Cobalt MOFs base on benzimidazol and varied carboxylate ligands with higher capacitance for supercapacitors and magnetic properties
作者:Jun-Liang Dong、Fei Xie、Jia-Qiang Du、Hai-Ming Lan、Ru-Xia Yang、Duo-Zhi Wang
DOI:10.1016/j.jssc.2019.120917
日期:2019.11
[Co3(L)(1,2,4-TBC)2(H2O)4]n (2), [Co1.5(L)(1,2,4,5-HBTC)(H2O)2]n (3), [Co(L)(5-AIPC)]n (4), and [Co(L)(1,4-NDC)]n (5), (L = 3,6-bis(benzimidazol-1-yl)pyridazine; 1,4-H2BDC = terephthalic acid; 1,2,4-H3BTC = benzene-1,2,4-tricarboxylic acid; 1,2,4,5-H4BTC = benzene-1,2,4,5-tetracarboxylic acid; 5-H2AIPC = aminoisophthalic acid; 1,4-H2NDC = naphthalene-1,4-dicarboxylic acid) have been synthesized, and
五个新的基于三维(3D)
钴的
金属有机框架(MOF),[Co(L)0.5(1,4-BDC)] n(1),[Co 3(L)(1,2,4) -
TBC)2(H 2 O)4 ] n(2),[Co 1.5(L)(1,2,4,5-H
BTC)(H 2 O)2 ] n(3),[Co(L) (5-
AIPC)] n(4)和[Co(L)(1,4-NDC)] n(5),(L = 3,6-双(
苯并咪唑-1-基)
哒嗪; 1,4-H 2 BDC =
对苯二甲酸; 1,2,4-H 3
BTC =苯-1,2,4-
三羧酸; 1,2,4,5-H 4
BTC =苯-1,2,4,5-四
羧酸; 5-H 2
AIPC =
氨基
间苯二甲酸;已经合成了1,4-H 2 NDC =
萘-1,4-二
羧酸),然后通过IR光谱,热重分析,元素分析,粉末X射线衍射和单晶X射线衍射进行表征。结构分析显示,复合物1-5具有3D网络,其中1显示2互穿的3D框架结构,其点符号为(4