Three in One: Stimuli-Responsive Fluorescence, Solid-State Emission, and Dual-Organelle Imaging Using a Pyrene-Benzophenone Derivative

Subhankar Kundu ◽  
Subhadeep Das ◽  
Abir Dutta ◽  
Abhijit Patra
2017 ◽  
Vol 70 (11) ◽  
pp. 1227 ◽  
Carol Hua ◽  
Stone Woo ◽  
Aditya Rawal ◽  
Floriana Tuna ◽  
James M. Hook ◽  

A series of electroactive triarylamine porous organic polymers (POPs) with furan, thiophene, and selenophene (POP-O, POP-S, and POP-Se) linkers have been synthesised and their electronic and spectroscopic properties investigated as a function of redox state. Solid state NMR provided insight into the structural features of the POPs, while in situ solid state Vis-NIR and electron paramagnetic resonance spectroelectrochemistry showed that the distinct redox states in POP-S could be reversibly accessed. The development of redox-active porous organic polymers with heterocyclic linkers affords their potential application as stimuli responsive materials in gas storage, catalysis, and as electrochromic materials.

CrystEngComm ◽  
2021 ◽  
Palaniyappan Nagarasu ◽  
Anu Kundu ◽  
Vijay Thiruvenkatam ◽  
Raghavaiah Pallepogu ◽  
Philip Philip Anthony ◽  

A series of stimuli-responsive AIEgens of tetraphenylethyelene (TPE) fused Imidazole derivatives (1-7) were synthesized and explored their substituents controlled fluorescent properties in the solid state. The structure of the synthesized...

Yang Tong ◽  
xingwei Chen ◽  
Li-Hua He ◽  
Jing-Lin Chen ◽  
Sui-Jun Liu ◽  

Color regulation of solid-state luminescence is desirable and challenging. Herein we report two new three- and four-coordinate bimetallic cuprous complexes 1 and 2, which bear a NH-deprotonated 3-(2′-pyridyl)pyrazole adopting monoanionic...

2020 ◽  
Vol 11 (1) ◽  
Chao Gao ◽  
Jian Li ◽  
Sheng Yin ◽  
Junliang Sun ◽  
Cheng Wang

Abstract The tuning of molecular switches in solid state toward stimuli-responsive materials has attracted more and more attention in recent years. Herein, we report a switchable three-dimensional covalent organic framework (3D COF), which can undergo a reversible transformation through a hydroquinone/quinone redox reaction while retaining the crystallinity and porosity. Our results clearly show that the switching process gradually happened through the COF framework, with an almost quantitative conversion yield. In addition, the redox-triggered transformation will form different functional groups on the pore surface and modify the shape of pore channel, which can result in tunable gas separation property. This study strongly demonstrates 3D COFs can provide robust platforms for efficient tuning of molecular switches in solid state. More importantly, switching of these moieties in 3D COFs can remarkably modify the internal pore environment, which will thus enable the resulting materials with interesting stimuli-responsive properties.

2020 ◽  
Vol 44 (21) ◽  
pp. 8680-8696 ◽  
Parthsarathy Gayathri ◽  
Mehboobali Pannipara ◽  
Abdullah G. Al-Sehemi ◽  
Savarimuthu Philip Anthony

Molecular engineering of triphenylamine (TPA) units produced multi-stimuli-responsive solid state fluorescent materials.

2019 ◽  
Vol 4 (13) ◽  
pp. 3884-3890 ◽  
Parthasarathy Gayathri ◽  
Subramanian Karthikeyan ◽  
Dohyun Moon ◽  
Savarimuthu Philip Anthony

2020 ◽  
Vol 4 (1) ◽  
pp. 268-276 ◽  
David T. Hogan ◽  
Benjamin S. Gelfand ◽  
Denis M. Spasyuk ◽  
Todd C. Sutherland

Core-expanded pyrenes exhibit rainbow solvatochromism, reversible acidochromism in both solution and solid-state, and reversible crystal-to-crystal mechanochromism all governed by substitution pattern.

2015 ◽  
Vol 3 (46) ◽  
pp. 12156-12163 ◽  
Cameron Peebles ◽  
Christopher D. Wight ◽  
Brent L. Iverson

The solution-state, solid-state and exceptional stimuli-responsive properties of a series of aromatic conjugated monoalkoxynaphthalene–naphthalimide donor–acceptor dyads is reported.

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