Developing the structure-property relationship to design solid state multi-stimuli responsive materials and their potential applications in different fields

Chemical Science
Bibhisan RoyPartha Hazra

Abstract

Prediction of multi-stimuli responsive behavior in newly developed luminogens is an appealing yet challenging puzzle, since no concrete design strategy has been developed so far. In this article, we demonstrate a potent strategy to gain a deep understanding of the structure-property relationship to design multi-stimuli responsive mechanochromic materials. To achieve our goal, a variety of new isoindolinone core based charge transfer luminogens exhibiting aggregation-induced emission (AIE) have been prepared through C-H bond activation using a cost-effective ruthenium (Ru) metal catalyzed one-pot synthetic strategy. We have shown that slight tuning of the donor moiety is found to be highly effective in controlling molecular packing and metastable energy states in solid states, and thus, optical properties and multi-stimuli responsive behaviors. The flexibility and twisting of donor moieties afford a loosely bound 'herringbone' packing, enabling reversible transformation under multiple mechanical stimuli. The cyclized derivative of the donor exhibits a completely different packing mode (i.e., cross packing), and subsequently, does not give rise to mechanochromism. The Hirshfeld surface analysis from a single crystal infers that n...Continue Reading

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Citations

Sep 15, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Yang KangLin-Pei Jin
Jun 27, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Di QiaoZhong-Ning Chen
Jan 23, 2021·The Journal of Physical Chemistry Letters·Bibhisan RoyPartha Hazra
Jun 18, 2021·Advanced Materials·Jing ZhangBen Zhong Tang
Jun 23, 2021·Chemistry, an Asian Journal·Steffen RiebeJens Voskuhl
Sep 27, 2018·Journal of the American Chemical Society·Sattwick HaldarRamanathan Vaidhyanathan

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Methods Mentioned

BETA
column chromatography
X-ray
AFM
mechanical treatment
mechanical treatments
thermal treatments
Fluorescence
thermal treatment

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