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Citation: HUANG Ke-Long, LIU Ren-Sheng, YANG You-Ping, LIU Su-Qin, WANG Li-Ping. Shape-controlled Synthesis and Formation Mechanism of Co₃O₄ by Solvothermal Method[J]. Acta Physico-Chimica Sinica, ;2007, 23(05): 655-658. doi: 10.3866/PKU.WHXB20070507 shu

Shape-controlled Synthesis and Formation Mechanism of Co₃O₄ by Solvothermal Method

1.
College of Chemistry&Chemical Engineering, Central South University, Changsha 410083, P. R. China

Received Date: 5 September 2006
Available Online: 12 March 2007

Pure spinel Co3O4 was successfully synthesized by solvothermal method with polyethylene glycol as dispersant. The shape and size of the final product can be controlled by adjusting the solvent ratio of n-butanol to water. The interimproduct was characterized by IR, X-ray powder diffraction (XRD), TG-DTA, and transmission electron microscope (TEM). The results showed that the formation mechanism of Co3O4 included two steps: Co (OH)2-x·(NO3)x formed in solution was oxidated into Co0.81IICo0.19III(OH)2.11·(NO3)0.08·0.43H2O firstly, and then transformed to Co3O4.
- Solvothermal synthesis; Co3O4; Formation mechanism; Morphology control
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沈阳化工大学材料科学与工程学院沈阳 110142

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Shape-controlled Synthesis and Formation Mechanism of Co3O4 by Solvothermal Method

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通讯作者: 陈斌, bchen63@163.com

Shape-controlled Synthesis and Formation Mechanism of Co₃O₄ by Solvothermal Method