Butterfly-like tetraazaacenequinodimethane derivatives : synthesis, structure and halochromic properties

Butterfly-like tetraazaacenequinodimethane derivatives : synthesis, structure and halochromic properties

Two novel molecules TAP and TAH with pronounced reversible halochromic properties have been synthesized and fully characterized. Their butterfly-like structures have been confirmed through single-crystal X-ray diffraction. Their UV-Vis absorption after protonation dramatically red-shifted with naked...

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Bibliographic Details
Main Authors: Zhang, Zhongbo, Sun, Wei, Zhang, Huanxiang, Li, Xinxiong, Yu, Fei, Zhu, Jia, Li, Xianggao, Zhang, Qichun
Other Authors: School of Materials Science and Engineering
Format: Article
Language:English
Published: 2022
Subjects:
Engineering::Materials
Halochromic
Molecule Azaacene
Online Access:https://hdl.handle.net/10356/155200
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Institution: Nanyang Technological University
Language: English
Description
Summary:Two novel molecules TAP and TAH with pronounced reversible halochromic properties have been synthesized and fully characterized. Their butterfly-like structures have been confirmed through single-crystal X-ray diffraction. Their UV-Vis absorption after protonation dramatically red-shifted with naked-eye-visible color change in a very dilute concentration of 10-5 M. Note that the original color of the solution can be recovered after the neutralization with a base.

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