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以草酸和醋酸盐为原料，用低热固相化学反应合成出前驱配合物ＮｉＣ２Ｏ４·２Ｈ２Ｏ，ＣｕＣ２Ｏ４ 和ＺｎＣ２Ｏ４·２Ｈ２Ｏ，再分别在３５０℃，３００ ℃和４６０℃热分解２ｈ，得到纳米ＮｉＯ，ＣｕＯ和ＺｎＯ。用Ｘ－ 射线粉末衍射、透射电镜对产物的组成、大小、形貌进行表征。结果表明，纳米ＮｉＯ为球形立方晶系结构，平均粒径约为４０ｎｍ 左右；纳米ＣｕＯ为球形单斜晶系结构，平均粒径约为３０ｎｍ 左右；ＺｎＯ为粒度分布均匀的球形六角晶系结构，平均粒径约为２０ｎｍ 。
The precursors NiC2O4 · 2H2O, CuC2O4 and ZnC2O4 · 2H2O were synthesized by low-temperature solid-state chemical reaction using oxalic acid and acetic acid as raw materials, and then thermally decomposed at 350 ℃, 300 ℃ and 460 ℃ for 2h respectively to obtain nano-NiO, CuO And ZnO. The composition, size and morphology of the product were characterized by X-ray powder diffraction and transmission electron microscopy. The results show that the nano-NiO is a spherical cubic structure with an average particle size of about 40 nm. The nano-CuO is a spherical monoclinic structure with an average particle size of about 30 nm. ZnO has a spherical hexagonal structure with uniform particle size distribution, The average particle size is about 20 nm.