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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 37, Iss. 21 — Nov. 1, 2012
  • pp: 4437–4439

Ultraviolet to near-infrared downconversion of Y2SiO5:Ce3+,Yb3+ nanobelt-poly-EVA films

Wenli Zhou, Ye Li, Ronghuan Zhang, Jing Wang, Rui Zou, and Hongbin Liang  »View Author Affiliations

Optics Letters, Vol. 37, Issue 21, pp. 4437-4439 (2012)

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The 1D Y 2 SiO 5 : Ce 3 + , Yb 3 + nanobelt phosphors and nanobelts-poly-ethylene vinyl acetate (poly-EVA) composite films were fabricated to explore spectral conversion materials for improving the conversion efficiency of c -Si solar cell. Scanning electron microscope, x-ray diffraction, photoluminescence excitation, photoluminescence (PL), transmission and decay curves were employed to characterize the structure, morphology, and optical properties. The nanobelt phosphor exhibits efficient ultraviolet (UV) absorption and gives intense near-infrared (NIR) emission. The UV to NIR downconversion process in Y 2 SiO 5 : Ce 3 + , Yb 3 + nanobelts was investigated. More importantly, the thickness, transmission and PL spectra of nanobelts-poly-EVA films were also studied in detail. The NIR-emitting one-dimensional nanobelt-composite film may be applied as a promising spectral conversion layer for c -Si solar cell.

© 2012 Optical Society of America

OCIS Codes
(120.4640) Instrumentation, measurement, and metrology : Optical instruments
(160.4236) Materials : Nanomaterials

ToC Category:

Original Manuscript: April 10, 2012
Revised Manuscript: September 4, 2012
Manuscript Accepted: September 12, 2012
Published: October 22, 2012

Wenli Zhou, Ye Li, Ronghuan Zhang, Jing Wang, Rui Zou, and Hongbin Liang, "Ultraviolet to near-infrared downconversion of Y2SiO5: Ce3+, Yb3+ nanobelt-poly-EVA films," Opt. Lett. 37, 4437-4439 (2012)

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