引用本文:
徐宝庆, 徐兆华, 包碧年, 孙炳方, 张华杰. 硫化锌镉基质荧光粉灼烧时的相变[J]. 应用化学,
1988, 5(2): 90-92.
Citation: Xu Baoqing, Xu Zhaohua, Bao Binian, Sun Bingfang, Zhang Huajie. PHASE CHANGE OF ZnS-CdS-BASED PHOSPHORS DURING SINTERING[J]. Chinese Journal of Applied Chemistry, 1988, 5(2): 90-92.
Citation: Xu Baoqing, Xu Zhaohua, Bao Binian, Sun Bingfang, Zhang Huajie. PHASE CHANGE OF ZnS-CdS-BASED PHOSPHORS DURING SINTERING[J]. Chinese Journal of Applied Chemistry, 1988, 5(2): 90-92.
硫化锌镉基质荧光粉灼烧时的相变
English
PHASE CHANGE OF ZnS-CdS-BASED PHOSPHORS DURING SINTERING
Abstract:
The structure of(CdxZn1-x) S:Ag obtained by sintering at 850℃ was determined by X-ray diffraction method. The solid solution is of homogeneous wurtzite over the range of 0.5 < x < 1, while the Zn-rich wurtzite structure is dominant for 0.3 < x < 0.5. With decrease of x from 0.3 to 0, the fraction of Zn-rich sphalerite increases gradually till all the structure becomes of sphalerite. The lattice parameters vary with the composition of the solution and it results in a variation of luminescence emission spectra. The phase transition from the sphalerite to wurtzite occurs at about 700℃ with simultaneous formation of the luminescence center.
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Key words:
- Cadium sulfide
- / Zinc sulfide
- / Phosphors
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