Structure-Performance Correlations in Electrochromic Behaviors of Terpyridine-Metal Hybrid Materials

Abstract:

Exploring the structure-property relationships is a fundamental but significant work for the design of new molecular. Rationaly designing of electrochromic materials that can switch rapidly and durably requires sophisticated understanding of the correlations between molecular structure and the performance. This work presents four electro-polymerizable metallosupramolecular coordinations self-assembled from triphenylamine-based terpyridine ligands and metal ions (Fe2+, Ru2+). The polymerized metal complexes can exhibit reversible change of the metal-to-ligand charge transfer (MLCT) absorption intensity. Along with the increase of voltage, the intensity of MLCT absorption peaks gradually reduced to disappear. Structure/performance correlations in electrochromic performance, especially the influence of different ligands and metal ions upon the coloration efficiency have been discussed.

• Periodical: Materials Science Forum (Volume 852)
• Pages: 156-163
• DOI: https://doi.org/10.4028/www.scientific.net/MSF.852.156
• Online since: April 2016
• Authors: Jia Wei Yang, Xian Ge Xie, Xiao Mei Wang*, Chang Qing Ye, Yu Yang Zhou
• Keywords: Electrochromic Behavior, Long-Term Stability, Metal-to-Ligand Charge Transfer, Terpyridine-Based Complex

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