Copper(i) iodide coordination polymers with triazole substituted pyridine ligands: photophysical and electrical conductivity properties

Abstract

This work aims to synthesize multifunctional materials with tunable emission properties. To pursue this, three isomeric ligands; 2-(1H-1,2,4-triazol-1-yl)pyridine (L1), 3-(1H-1,2,4-triazol-1-yl)pyridine (L2) and 4-(1H-1,2,4-triazol-1-yl)pyridine (L3) were reacted with CuI to afford...

Semiconducting 2D Copper(I) Framework for Sub-ppb-Level Ammonia Sensing

“…The distances of Cu–I and Cu–N are in the range of 2.62–2.72 and 2.02–2.05 Å, respectively, which are similar to corresponding bond lengths in CuTz1 . The diagonal Cu–Cu distance in the Cu 2 I 2 rhomboid chain is 2.95 Å, which is quite longer than the sum of the van der Waals radii (2.80 Å) and in the range of similarly reported Cu 2 I 2 rhomboid CPs. − …”

“…A continuous CuI cluster with small average Cu−Cu (2.71 Å) and Cu−I (2.67 Å) distances leads to better overlapping of orbitals for the propagation of charge carriers. 35,36,41 To improve the practical applicability of a gas sensor, a chemiresistive sensor was fabricated from the coordination polymer CuTz1. First, it is blended with an ethanol solution.…”

“…The electrical conductivity measurements suggest the semiconducting nature of CuTz1 with an electrical conductivity value of 6.52 × 10 –7 S cm –1 (Figure S6). A continuous CuI cluster with small average Cu–Cu (2.71 Å) and Cu–I (2.67 Å) distances leads to better overlapping of orbitals for the propagation of charge carriers. ,, To improve the practical applicability of a gas sensor, a chemiresistive sensor was fabricated from the coordination polymer CuTz1 . First, it is blended with an ethanol solution.…”

A two-dimensional semiconducting Cu(i)-MOF for binder and conductive additive-free supercapattery

“…Recently, we have reported one-dimensional Cu( i ) CP with the same ligand, where only one nitrogen of the triazole ring is coordinated with the metal center. 54 Interestingly, all the nitrogens are coordinated with the Cu( i ) center and the polymeric structure shows the presence of two different bonding modes of cyanides; μ 2 -C:N and μ 3 -C:C:N. Though the occurrence of different coordination modes of cyanide in a single MOF is unique, μ 2 -C:N and μ 3 -C:C:N have been previously reported in CuCN-CPs by the Zhou, Xing Li, and Giordana groups. 55–57 The Cu1 adopts tetrahedral geometry, coordinated by triazolyl N4, two μ 3 -cyanide C8 and two μ 2 -cyanide N5 atoms.…”

Semiconducting Copper(I) Iodide 2D-Coordination Polymers for Efficient Sunlight-Driven Photocatalysis in Dye Degradation

“…Copper iodide (CuI) hybrid materials have attracted much attention and have been extensively explored in the past decade, thanks to their applications in different fields of material science. − The charge-neutral inorganic motif Cu n I n can take many different forms. CuI 1D chains, Cu 2 I 2 rhomboid dimers, and Cu 4 I 4 cubane tetramers are the most common secondary building units (SBUs), leading to the formation of zero-dimensional (0D) discrete clusters to one-dimensional (1D) extended chains, two-dimensional (2D) sheets, and three-dimensional (3D) networks. − Apart from the rich structural diversity, less toxicity, cost-effectiveness, unique luminescence, and semiconducting properties further increase the applicability of these hybrid materials. − …”