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Yong Qin, Ralf Vogelgesang, Moritz Eßlinger, Wilfried Sigle, Peter van Aken, Oussama Moutanabbir and Mato Knez Bottom-Up Tailoring of Plasmonic Nanopeapods Making Use of the Periodical Topography of Carbon Nanocoil Templates Advanced Functional Materials 22

Version of Record online: 8 AUG 2012 | DOI: 10.1002/adfm.201201791

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Regularly spaced Au nanoparticle chains embedded in helical Al2O3 nanotubes (“nanopeapods”) are synthesized based on a guided Rayleigh instability. This is achieved by annealing carbon nanocoils coated with Au by sputtering and Al2O3 by atomic layer deposition. Their strong plasmonic resonance behavior is revealed by confocal laser scanning microscopy, electron energy-loss spectroscopy, and numerical simulations.

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