Enhancement of UV absorption and near-infrared emission of Er3+ in Li2SrSiO4:Ce3+, Er3+ for Ge solar spectral convertor

Ye Li, Chenchen Ni, Chun Che Lin, Fengjuan Pan, Ru Shi Liu, Jing Wang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A near-infrared emitting phosphor, Li2SrSiO4:Ce 3+, Er3+, is developed as a potential solar spectral convertor for Ge solar cells. Structure and UV-Vis-NIR optical properties of Li2SrSiO4:Ce3+, Er3+ are investigated using the Rietveld refinement of X-ray diffraction (XRD), diffuse reflection spectrum, photoluminescence excitation and emission spectra at room temperature. These results show that Li2SrSiO4:Ce 3+, Er3+ phosphor has intense absorption broadbands dominating at 360 nm which can efficiently facilite the UV part of the solar spectral when compared to Li2SrSiO4:Er3+. Furthermore, it can give an intense emission around 1530 nm via efficient energy transfer process from Ce3+ to Er3+, matching well with the optimal spectral response of Ge solar cells.

Original languageEnglish
Pages (from-to)1871-1873
Number of pages3
JournalOptical Materials
Volume36
Issue number11
DOIs
Publication statusPublished - Jan 1 2014
Externally publishedYes

Fingerprint

Phosphors
phosphors
Solar cells
solar cells
Infrared radiation
Rietveld refinement
augmentation
spectral sensitivity
Energy transfer
Photoluminescence
emission spectra
Optical properties
energy transfer
broadband
photoluminescence
optical properties
X ray diffraction
room temperature
diffraction
excitation

Keywords

  • Ge solar cells
  • Near infrared emission
  • Rare earth
  • Solar spectral convertor

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Computer Science(all)
  • Atomic and Molecular Physics, and Optics
  • Electrical and Electronic Engineering

Cite this

Enhancement of UV absorption and near-infrared emission of Er3+ in Li2SrSiO4:Ce3+, Er3+ for Ge solar spectral convertor. / Li, Ye; Ni, Chenchen; Lin, Chun Che; Pan, Fengjuan; Liu, Ru Shi; Wang, Jing.

In: Optical Materials, Vol. 36, No. 11, 01.01.2014, p. 1871-1873.

Research output: Contribution to journalArticle

Li, Ye ; Ni, Chenchen ; Lin, Chun Che ; Pan, Fengjuan ; Liu, Ru Shi ; Wang, Jing. / Enhancement of UV absorption and near-infrared emission of Er3+ in Li2SrSiO4:Ce3+, Er3+ for Ge solar spectral convertor. In: Optical Materials. 2014 ; Vol. 36, No. 11. pp. 1871-1873.
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AU - Li, Ye

AU - Ni, Chenchen

AU - Lin, Chun Che

AU - Pan, Fengjuan

AU - Liu, Ru Shi

AU - Wang, Jing

PY - 2014/1/1

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AB - A near-infrared emitting phosphor, Li2SrSiO4:Ce 3+, Er3+, is developed as a potential solar spectral convertor for Ge solar cells. Structure and UV-Vis-NIR optical properties of Li2SrSiO4:Ce3+, Er3+ are investigated using the Rietveld refinement of X-ray diffraction (XRD), diffuse reflection spectrum, photoluminescence excitation and emission spectra at room temperature. These results show that Li2SrSiO4:Ce 3+, Er3+ phosphor has intense absorption broadbands dominating at 360 nm which can efficiently facilite the UV part of the solar spectral when compared to Li2SrSiO4:Er3+. Furthermore, it can give an intense emission around 1530 nm via efficient energy transfer process from Ce3+ to Er3+, matching well with the optimal spectral response of Ge solar cells.

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