Surface Plasmon Polariton Enhanced Upconversion in Rare Earth Doped Nano Crystals on Plasmonic Substrates

被引：0

作者：

Hor, Amy ^{[1
,2
]}

Luu, QuocAnh ^{[1
,2
]}

Fisher, Jon ^{[1
]}

Luk, Ting-Shan ^{[3
]}

Baroughi, Mahdi ^{[4
]}

May, P. Stanley ^{[2
]}

Smith, Steve ^{[1
]}

机构：

[1] South Dakota Sch Mines & Technol, Nanosci & Nanoengn, Rapid City, SD 57701 USA

[2] Univ S Dakota, Dept Chem, Vermillion, SD 57069 USA

[3] Sandia Natl Labs, Ctr Integrated Nanotechnol, Albuquerque, NM 87123 USA

[4] S Dakota State Univ, Elect Engn & Comp Sci, Brookings, SD 57007 USA

来源：

2014 IEEE 40TH PHOTOVOLTAIC SPECIALIST CONFERENCE (PVSC) | 2014年

关键词：

Upconversion; plasmonics; sodium yttrium fluoride; erbium; ytterbium; thulium; surface plasmon polariton; spectral conversion;

D O I：

暂无

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Plasmonic enhancement of near infra-red to visible upconversion could potentially yield high-efficiency spectral converters for solar cells. We use spectroscopic imaging to investigate the intensity enhancement and modification of radiative rates of infra-red to visible upconversion from rare-earth doped nanoparticles (NaYF4:Yb:Er[Tm]) supported on substrates designed to support a surface plasmon polariton at frequencies which are near-resonant with the rare-earth sensitizer (Yb3+) absorption. Using spatially-resolved spectroscopic imaging, we directly observe a systematic enhancement in the efficiency of upconversion associated with the interaction of the co-doped nano-particles with the plasmonic substrates. Spectrally resolved reflectivity and time-resolved luminescence decay measurements support our interpretation.

引用

页码：2270 / 2272

页数：3

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