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首页> 外文期刊>RSC Advances >Ordered arrays of Ag nanodendrite clusters as effective surface-enhanced Raman scattering substrates
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Ordered arrays of Ag nanodendrite clusters as effective surface-enhanced Raman scattering substrates

机译：Ag纳秒簇的有序阵列，如有效的表面增强拉曼散射基板

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摘要

We report a cheap synthetic approach to large-area ordered Ag nanodendrite cluster arrays as effective surface-enhanced Raman scattering (SERS) substrates, on a Zn plate coated with periodical porous photoresist via galvanic replacement reaction of Zn and AgNO3 in aqueous solution. Due to the geometrical confinement of the porous photoresist template coated on the Zn plate, the well-positioned Ag nanodendrite clusters are distributed on the Zn plate in ordered arrays. It is demonstrated that citric acid is essential to the formation of the nanodendrite cluster arrays. The resultant Ag nanodendrite cluster arrays not only have high SERS-activity to rhodamine 6G with good signal reproducibility but also can identify thiram (a widely-used pesticide) even at 0.1 mu M level, showing potential in SERS-based detection of pesticide remnants in the environment.
机译：我们向大区域订购的AG纳秒簇阵列报告了一种廉价的合成方法，作为有效的表面增强拉曼散射（SERS）衬底，在涂覆周期多孔光致抗蚀剂的Zn和AgnO3中的周期多孔光致抗蚀剂在水溶液中。 由于涂覆在Zn板上的多孔光致抗蚀剂模板的几何限制，良好定位的Ag纳秒簇分布在有序阵列中的Zn板上。 证明柠檬酸对形成纳秒簇阵列是必不可少的。 得到的AG纳秒簇阵列不仅具有高脊柱活性至罗丹明6G，具有良好的信号再现性，而且还可以识别喉部（广泛使用的农药），即使在0.1μm的水平下，也显示出基于SERS的农药残余检测的潜力 环境。

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  • 来源
    《RSC Advances》 |2016年第32期|共5页
  • 作者

    Zuo Jie; Meng Guowen; Zhu Chuhong; Zhou Qitao; Li Zhongbo; Ke Yan; Zhou Ningning;

  • 作者单位

    Chinese Acad Sci Anhui Key Lab Nanomat &

    Nanotechnol Inst Solid State Phys Key Lab Mat Phys CAS Ctr Excellence Nanosci Hefei 230031 Peoples R China;

    Chinese Acad Sci Anhui Key Lab Nanomat &

    Nanotechnol Inst Solid State Phys Key Lab Mat Phys CAS Ctr Excellence Nanosci Hefei 230031 Peoples R China;

    Chinese Acad Sci Anhui Key Lab Nanomat &

    Nanotechnol Inst Solid State Phys Key Lab Mat Phys CAS Ctr Excellence Nanosci Hefei 230031 Peoples R China;

    Ulsan Natl Inst Sci &

    Technol Dept Mech Engn 50 UNIST Gil Ulsan 44919 South Korea;

    Chinese Acad Sci Anhui Key Lab Nanomat &

    Nanotechnol Inst Solid State Phys Key Lab Mat Phys CAS Ctr Excellence Nanosci Hefei 230031 Peoples R China;

    Chinese Acad Sci Anhui Key Lab Nanomat &

    Nanotechnol Inst Solid State Phys Key Lab Mat Phys CAS Ctr Excellence Nanosci Hefei 230031 Peoples R China;

    Chinese Acad Sci Anhui Key Lab Nanomat &

    Nanotechnol Inst Solid State Phys Key Lab Mat Phys CAS Ctr Excellence Nanosci Hefei 230031 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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