mechanism of microporous materials under hydrothermal reactions by taking the advantage of UV Raman spectroscopy. The synthesis mechanism of microporous materials (such as zeolite X and AlPO-5) has been investigated, which can sensitively detect the precursors and intermediates evolved in the synthesis solution and gels, while avoiding fluorescence interference. Another finding by UV Raman spectroscopy is that the phase transformation in the surface region of most metal oxide nanoparticles (such as ZrO2 and TiO2) is remarkably different from that in their bulk. This finding provides a strategy to design and develop high-performance catalysts. In addition, by utilizing the deep UV lasers with 177.3 nm, we successfully developed the Deep UV Raman spectrograph. Primary results demonstrate that Deep UV Raman spectrograph will generate tremendous social and economic benefits in Environment, Physics, Chemistry and material science
内容类型: 会议论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/116094
Appears in Collections:中国科学院大连化学物理研究所_会议论文

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Recommended Citation:
Li C. UV and Deep UV Raman Spectroscopic Characterization of Catalytic Material[C]. 见:the third Asian Spectroscopy Conference. 厦门. 2011-11-28.
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