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前体结构对氧化物多态体形成的影响

Mikkel Juelsholt¹, Olivia Aalling-Frederiksen¹, Troels Lindahl Christiansen¹

¹Department of Chemistry, University of Copenhagen, Universitetsparken 5, Copenhagen 2100, Denmark.

Inorganic chemistry

|September 1, 2023

概括

材料前体结构决定了水热合成过程中的晶体形成. 控制前体集群允许针对性合成特定的氧化相,如铜.

科学领域:

材料科学材料科学材料科学
固态化学固态化学
晶体学晶体学是指结晶学.

背景情况:

了解材料核化是定制材料合成的关键.
前体溶液结构对材料形成途径的影响尚不清楚.

研究的目的:

为了研究前体溶液结构如何影响晶体结构的形成,在氧化物的热水合成.
证明前体集群结构在指导结晶阶段结果中的作用.

主要方法:

采用了现场总散射技术.
研究了从甲和甲状态中氧化物的热水合成.

主要成果:

前体集群结构直接影响最终形成的晶体相.
甲状态的集群直接导致六边形的氨青铜.
在转化为青铜相之前,Paratungstate B集群会产生一种转移稳定的火中间体.

结论:

在结晶时的前体集群结构直接控制了形成的晶体阶段.
可以操纵前体结构,以针对氧化物合成中感兴趣的特定晶体相.

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