[Objectives]The paper was to explore a new method for preparing nano ZnO particles.[Methods]A mixture of 2,6-di(2′,4′-dicarboxylphenyl)pyridine(0.05 mM),Zn(NO_(3))2·6H_(2)O(0.1 mM)were added to the solution of ...[Objectives]The paper was to explore a new method for preparing nano ZnO particles.[Methods]A mixture of 2,6-di(2′,4′-dicarboxylphenyl)pyridine(0.05 mM),Zn(NO_(3))2·6H_(2)O(0.1 mM)were added to the solution of DMA(3 mL)and H_(2)O(3 mL),and heated at 90℃for 12 h.The PXRD,TGA and fluorescence properties were characterized.[Results]Transparent block crystals of the[Zn_(2)(2,6-ddpp)(DMA)_(3)(H_(2)O)·H_(2)O]n were obtained(yield 85.4%,based on Zn).The Zn-MOF framework would collapse to form ZnO particles when the temperature exceeded 350℃.[Conclusions]A new Zn(II)-MOF is successfully constructed,and the compound exhibits monoclinic P21/c space group.The results will provide a theoretical basis for the preparation of nano ZnO.展开更多
Space Technology Development in China China began to develop space technology in the 1950s. After 40 years, China now has necessary facilities for the research, design, development, production and test of various sate...Space Technology Development in China China began to develop space technology in the 1950s. After 40 years, China now has necessary facilities for the research, design, development, production and test of various satellites and series launch vehicles, many experts with rich experience and superb technology, three satellite launch bases in Jiuquan, Taiyuan and Xichang, and Xi’an TT&C Station, which have the ability to launch lowearth-orbit,展开更多
基金Supported by Natural Science Foundation of Hainan Province(320QN355).
文摘[Objectives]The paper was to explore a new method for preparing nano ZnO particles.[Methods]A mixture of 2,6-di(2′,4′-dicarboxylphenyl)pyridine(0.05 mM),Zn(NO_(3))2·6H_(2)O(0.1 mM)were added to the solution of DMA(3 mL)and H_(2)O(3 mL),and heated at 90℃for 12 h.The PXRD,TGA and fluorescence properties were characterized.[Results]Transparent block crystals of the[Zn_(2)(2,6-ddpp)(DMA)_(3)(H_(2)O)·H_(2)O]n were obtained(yield 85.4%,based on Zn).The Zn-MOF framework would collapse to form ZnO particles when the temperature exceeded 350℃.[Conclusions]A new Zn(II)-MOF is successfully constructed,and the compound exhibits monoclinic P21/c space group.The results will provide a theoretical basis for the preparation of nano ZnO.
文摘Space Technology Development in China China began to develop space technology in the 1950s. After 40 years, China now has necessary facilities for the research, design, development, production and test of various satellites and series launch vehicles, many experts with rich experience and superb technology, three satellite launch bases in Jiuquan, Taiyuan and Xichang, and Xi’an TT&C Station, which have the ability to launch lowearth-orbit,
