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Metal Organic Frameworks (MOFs) with Copper Based Building Units

Copper Iodide and Copper Cyanide MOFs used in Photophysical Applications

Metal-Organic Frameworks MOFs) are highly porous materials with well-defined, 3-D ordered structures.   Due to their structural and functional tunability, these advanced materials have widespread applications in gas storage and separation, catalysis, optics, and many others.

Copper (I) iodide is a p-type semiconductor having a band gap of about 3.1 eV.  The product can be used for photophysical applications.  The CuI based MOF, Bis(N,N'-dimethylpiperazine)tetra[copper(I) iodide] (29-0550), has also attracted attention. This product consists of (CuI)4 nodes with bridging N,N′-dimethylpiperazine ligands1

Product 29-3015, Bis(1,4-diazabicyclo[2.2.2]octane)tetra(copper(I) iodide) (CuI)4(DABCO)2, is also a Cu4I4 cluster, but it is linked with the bi-functional DABCO ligand. The product displays bright luminescence both at room temperature and at 77 K. 

Another copper MOF, (Hexamethylenetetramine)penta[copper(I) cyanide] (29-0565)3, also displays interesting  luminescence behavior.  This copper complex is a 3D photoluminescent, very densely-packed, network of tetradentate ligands.


Luminescence of (CuCN)5(HMTA):)a) spectra at 298, 77 and 4 K; (b) photos (left to right) room light/298 K, UV light/298 K, UV light/77 K.

Having both high and low energy bands, 29-0565 displays luminescence, of varying intensity, ranging from green to orange at ambient temperatures (see image).  The  l max excitation range is 282 and 304 nm, and the l max emission range is 417 to 522nm.


  1. J. P. Safko. Network formation and photoluminescence in copper(I) halide complexes with substituted piperazine ligands. Dalton Trans., 2012, 41, 11663.
  2. D. Braga et al. Reversible Interconversion between Luminescent Isomeric Metal–Organic Frameworks of [Cu4I4(DABCO)2] (DABCO=1,4-Diazabicyclo[2.2.2]octane). Chem. Eur. J., 2010, 16, 1553 – 1559
  3. M. J. Lim. Copper(I) Cyanide Networks: Synthesis, Structure, and Luminescence Behavior. Part 2. Piperazine Ligands and Hexamethylenetetramine. Inorg. Chem., 2008, 47, 6931


Products mentioned in this blog:

29-0550: Bis(N,N’-dimethylpiperazine)tetra[copper(I) iodide], 98% MOF

29-3015: Bis(1,4-diazabicyclo[2.2.2]octane)tetra(copper(I) iodide) (CuI)4(DABCO)2

29-0565: (Hexamethylenetetramine)penta[copper(I) cyanide], 98% MOF


Visit the below links to view additional details on our website:


MOFs and Ligands for MOF Synthesis


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