添加V2O5和B2O3对ZnO陶瓷烧结性能和物理性能的影响

IF 0.9 4区材料科学 Q3 MATERIALS SCIENCE, CERAMICS

Processing and Application of Ceramics Pub Date : 2022-01-01 DOI:10.2298/pac2201048y

Price Yüksel, Gökhan Hardal, B. Kınacı

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引用次数: 1

摘要

研究了添加V2O5和B2O3对ZnO陶瓷烧结性能和物理性能的影响。XRD研究表明ZnO为主相，具有六方纤锌矿型结构。V2O5的加入是ZnO陶瓷晶粒尺寸增大和部分晶粒呈椭圆形的原因。V2O5-B2O3的双重添加改善了ZnO陶瓷的液助烧结，晶粒尺寸进一步增大，晶粒生长更加均匀。烧结温度降至900?通过V2O5和B2O3的双重添加，观察了ZnO陶瓷的C。ZV(含0.5mol% V2O5的ZnO)和ZVB(含0.5mol% V2O5和0.5mol% B2O3的ZnO)陶瓷的室温PL光谱显示出较宽的可见发射带，这是由于ZnO陶瓷中的杂质和缺陷是由钒和硼的添加以及锌的间隙引起的氧空位。这个450- 750nm的发射波段包括了从蓝色到红色的整个可见区域。

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Influence of V2O5 and B2O3 addition on the sintering behaviour and physical properties of ZnO ceramics

The effect of V2O5 and B2O3 additions on sintering behaviour and physical properties of ZnO ceramics was investigated. XRD studies revealed ZnO as main phase with a hexagonal wurtzite-type structure. The V2O5 addition is the reason for an increase in grain size and some grains of oblong shape morphology in the ZnO ceramics. The dual addition of V2O5-B2O3 improved the liquid-assisted sintering of ZnO ceramics and resulted in further increase in grain size with more uniform grain growth. The reduction of sintering temperature to 900?C for ZnO ceramics was observed with the dual addition of V2O5 and B2O3. The room temperature PL spectra of the Z (ZnO), ZV (ZnO with 0.5mol% V2O5) and ZVB (ZnO with 0.5mol% V2O5 and 0.5mol% B2O3) ceramics revealed broad visible emission band because of impurities and defects in ZnO ceramics caused by oxygen vacancies due to vanadium and boron additions, as well as zinc interstitials. This emission band between 450-750 nm includes the entire visible region from blue to red.

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来源期刊

Processing and Application of Ceramics MATERIALS SCIENCE, CERAMICS-

CiteScore

1.90

自引率

9.10%

发文量

审稿时长

10 weeks

期刊介绍： Information not localized