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二维自组装结构中银纳米粒子的吸收光谱特征 被引量：1

Characteristic Absorption Spectroscopy of Silver Nanoparticles in Two-dimensional Assembled Structures
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摘要 通过静电相互作用在聚乙烯吡啶修饰的玻璃表面组装了银纳米粒子的二维结构。吸收光谱结果表明,组装银粒子间的相互作用导致银粒子的偶极子表面等离子体共振发生较大的位移,但基本不改变四极子表面等离子体共振。银粒子表面吸附分子及周围介质直接影响其表面等离子体共振。 Two-dimensional structures of silver nanoparticles were assembled on polyvinylpyridine modified glass surfaces. Absorption spectra of the assemblies demonstrate that interaction between silver nanoparticles result in large shifts of dipolar surface plasmon resonance, whereas only slight effect was observed for quadrupolar surface plasmon resonance. The adsorption of molecule on the surface of the silver nanoparticles as well as surrounding media directly affect the surface plasmon resonances of the assembled silver nanoparticles.
作者 周群 李晓伟 周耀国 赵宏 季媛 郑军伟
机构地区 苏州大学化学系
出处 《光散射学报》 2004年第4期346-349,共4页 The Journal of Light Scattering
基金 国家自然科学基金资助项目(20073028) 江苏省教委现代光学重点实验室基金
关键词 银纳米粒子 自组装 吸收光谱 表面等离子体共振 表面修饰 Silver nanoparticle Self-assembly Absorption spectroscopy Surface plasmon resonance Surface modification
分类号 O657.37 [理学—分析化学]
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参考文献11

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共引文献25

同被引文献13

  • 1张丽,蒋昌忠,任峰,陈海波,石瑛,付强.Ag-Cu离子注入玻璃后不同气氛退火的光吸收研究[J].物理学报,2004,53(9):2910-2914. 被引量：11
  • 2刘向绯,蒋昌忠,任峰,付强.Ag离子注入非晶SiO_2的光学吸收、拉曼谱和透射电镜研究[J].物理学报,2005,54(10):4633-4637. 被引量：11
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引证文献1

二级引证文献7

光散射学报
2004年 第4期

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