Near-field distribution of localized SP coupling in isolated and collective metal nanoparticle arrays

Chen-Han Huang; Hsing-Ying Lin; Chih-Han Chang; Hsiang-Chen Chui

doi:10.1117/12.809269

18 February 2009 Near-field distribution of localized SP coupling in isolated and collective metal nanoparticle arrays

Chen-Han Huang, Hsing-Ying Lin, Chih-Han Chang, Hsiang-Chen Chui

Proceedings Volume 7224, Quantum Dots, Particles, and Nanoclusters VI; 722411 (2009) https://doi.org/10.1117/12.809269
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

Surface plasmon coupling effects of isolated and collective Au nanoparticle arrays are investigated through the optical transmission spectroscopy and near-field scanning optical microscope (NSOM). Nanoparticle arrays with different collective degrees are fabricated by the nanosphere lithography and self-assembling technique. The absorption wavelength of collective nanoparticle array at surface plasmon resonance orients to longer wavelengths due to the particularly strong localized electromagnetic field exists in the gap of nanoparticle pairs. Besides, results manifest that localized surface plasmon coupling not only depends on the inter-particle distance but also relates to the photon-plasmon resonance.

Citation Download Citation

Chen-Han Huang, Hsing-Ying Lin, Chih-Han Chang, and Hsiang-Chen Chui "Near-field distribution of localized SP coupling in isolated and collective metal nanoparticle arrays", Proc. SPIE 7224, Quantum Dots, Particles, and Nanoclusters VI, 722411 (18 February 2009); https://doi.org/10.1117/12.809269

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