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785 nm激光诱导银纳米三角片聚集表面增强拉曼散射效应

薛彬 孔祥贵 王丹 夏露 李晓坤 于沂 孙雅娟 吴飞 赵慧颖

薛彬, 孔祥贵, 王丹, 夏露, 李晓坤, 于沂, 孙雅娟, 吴飞, 赵慧颖. 785 nm激光诱导银纳米三角片聚集表面增强拉曼散射效应[J]. 中国光学(中英文), 2014, 7(1): 118-123. doi: 10.3788/CO.20140701.0118
引用本文: 薛彬, 孔祥贵, 王丹, 夏露, 李晓坤, 于沂, 孙雅娟, 吴飞, 赵慧颖. 785 nm激光诱导银纳米三角片聚集表面增强拉曼散射效应[J]. 中国光学(中英文), 2014, 7(1): 118-123. doi: 10.3788/CO.20140701.0118
XUE Bin, KONG Xiang-gui, WANG Dan, XIA Lu, LI Xiao-kun, YU Yi, SUN Ya-juan, WU Fei, ZHAO Hui-ying. SERS effect of aggregation of silver nanoprisms induced by 785 nm laser[J]. Chinese Optics, 2014, 7(1): 118-123. doi: 10.3788/CO.20140701.0118
Citation: XUE Bin, KONG Xiang-gui, WANG Dan, XIA Lu, LI Xiao-kun, YU Yi, SUN Ya-juan, WU Fei, ZHAO Hui-ying. SERS effect of aggregation of silver nanoprisms induced by 785 nm laser[J]. Chinese Optics, 2014, 7(1): 118-123. doi: 10.3788/CO.20140701.0118

785 nm激光诱导银纳米三角片聚集表面增强拉曼散射效应

doi: 10.3788/CO.20140701.0118
基金项目: 

国家自然科学基金资助项目(No.61071048,No.11374297,No.51372096)

详细信息
    作者简介:

    薛彬(1987—),男,吉林华甸人,博士研究生,2010年于华中科技大学获得学士学位,主要从事发光纳米材料在生物医学中的应用研究。E-mail:xuebin2021@163.com

    通讯作者:

    孔祥贵,E-mail:xgkong14@ciomp.ac.cn;赵慧颖,E-mail:zhaohuiying163@163.com

    孔祥贵,E-mail:xgkong14@ciomp.ac.cn;赵慧颖,E-mail:zhaohuiying163@163.com

  • 中图分类号: O433.4;O485

SERS effect of aggregation of silver nanoprisms induced by 785 nm laser

  • 摘要: 为实现表面增强拉曼散射(SERS)光谱的强信号快速检测分析,报道了通过785 nm激光诱导银纳米三角片(AgNPRs)聚集的方法。采用配体辅助化学还原法制备了AgNPRs,其边长约为80 nm,表面等离子体吸收峰出现在约774 nm处,对785 nm光产生有效吸收。在785 nm光辐照下,AgNPRs逐渐聚集,对巯基苯甲酸的SERS信号逐渐增强,其源于AgNPRs吸收的光转化为热而引起的AgNPRs聚集。其增强因子高达109。为快速获得强SERS信号,激发光功率需大于250 mW。

     

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出版历程
  • 收稿日期:  2013-11-12
  • 修回日期:  2013-12-13
  • 刊出日期:  2014-01-25

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