The production of dispersible zirconia nanocrystals: A recent patent review

研究成果: 雜誌貢獻期刊論文同行評審

5 引文 斯高帕斯(Scopus)


Zirconia nanocrystals are the best materials to combine with various resins into a transparent high-index composite. Such composite is crucial for the manipulation or enhancement of light in devices such as Organic-Light-Emitting-Diode (OLED) or Liquid- Crystal-Displays (LCD) that surrounds us today. To make a transparent composite, the nanocrystals have to be small (<10nm), un-agglomerated and fully dispersed in resins. They must also be crystalline to provide a better refractive index. Furthermore, since the index of a composite is determined by the volume fraction of the constituents, a substantial increase can only be achieved with a high zirconia loading, usually more than 50wt%. Consequently, the price of zirconia nanocrystals should not be too expensive compared to that of common resins. This requirement excludes many synthesis methods reported in the scientific literatures that employ delicate chemicals or require elaborate procedures. On the other hand, many simpler and large-scale processes for the production of dispersible zirconia nanocrystals have been patented by different companies. A review of the latest development is presented in this paper. Focus is placed particularly on the size, crystalline phase and the dispersibility of the products, as well as on their associated cost.

頁(從 - 到)76-95
期刊Recent Innovations in Chemical Engineering
出版狀態已出版 - 2014


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