一系列高度稳定的半孔金属烯Fe-MOFs
Kecheng Wang1, Dawei Feng, Tian-Fu Liu
1Department of Chemistry, Texas A&M University , College Station, Texas 77842-3012, United States.
Journal of the American Chemical Society
|September 11, 2014
概括
新的半孔金属有机框架 (MOFs),PCN-600(M),呈现出大孔和在水中的特殊稳定性. PCN-600 ((Fe) 显示出作为催化剂的过氧化酶模仿剂的希望.
科学领域:
- 材料科学 材料科学 材料科学
- 纳米技术纳米技术
- 催化剂是一种催化剂.
背景情况:
- 金属有机框架 (MOF) 是多孔材料,具有多样化的应用.
- 氨基MOF因其独特的特性和催化潜力而引起人们的兴趣.
- 对于许多MOF来说,在水性环境中的稳定性,特别是在基本条件下,仍然是一个挑战.
研究的目的:
- 为了合成和描述一系列中孔性金属烯Fe-MOFs,标记为PCN-600(M).
- 为了研究合成的MOF的结构性质,孔隙特性和稳定性.
- 为了评估PCN-600 (((Fe) 作为过氧化酶模仿剂的催化活性.
主要方法:
- 合成PCN-600(M) (M = Mn,Fe,Co,Ni,Cu) 使用预装的[Fe3O(OOCCH3) 6]构件.
- 使用BET分析和PXRD等技术进行毛孔大小,毛孔体积和结构稳定性的表征.
- 在水溶液中对一系列pH值的稳定性进行评估.
- 在同氧化反应中评估PCN-600 ((Fe) 的过氧化酶类活性.
主要成果:
- 成功合成了半孔金属氨酸Fe-MOFs,PCN-600(M).
- PCN-600 呈现出 3.1 nm 的 1D 通道和 1.80 cm ((3) g ((-1) 的记录毛孔体积.
- 在pH值2至11的水溶液中显示出高稳定性,在基本条件下独特稳定.
- PCN-600 ((Fe) 有效催化了同氧化反应,作为过氧化酶模仿剂.
结论:
- PCN-600代表了一种具有优越孔状特性的新型类别的中孔性氨酸MOF.
- 它在水性介质中的非凡稳定性,包括基本条件,扩大了氨酸MOFs的适用性.
- PCN-600(Fe) 显示出作为一种有效和稳定的过氧化酶模拟剂的巨大潜力,用于催化应用.
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