| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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A Novel Ce3+/Tb3+ Codoped Phosphate Glass as Down-Shifting Materials for Enhancing Efficiency of Solar Cells |
| HE Dong-Bing1,2**, YU Chun-Lei1, CHENG Ji-Meng1, LI Shun-Guang1, HU Li-Li1
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1Key Laboratory of High Power Laser Materials, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800
2Graduate School of Chinese Academy of Sciences, Beijing 100049
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| Cite this article: |
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HE Dong-Bing, YU Chun-Lei, CHENG Ji-Meng et al 2010 Chin. Phys. Lett. 27 114208 |
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Abstract For the purpose of improving conversion efficiency of solar cells by applying the effect of the wavelength conversion of rare earth ions, photo-luminescence and excitation spectrums of Ce3+−Tb3+ doped phosphate glass are investigated. Results show that incorporating Ce3+ ions to Tb3+−doped phosphate glass can greatly increase the absorption coefficient in the range 300-400 nm and then the energy transfer (ET) from Ce3+ to Tb3+ occurs. In addition, increasing Tb3+ concentration in Ce3+/Tb3+ co−doped phosphate glass can greatly enhance the ET efficiency and 545 nm emission intensity. This shows that Ce3+/Tb3+ co-doped phosphate glass would be a promising down-shifting material for enhancing the efficiency of solar cells.
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| Keywords:
42.70.Ce
78.20.Ci
42.70.Hj
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Received: 24 March 2010
Published: 22 October 2010
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| PACS: |
42.70.Ce
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(Glasses, quartz)
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78.20.Ci
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(Optical constants (including refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity))
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42.70.Hj
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(Laser materials)
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