Method of preparing zinc silicate-based phosphor and zinc...

Details Method of preparing zinc silicate-based phosphor and zinc... Method of preparing zinc silicate-based phosphor and zinc...

2011-03-08

2011-03-08

Johnson, Edward M (Department: 1736)

Chemistry of inorganic compounds

Silicon or compound thereof

C423S326000

Reexamination Certificate

active

07901651

ABSTRACT:
Provided are a method of preparing a zinc silicate-based phosphor and a zinc silicate-based phosphor prepared using the method. The method includes: (a) preparing a solution including a Zn precursor compound and a Si precursor compound; (b) adding a coprecipitant to the solution to form precipitation; and (c) heat treating the solution in which the precipitation is formed to synthesize zinc silicate (Zn2SiO4), wherein a solvent of the solution including the Zn precursor compound and the Si precursor compound includes at least one selected from the group consisting of ethanol, methanol, 1-propanol, 2-propanol, 1-butanol, 2-butanol, 1-pentanol, 2-pentanol, 3-pentanol, 1-hexanol, and 1-heptanol, and hydrazine is used as the coprecipitant.

REFERENCES:
patent: 7241400 (2007-07-01), Furusawa et al.
patent: 2009/0029852 (2009-01-01), Hagemeyer
patent: 1-272689 (1989-10-01), None

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