An unprecedented (3,4,24)-connected heteropolyoxozincate organic framework as heterogeneous crystalline Lewis acid catalyst for biodiesel production.

An unprecedented (3,4,24)-connected heteropolyoxozincate organic framework as heterogeneous crystalline Lewis acid catalyst for biodiesel production.
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前所未有的(3,4,24)连接的杂多氧锌酸盐有机骨架作为多相结晶路易斯酸催化剂用于生物柴油生产

DOI:
10.1038/srep02616
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发表时间:
2013
期刊:
影响因子:
4.6
通讯作者:
Lan YQ
Lan YQ
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Du DY;Qin JS;Sun Z;Yan LK;O'Keeffe M;Su ZM;Li SL;Wang XH;Wang XL;Lan YQ

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基于后过渡金属氧簇合物成功合成了一种新型的三维十六核杂多锌酸盐有机骨架IFMC-200。IFMC-200不仅代表了(3,4,24)-连接骨架的第一个例子,而且在晶体结构中包含第一个24-连接的单金属簇。它具有上级热稳定性和良好的水稳定性,在一定的pH值范围内对酸碱的存在甚至不敏感。此外,它表现为多相结晶刘易斯酸催化剂,具有良好的长链脂肪酸转化活性,而不是短链脂肪酸,以及脂肪酸与醇的酯化反应制备生物柴油的高循环效率。
A novel 3D hexadecanuclear heteropolyoxozincate organic framework, IFMC-200, has been successfully synthesized based on a late transition metal-oxygen cluster. IFMC-200 not only represents the first example of (3,4,24)-connected framework but also contains the first 24-connected single metal cluster in a crystal structure. It exhibits superior thermal stability, good water-stability and even insensitivity to the existence of acid and base within a certain range of pH values. Furthermore, it performs as a heterogeneous crystalline Lewis acid catalyst with good activity for the conversion of long-chain fatty acids rather than short-chain ones and high recycling efficiency for esterification reaction of fatty acids with alcohols to produce biodiesel.
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期刊: SCIENTIFIC REPORTS
影响因子: 4.6
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