High-Throughput Continuous Hydrothermal Synthesis of an Entire Nanoceramic Phase Diagram

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• 作者：Xiaole Weng ; Jeremy K. Cockcroft ; Geoffrey Hyett ; Martin Vickers ; Paul Boldrin ; Chiu C. Tang ; Stephen P. Thompson ; Julia E. Parker ; Jonathan C. Knowles ; Ihtesham Rehman ; Ivan Parkin ; Julian R. G. Evan
• 刊名：Journal of Combinatorial Chemistry
• 出版年：2009
• 出版时间：September 14, 2009
• 年：2009
• 卷：11
• 期：5
• 页码：829-834
• 全文大小：294K
• 年卷期：v.11,no.5(September 14, 2009)
• ISSN：1520-4774

文摘

A novel High-Throughput Continuous Hydrothermal (HiTCH) flow synthesis reactor was used to make directly and rapidly a 66-sample nanoparticle library (entire phase diagram) of nanocrystalline Ce_xZr_yY_zO_2−δ in less than 12 h. High resolution PXRD data were obtained for the entire heat-treated library (at 1000 °C/1 h) in less than a day using the new robotic beamline I11, located at Diamond Light Source (DLS). This allowed Rietveld-quality powder X-ray diffraction (PXRD) data collection of the entire 66-sample library in <1 day. Consequently, the authors rapidly mapped out phase behavior and sintering behaviors for the entire library. Out of the entire 66-sample heat-treated library, the PXRD data suggests that 43 possess the fluorite structure, of which 30 (out of 36) are ternary compositions. The speed, quantity and quality of data obtained by our new approach, offers an exciting new development which will allow structure−property relationships to be accessed for nanoceramics in much shorter time periods.