Synthesis and utilization of LaVO4:Eu3+ nanoparticles as fluorescent near-field optical sensors

被引：11
作者：
Nedilko, S. G. [1 ]
Chukova, O. [1 ]
Hizhnyi, Yu. [1 ]
Nedilko, S. A. [1 ]
Voitenko, T. [1 ]
Billot, L. [2 ]
Aigouy, L. [2 ]
机构：
[1] Taras Shevchenko Natl Univ Kyiv, UA-01601 Kiev, Ukraine
[2] UPMC, CNRS, ESPCI, Lab Phys & Etud Mat,UMR 8213, F-75231 Paris, France
来源：
PHYSICA STATUS SOLIDI C: CURRENT TOPICS IN SOLID STATE PHYSICS, VOL 12, NO 3 | 2015年 / 12卷 / 03期
关键词：
fluorescence; nanoparticle; near-field optics; europium; DOPED GLASS-PARTICLE; LIGHT-SOURCE; ENERGY-TRANSFER; COLOR-CENTERS; MICROSCOPY; RESOLUTION; NANOHOLES; PROBE; TIP;
D O I：
10.1002/pssc.201400090
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We report the use of fluorescent La1-xEuxVO4 (0.1 <= x <= 0.3) nanoparticles as near-field optical sensors. A single particle was glued at the end of a sharp atomic force microscope tip and scanned on the surface of a test sample made of sub-micron sized holes in a thin silver film. Illumination of the sample was performed at lambda = 532 nm in a transmission configuration. The light transmitted through the apertures induced the fluorescence of europium ions. The collection of the fluorescence light as a function of the tip position above the surface allowed to map the near-field distribution in the vicinity of the holes, at different heights above the surface showing the beam divergence in free space above the sample. (C) 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码：282 / 286
页数：5
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