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首页> 外文期刊>Advanced Functional Materials >Metal-Organic Polyhedra Cages Immobilized on a Plasmonic Substrate for Sensitive Detection of Trace Explosives
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Metal-Organic Polyhedra Cages Immobilized on a Plasmonic Substrate for Sensitive Detection of Trace Explosives

机译：金属有机多面体笼子固定在等离子炸药上的灵敏检测痕量炸药。

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摘要

A novel strategy for highly sensitive detection and discrimination of explosives is developed based on the metal-organic polyhedra (MOP)-decorated plasmonic substrate. It is found that the careful selection of the geometric and electronic characteristics of the assembly units (organic ligands and unsaturated metals sites) embedded within the MOP cage allows for the integration of multiple weak molecular interactions in a controllable fashion and thus the MOP cage can serve as an excellent receptor for selective uptake and binding of explosives. By further grafting of the MOP cage onto a plasmonic substrate with good surface-enhanced Raman scattering enhancement factor, the resulting sensor shows a good sensing capability to various groups of ultratrace explosives, especially the challenging aliphatic nitro-organics.
机译：基于金属有机多面体（MOP）装饰的等离激元基体，开发了一种用于炸药的高灵敏度检测和鉴别的新策略。已经发现，仔细选择嵌入在MOP笼中的组装单元（有机配体和不饱和金属位点）的几何和电子特性，可以以可控的方式整合多个弱分子相互作用，因此MOP笼可以发挥作用作为选择性吸收和结合炸药的极好受体。通过将MOP笼进一步嫁接到具有良好的表面增强拉曼散射增强因子的等离激元衬底上，所得传感器对各种超痕量炸药，尤其是具有挑战性的脂肪族硝基有机物，都具有良好的传感能力。

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  • 来源
    《Advanced Functional Materials》 |2015年第37期|6009-6017|共9页
  • 作者

    Chen Xi; Wang Chen; Shang Jin; Lan Yue; Tian Tian; Wang Hui; Gu Jing-Ying; Liu Jefferson Zhe; Wan Li-Jun; Zhu Wei; Li Guangtao;

  • 作者单位

    Univ Melbourne, Dept Chem & Biomol Engn, Parkville, Vic 3010, Australia.;

    Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.;

    Univ Melbourne, Dept Chem & Biomol Engn, Parkville, Vic 3010, Australia.;

    Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.;

    Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.;

    Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.;

    Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China.;

    Monash Univ, Dept Mech & Aerosp Engn, Clayton, Vic 3800, Australia.;

    Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China.;

    Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.;

    Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.;

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