Construction of Coordination Nanosheets Based on Tris(2,2'-bipyridine)-Iron (Fe2+ ) Complexes as Potential Electrochromic Materials

ACS Applied Materials & Interfaces
Manas Kumar BeraMasayoshi Higuchi

Abstract

The coordination nanosheets (CONASHs) are emerging as a new class of functional two-dimensional materials, which are one of the most active research areas of chemistry and physics in this decade. Despite the success of various structural and functional CONASHs, the development of a new molecular structure to discover alluring functional CONASHs remains challenging. Herein, we report successful preparation of two novel CONASHs (NBP1 and NBP2) through coordination between one of the unexplored molecular frameworks of bis(2,2'-bipyridine)-based ligands (BP1 and BP2) and Fe2+ ions. Using a liquid-liquid interface as a platform, large-scale thin films of multilayer CONASHs have been prepared without any support, which can be deposited onto any desired substrate. Detailed characterization of the CONASHs using various microscopic and spectroscopic techniques reveals homogeneous and flat morphology of nanometer thickness with the quantitative formation of tris(2,2'-bipyridine)-Fe2+ complex motifs in the nanosheet frameworks. The color of the films has been tuned from blue to magenta by the suitable molecular design of the ligands. Owing to the insolubility of the CONASH films in any solvent and the presence of redox-active Fe2+, we exp...Continue Reading

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Citations

Oct 8, 2019·Macromolecular Rapid Communications·Manas K BeraMasayoshi Higuchi
Dec 13, 2019·Chemical Communications : Chem Comm·Satya Ranjan Jena, Joyanta Choudhury
Sep 29, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Yu KuaiCheng Zhang
Oct 21, 2020·Chemical Society Reviews·Guojian YangSean Xiao-An Zhang
Jan 21, 2021·ACS Applied Materials & Interfaces·Indulekha MukkattAyyappanpillai Ajayaghosh
Nov 15, 2020·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Manas Kumar BeraMasayoshi Higuchi
Apr 7, 2021·Langmuir : the ACS Journal of Surfaces and Colloids·Ming HanHong-Guo Liu
Jul 13, 2021·Chemical Communications : Chem Comm·Susmita Roy, Chanchal Chakraborty
Sep 2, 2020·ACS Applied Materials & Interfaces·Nadia O LaschukOlena V Zenkina

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