| abstract |
The present invention relates to the preparation of a kind of complex fluoride and complex fluoride phosphor.Especially, a kind of complex fluoride A is related ton 2 mFn 6 wherein M is quadrivalent element Si, Ti, Zr, Hf, Ge or Sn, A is basic metal Li, Na, K, Rb or Cs, it is prepared in the following way: the first solution providing the fluorochemical containing M, the compound of the second solution of the compound containing A and/or the A of solid form is provided, the fluorochemical of M and the compound of A are reacted the first solution and the second solution and/or solids mixing, and reclaim the solid product of gained by solid-liquid separation. |