期刊文献+

耦合诱导的金纳米棒禁戒等离激元模式激发 被引量:1

Coupling-induced excitation of a forbidden surface plasmon mode of a gold nanorod
原文传递
导出
摘要 用时域有限差分方法(finite-difference time-domain,FDTD)模拟了有不同局域等离激元共振频率和不同体积的外来金纳米颗粒以及外来介质纳米颗粒与金纳米棒的耦合,研究了正入射条件下与各种颗粒耦合对诱发金棒上纵向等离激元的禁戒模式的不同影响,发现外来颗粒上足够多的电荷积聚造成的电场对称性破缺是诱发禁戒模式的原因.这一发现对理解金属纳米颗粒的近场光学实验探测有重要意义.
出处 《中国科学(G辑)》 CSCD 北大核心 2009年第7期981-989,共9页
基金 国家自然科学基金(批准号:10821062,10804004) 国家重点基础研究发展计划(编号:2007CB307001) 高等学校博士学科点专项科研基金(编号:200800011023)资助项目
  • 相关文献

参考文献29

  • 1Quinten M, Leimer A, Krenn J R, et al. Electromagnetic energy transport via linear chains of silver nanoparticles. Opt Lett, 1998, 23(17): 1331-1333.
  • 2Maier S A, Brongersma M L, Kik P G, et al. Observation of near-field coupling in metal nanoparticle chains using far-field polarization spectroscopy. Phys Rev B, 2002, 65(19): 193408.
  • 3Liu M Z, Guyot-Sionnest P, Lee T W, et al. Optical properties of rodlike and bipyramidal gold nanoparticles from three-dimensional computations. Phys Rev B, 2007, 76(23): 235428.
  • 4Nie S M, Emory S R. Probing single molecules and single nanoparticles by surface-enhanced Raman scattering. Science, 1997, 275(5303): 1102-1106.
  • 5Kneipp K, Wang Y, Kneipp H, et al. Single molecule detection using surface-enhanced Raman scattering (SERS). Phys Rev Lett, 1997, 78(9): 1667-1670.
  • 6Lee K S, El-Sayed M A. Gold and silver nanoparticles in sensing and imaging: Sensitivity of plasmon response to size, shape, and metal composition. J Phys Chem B, 2006, 110(39): 19220-19225.
  • 7Haes A J, Van Duyne R P. A nanoscale optical biosensor: Sensitivity and selectivity of an approach based on the localized surface plasrnon resonance spectroscopy of triangular silver nanoparficles. J Am Chem Soc, 2002, 124(35): 10596-10604.
  • 8Hirsch L R, Stafford R J, Bankson J A, et al. Nanoshell-mediated near-infrared thermal therapy of tumors under magnetic resonance guidance. Proc Natl Acad Sci USA, 2003, 100(23): 13549-13554.
  • 9Loo C, Lin A, Hirsch L, et al. Nanoshell-enabled photonics-based imaging and therapy of cancer. Technol Cancer Res Treat, 2004, 3(1): 33-40.
  • 10Wiederrecht G P. Near-field optical imaging of noble metal nanoparticles. Eur Phys J-Appl Phys, 2004, 28(1): 3-18.

同被引文献4

  • 1Jain P K, Eustis S, El-Sayed M A. Plasmon coupling in nanorod assemblies: Optical absorption, discrete dipole approximation simulation, and exciton-coupling model. J Phys Chem B, 2006, 110:18243 18253.
  • 2Su K H, Wei Q H, Zhang X, et al. Interparticle coupling effects on plasmon resonances of nanogold particles. Nano Lett, 2003, 3: 1087--1090.
  • 3Jain P K, Huang W, El-Sayed M A. On the universal scaling behavior of the distance decay of plasmon couplin8g in metal nanoparticle pairs: A plasmon ruler equation. Nano Lett, 2007, 7:2080--2088.
  • 4Prodan E, Radloff C, Halas N J, et al. A hybridization model for the plasmon response of complex nanostructures. Science, 2003, 302: 419--422.

引证文献1

相关作者

内容加载中请稍等...

相关机构

内容加载中请稍等...

相关主题

内容加载中请稍等...

浏览历史

内容加载中请稍等...
;
使用帮助 返回顶部