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将孤立的空隙转化为通道空间,通过调节结梯子的堆叠方式

Naoto Murakami¹, Ryusei Oketani¹, Ichiro Hisaki¹

¹Division of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka, 560-8531, Japan.

Chemistry, an Asian journal

|December 1, 2024

概括

研究人员合成了一种新的多孔材料,CPB(OMe),它形成1D通道,用于增强溶剂去除. 这种激活材料的表面积比其前身CPB更大.

科学领域:

材料科学材料科学材料科学
超分子化学超分子化学
晶体学晶体学是指结晶学.

背景情况:

1,2,3,4-Tetrakis ((carboxyphenyl) (CPB) 通过键形成梯形图案.
堆叠CPB图案导致不受控制的离散包含空间.
控制堆叠方式对于设计功能性多孔材料至关重要.

研究的目的:

合成CPB的衍生物来调节梯子图案的堆叠方式.
创建一个结晶的结合有机框架 (HOF) 具有受控的多孔性.
为了研究新材料的多孔性质和溶剂去除能力.

主要方法:

合成CPB(OMe) 衍生物与甲基替代剂.
结晶形成一个与结合的有机框架 (HOF).
从HOF中去除溶剂以产生活性多孔物质 (CPB(OMe) -a).
BET的表面积分析.

主要成果:

CPB(OMe) 结晶成一个HOF,梯形图案叠加形成1D纳入通道.
道结构使包含的溶剂分子易于去除.
激活的CPB(OMe) -a呈现出微孔结构,BET表面积为199m2g-1.
CPB-OMe-a的表面积大于激活CPB-a的表面积.

结论:

甲基替代有效调节CPB图案的堆叠,导致1D通道.
由此产生的HOF,CPB(OMe),在激活时提供了更好的溶剂可访问性和更大的表面积.
这项工作展示了设计具有针对潜在应用量身定制的孔隙性HOF的策略.

关键词:

碳氧酸是碳氧酸中的一种.晶体工程晶体工程结框架框架是以结为基础的.这是一个梯子形状的梯子.有孔的材料是多孔的材料.

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