Co3O4纳米颗粒尺寸和形态的浓度和温度依赖性变化：洞察生长行为和可扩展性†

IF 2.6 3区化学 Q2 CHEMISTRY, MULTIDISCIPLINARY

CrystEngComm Pub Date : 2025-04-29 DOI:10.1039/D5CE00366K

Johannes Kießling and Anna S. Schenk

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引用次数: 0

摘要

在环境气氛中合成了粒径为5 ~ 16 nm的胶体稳定的Co3O4纳米颗粒，并具有浓度依赖的从立方体到立方形态的转变。通过系统地改变试剂浓度、温度和生长时间，实现了粒径的可控调节，粒径分布窄至12%。合成的可扩展性和生长过程中显著的稳定性确保了足够的技术应用产量。

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Concentration- and temperature-dependent variation of Co3O4 nanoparticle size and morphology: insights into the growth behaviour and scalability†

Colloidally stable Co₃O₄ nanoparticles with diameters of 5–16 nm and a concentration-dependent transition from cuboidal to cubic morphologies are synthesised in ambient atmosphere. Through systematic variation of reagent concentration, temperature, and growth time, controllable adjustments of the particle size along with narrow size distributions as low as 12% are achieved. The scalability of the synthesis and the remarkable stability during the growth regime ensure sufficient yield for technical applications.

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