结合体克拉特酸盐和立方钻石晶体形成之间的相互作用
Łukasz Baran1, Dariusz Tarasewicz1, Wojciech Rżysko1
1Department of Theoretical Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria-Curie-Sklodowska University in Lublin, Pl. M Curie-Sklodowskiej 3, 20-031 Lublin, Poland.
外表面潜力控制不齐的粒子组合,使立方钻石晶体或克拉酸盐的选择性生长成为可能,克服了批量阶段的竞争.
科学领域:
- 材料科学 材料科学 材料科学
- 计算化学的计算化学
- 软物质物理学 软物质物理学
背景情况:
- 对于特定的晶体结构来说,控制不齐的粒子组合是具有挑战性的,因为具有相似的自由能量的相相对应.
- 现有的方法努力实现选择性,往往导致结晶结构,玻璃或液态相的混合.
研究的目的:
- 为了研究外部表面电位对四面体不整的粒子自我组装的影响.
- 为了证明压制批量组装行为并实现选择性晶体生长.
主要方法:
- 使用分子动力学模拟来建模四面体不整的粒子的行为.
- 将不同强度的外部表面潜力应用于系统.
主要成果:
- 外部表面潜力可以抑制在散装模拟中观察到的聚合物和堆叠混合物的形成.
- 通过调整表面电位强度,可以实现立方钻石晶体或空的sII酸盐的选择性生长.
- 最初的附加层的结构决定了新出现的有序网络的形成.
结论:
- 外部表面潜力提供了一个强大的工具,可以将不一致的粒子的自我组装引导到所需的晶体架构中.
- 这种方法克服了仅仅控制价值的局限性,为目标材料设计提供了途径.
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