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Acta Chimica Sinica ›› 2012, Vol. 70 ›› Issue (03): 229-234.DOI: 10.6023/A1107084 Previous Articles     Next Articles

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巢状微结构银粒子的制备、形成机理及表面增强拉曼光谱研究

范建凤a,b, 赵晨醒b, 范楼珍b   

  1. a 忻州师范学院化学系 忻州 034000;
    b 北京师范大学化学学院 北京 100875
  • 投稿日期:2011-07-08 修回日期:2011-09-29 发布日期:2011-10-13
  • 通讯作者: 范建凤 E-mail:lzfan@bnu.edu.cn
  • 基金资助:

    国家自然科学基金(No. 21073018)资助项目.

Preparation and Mechanism of Nest-like Ag Microcrystals and Their Surface Enhanced Raman Spectroscopic Studies

Fan Jianfenga,b, Zhao Chenxingb, Fan Louzhenb   

  1. a Department of Chemistry, Xinzhou Teachers’ University, Xinzhou 034000;
    b Department of Chemistry, Beijing Normal University, Beijing 100875
  • Received:2011-07-08 Revised:2011-09-29 Published:2011-10-13
  • Supported by:

    This work was supported by the National Natural Science Foundation of China (No. 21073018).

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Nest-like Ag microcrystals were prepared by electrochemical methods. Synthetic parameters were elucidated, including deposition potential, temperature and concentration that can systematically control branching or faceting growth during electrodeposition process. SEM, XRD and surface enhanced Raman spectroscopy (SERS) were employed to characterize the structure and properties of nest-like Ag microcrystals. The nest-like Ag microcrystals show the enhanced SERS for Rhodamine 6G, and the Raman enhancement factor reaches 1.7×106.

Key words: nest-like Ag microcrystal, mechanism, surface enhanced Raman spectrum