Ni(NO3)2@6H2O和NH4HCO3在醇-水溶液中反应合成NiCO3@2Ni(OH)2@2H2O前驱体,经煅烧后得到大约10nm NiO粉体.同传统的水溶液法相比,醇-水法得到的NiO粉体粒径尺寸小、分布范围窄和团聚少,PEG的添加能够减少团聚.
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