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Surface enhanced fluorescence from silver film substrate decorated with nanohole arrays.

Surface enhanced fluorescence from silver film substrate decorated with nanohole arrays.

Journal of nanoscience and nanotechnology (2014-04-18)

Yu Sun, Xiao Qing Yan, Yabing Du, Zhenglong Zhang, Yiping Huo, Fei Gao, Hairong Zheng

초록

The fluorescence enhancement effect of Rh6G molecules deposited on the silver film substrate decorated with nanohole arrays was investigated in this paper. The prepared substrate, decorated with nanohole arrays, was fabricated with the deposition of silver films onto the anodic aluminum oxide templates through magnetron sputtering method. Compared with the conventional continuous silver film substrate, the prepared substrate shows better enhanced effect. Particularly, the fluorescence enhancement factor has a relationship with the size and period of the nanohole arrays. The experimental observations were analyzed with local surface plasmon resonance model. The results of current work highlight the importance of strong electromagnetic coupling effect in surface enhanced fluorescence.

MATERIALS

제품 번호

브랜드

제품 설명

Sigma-Aldrich

Silver nanowires, diam. × L 200 nm × 10 μm, 0.5% (isopropyl alcohol suspension)

Sigma-Aldrich

Silver, foil, thickness 2.0 mm, 99.9% trace metals basis

Sigma-Aldrich

Silver, nanopowder, <150 nm particle size, 99% trace metals basis

Sigma-Aldrich

Silver, foil, thickness 0.1 mm, 99.9% trace metals basis

Silver, sphere, 200pcs, diameter 0.5mm, precision sphere grade

Sigma-Aldrich

Silver, foil, thickness 1.0 mm, 99.99% trace metals basis

Sigma-Aldrich

Silver, wire, diam. 0.5 mm, ≥99.99% trace metals basis

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Silver, wool, diam. 0.05 mm, ≥99.9% trace metals basis

Sigma-Aldrich

Silver, wire, diam. 0.127 mm, 99.99% trace metals basis

Sigma-Aldrich

Silver, powder, <250 μm, 99.99% trace metals basis

Sigma-Aldrich

Silver, shot, 1-3 mm, ≥99.99% trace metals basis

Sigma-Aldrich

Silver, wire, diam. 0.1 mm, 99.9% trace metals basis

Sigma-Aldrich

Silver, wire, diam. 1.0 mm, 99.9% trace metals basis

Silver, foil, not light tested, 100x100mm, thickness 0.0025mm, 99.97%

Silver, foil, not light tested, 50x50mm, thickness 0.007mm, 99.97%

Silver, foil, 10mm disks, thickness 0.025mm, as rolled, 99.95+%

Silver, foil, 8mm disks, thickness 0.025mm, as rolled, 99.99+%

Silver, foil, 8mm disks, thickness 0.1mm, as rolled, 99.95+%

Silver, foil, light tested, 50x50mm, thickness 0.0125mm, 99.95+%

Silver, foil, not light tested, 50x50mm, thickness 0.002mm, 99.97%

Silver, foil, not light tested, 300x300mm, thickness 0.025mm, as rolled, 99.95+%

Silver, foil, not light tested, 100x100mm, thickness 0.0125mm, 99.95+%

Sigma-Aldrich

Silver, colloidal, 65-75% Ag basis

Silver, foil, 150x150mm, thickness 0.25mm, as rolled, 99.95+%

Silver, foil, 10mm disks, thickness 0.20mm, as rolled, 99.95+%

Silver, foil, 0.5m coil, thickness 0.025mm, annealed, 99.95+%

Silver, foil, 50x50mm, thickness 0.25mm, as rolled, 99.95+%

Silver, foil, 0.5m coil, thickness 0.15mm, as rolled, 99.95+%

Silver, foil, 10mm disks, thickness 0.008mm, 99.95+%

Silver, foil, 100x100mm, thickness 1.0mm, as rolled, 99.99+%