Color plasma flat panel display (PDP) has become one of the most promising color displays because of its many excellent properties. In order to improve the performance of PDP, it is very important to study tricolor phosphors for PDP.

Color plasma flat panel display (PDP) has become one of the most promising color displays because of its many excellent properties. Improving the performance of PDP is essential for the research of tricolor phosphors for PDP.

Preparation of green phosphor Baa112019: Mn2+by high-temperature solid-state method is the first choice for industrial production at present. However, due to the shortcomings of uneven phosphor particles, easy agglomeration and poor dispersibility. So that it can't meet the requirements of display technology.

Green phosphor Baa112019: Mn2+is the first choice for industrial production at present. The intersection of phosphor and particles prepared by the method is irregular, exchange agglomeration and poor dispersibility. So as not to fail to meet the requirements of display technology.

In this paper, green phosphor baa112019: Mn2+with high luminous intensity was prepared by high temperature solid state method. Through parallel experiment and orthogonal experiment design, the best post-processing experimental conditions were screened out. It is found that small molecular acid solution, ultrasonic treatment and the ratio of solvent to powder will all affect the properties of phosphor.

In this paper, PDP with high luminous intensity was prepared by high-temperature solid-state method, and green phosphor Baa112019: Mn2+was used. The optimization post-processing and the orthogonal test of test and condition were carried out for the orthogonal test designed by parallel test and orthogonal test and the orthogonal test of two tests and methods. It was found that small molecular acid solution, ultrasonic treatment, solvent and powder all had effects on the properties of phosphor.

The luminous performance of phosphor was tested by PDP phosphor testing system, the grain size and morphology of phosphor were observed and photographed by environmental scanning electron microscope, the average particle size of phosphor was determined by average particle size analyzer, and the phase composition of phosphor was determined by X-ray powder diffraction (XRD).

The luminous performance of phosphor was tested by PDP phosphor testing system. The grain size and morphology of the photographed phosphor were observed by environmental scanning electron microscope. The average morphology of phosphor was determined by average morphology analyzer. The intersection of X-ray and powder, and the intersection of crystal diffraction and morphology determined the morphology of powder.

The results show that the luminous intensity, particle size, dispersibility and stability of the powder have been greatly improved after post-treatment. It makes up for the shortage of preparing green phosphor Baa112019: Mn2+by high-temperature solid-state method.

The results show that the luminous intensity, particle size, dispersibility and stability of the powder are greatly improved after post-treatment. Remedy that deficiency of preparing green phosphor Baa112019: Mn2+by high-temperature solid state method.

Keywords: orthogonal experimental design of post-treatment luminescent properties of green phosphors

Key words:

Green phosphor

reprocess

orthogonal experimental design

Luminous performance