Fe(II) and Co(II) Complexes of (4-(4-bromophenyl)-[2,2′-bipyridine]-6-carboxylic acid) Synthesis, Characterization and Electrochromic studies

被引：0

作者：

Saba ^{[1
]}

Basha, Fatima Zehra ^{[2
]}

Maqsood, Zahida Tariq ^{[1
]}

Wasim, Agha Arslan ^{[1
]}

机构：

[1] Univ Karachi, Dept Chem, Karachi, Pakistan

[2] Univ Karachi, Int Ctr Chem & Biol Sci, Karachi, Pakistan

来源：

JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2017年 / 39卷 / 01期

关键词：

Substituted bipyridine; Stoichiometry; Bipyridine complexes; Tridentate ligand; Electrochromism; Cyclic voltammetry; MOLECULAR ELECTRONIC APPLICATIONS; BIPYRIDINE COMPLEXES; REDOX PROPERTIES; SOLAR-CELLS; METAL; BRIDGE; LIGAND; IRON; RU;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this study novel complexes of substituted bipyridine (4-(4-bromophenyl)-[2,2'-bipyridine]-6-carboxylic acid) with Fe+2 and Co+2 were synthesized and characterized by different physical, analytical and spectral techniques which includes H-1-NMR, MALDI-MS, FTIR, UV-VIS Spectrophotometry, CHN analysis and conductometry. Mole ratio method revealed that both complexes satisfied ML2 stoichiometry. Other characterization studies showed that substituted bipyridine acted as a tridentate ligand, with two pyridine N and one carboxylic O atom as binding sites per ligand molecule. The complexes were found octahedral, neutral and possessed fairly high molar absorptivities in visible region. Electrochromic studies revealed that Fe (II) complex had relatively good electrochromic properties with a reversible color change from blue to pale yellow. Co (II) complex, however, did not show significant electrochromic properties in the visible region.

引用

页码：35 / 42

页数：8

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