Issue 36, 2021

Construction of a viologen-derived 2D material with photochromism, photoswitchable luminescence and inkless and erasable prints via sunlight irradiation

Abstract

Utilizing the energy of sunlight is an attractive green prospect and thus extending the photoinduced energy to the visible spectrum is of great significance to the better utilization of solar energy in the research of photochromic materials. In this work, a viologen-derived Zn(II) material with the molecular formula [Zn(tdc)(cpbpy)]n (1) has been synthesized by using 2,5-thiophenedicarboxylic acid (H2tdc) and N-(3-carboxypyridin-5-yl)-4,4′-bipyridinium (cpbpy) ligands under solvothermal conditions. Compound 1 features a 2-fold interpenetrating 2D structure, exhibiting photochromic properties upon sunlight or visible-light irradiation via radical formation. Meanwhile, solid-state luminescence behaviors of 1 could be reversibly modulated during the photochromic process. Importantly, the compound shows its potential application as an inkless and erasable print medium via sunlight irradiation.

Graphical abstract: Construction of a viologen-derived 2D material with photochromism, photoswitchable luminescence and inkless and erasable prints via sunlight irradiation

Supplementary files

Article information

Article type
Paper
Submitted
09 jul. 2021
Accepted
30 jul. 2021
First published
30 jul. 2021

CrystEngComm, 2021,23, 6315-6321

Construction of a viologen-derived 2D material with photochromism, photoswitchable luminescence and inkless and erasable prints via sunlight irradiation

Z. Li, L. Xue, S. Liu and S. Wang, CrystEngComm, 2021, 23, 6315 DOI: 10.1039/D1CE00900A

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