Abstract
In the field of up-conversion materials, Yb3+ is usually used as sensitizer. In this work, KYb2F7 is synthesized by hydrothermal method using Yb3+ as a part of the matrix material, and at the same time, the luminescent center Er3+ and the non-luminescent center Sc3+ are co-doped therein. It was found that Yb3+ can be introduced into the matrix material with improved luminescence properties. In addition, with the doping of Sc3+, the luminescence intensity of the material can be increased by up to five times. This testified that the doping of an appropriate amount of non-luminescent center Sc3+ can significantly improve the up-conversion luminescence intensity of up-conversion material.
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