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A Novel Ce3+/Tb3+ Codoped Phosphate Glass as Down-Shifting Materials for Enhancing Efficiency of Solar Cells 下载免费PDF全文
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. 相似文献
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