Near-infrared quantum cutting in Tb3+-Yb3+codoped CaFCl nanophosphors prepared by one-step sol-gel m

来源 :International Conference on Nanoscience & Technology,China 2 | 被引量 : 0次 | 上传用户:GYQ865739853
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  We report on the cooperative energy transfer process in Tb3+-Yb3+ codoped CaFCl nanophosphors, which were prepared by the one-step sol-gel method.The X-ray powder diffraction, photoluminescent spectra and decay curves were measured to characterize their structural and luminescent properties.The Yb3+ emission in the wavelength range of 950-1100 nm (2F5/2→2F7/2) was observed under 484 nm excitation attributed to the 7F6→5D4 transition of Tb3+.
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