Near infrared quantum cutting in heavy Yb doped Ce{sub 0.03}Yb{sub 3x}Y{sub (2.97-3x)}Al{sub 5}O{sub 12} transparent ceramics for crystalline silicon solar cells
Journal Article
·
· Journal of Applied Physics
- Key Laboratory of Materials for High Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, P.O. Box 800-211, Shanghai 201800 (China)
Near infrared (NIR) quantum cutting involving the conversion of an absorbed blue photon into two NIR photons emission has been realized in heavy Yb doped Ce{sub 0.03}Yb{sub 3x}Y{sub (2.97-3x)}Al{sub 5}O{sub 12} (x=0.1, 0.25, and 0.5) transparent ceramics. Upon the 467 nm excitation, the energy transfer process was dominated by the cooperative downconversion from the 5d{sub 1} state of one Ce{sup 3+} ion to the {sup 2}F{sub 5/2} state of two Yb{sup 3+} ions. The influence of the Ce{sup 4+}-Yb{sup 2+} charge transfer state (CTS) should not contribute much to the energy transfer process for the large energy gap between Ce{sup 3+}:5d{sub 1} and the CTS. The calculated quantum yield of Yb{sup 3+} for the x=0.25 sample without concentration quenching was 175.4%.
- OSTI ID:
- 21476139
- Journal Information:
- Journal of Applied Physics, Journal Name: Journal of Applied Physics Journal Issue: 4 Vol. 107; ISSN JAPIAU; ISSN 0021-8979
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM COMPOUNDS
CERAMICS
CERIUM COMPOUNDS
CERIUM IONS
CHARGE EXCHANGE
CHARGED PARTICLES
CONVERSION
CRYSTALS
DIRECT ENERGY CONVERTERS
DOPED MATERIALS
EFFICIENCY
EMISSION
ENERGY GAP
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EQUIPMENT
EXCITATION
IONS
MATERIALS
PHOTOELECTRIC CELLS
PHOTON EMISSION
PHOTOVOLTAIC CELLS
QUANTUM EFFICIENCY
RARE EARTH COMPOUNDS
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
YTTERBIUM COMPOUNDS
YTTERBIUM IONS
YTTRIUM COMPOUNDS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALUMINIUM COMPOUNDS
CERAMICS
CERIUM COMPOUNDS
CERIUM IONS
CHARGE EXCHANGE
CHARGED PARTICLES
CONVERSION
CRYSTALS
DIRECT ENERGY CONVERTERS
DOPED MATERIALS
EFFICIENCY
EMISSION
ENERGY GAP
ENERGY TRANSFER
ENERGY-LEVEL TRANSITIONS
EQUIPMENT
EXCITATION
IONS
MATERIALS
PHOTOELECTRIC CELLS
PHOTON EMISSION
PHOTOVOLTAIC CELLS
QUANTUM EFFICIENCY
RARE EARTH COMPOUNDS
SILICON SOLAR CELLS
SOLAR CELLS
SOLAR EQUIPMENT
TRANSITION ELEMENT COMPOUNDS
YTTERBIUM COMPOUNDS
YTTERBIUM IONS
YTTRIUM COMPOUNDS