Two-dimensional coordination polymers of Zn(II) and Cd(II) derived from 3,3′,5,5′-azobenzenetetracarboxylic acid exhibiting solvent facilitated structure reversibility

A dual-functional luminescent Tb(iii) metal–organic framework for the selective sensing of acetone and TNP in water

“…Tb(NO 3 ) 3 $6H 2 O, 1,10-phenanthroline monohydrate (phen), nitrobenzene (NB), 1,3-dinitrobenzene (1,3-DNB), 4-nitrotoluene (4-NT), 2,4-dinitrotoluene (2,4-DNT), 2,4,6-trinitrotoluene (TNT), 4nitrophenol (4-NP), 2,6-dinitrophenol (2,6-DNP), and 2,4,6-trinitrophenol (TNP) were purchased from Sigma-Aldrich Chemical Company, USA. 3,3 0 ,5,5 0 -Azobenzene-tetracarboxylic acid (H 4 abtc) was synthesized according to a previous report with slight modi-cations 11 and successfully characterized via infrared, NMR, and HRMS spectroscopy ( Fig. S1-S4 †).…”

A New Nickel Coordination Polymer Constructed From 4-[(8-Hydrox -Y 5-Quinolinyl) Azo]-Benzenesulfonic Acid: Synthesis, Structure and Property

“…434 nm upon excitation at 375 nm, comparing with free ligand that the emission band of compound 1 is slightly shifted. So we can know the fluorescent properties of compound 1 may be mainly caused by the intraligand electronic transfer, which can be attributed to the π-π* or n-π* intraligand electronic transitions including the -N=N-based π-π* transition ( Figure 6) [19][20][21].…”

Synthesis and characterization of novel azobenzene-based mesogens and their organization at the air–water and air–solid interfaces

“…The starting material, azobenzenetetracarboxylic acid was synthesized using a procedure reported in the literature. 28 For the synthesis of the target material, azobenzenetetracarboxylic acid (1 equivalent) was dissolved in KOH solution to increase the pH of the solution to about 8-9. To that solution, the corresponding u-bromo terminated cyanobiphenyl precursor (6 equivalents) and 100 mg of tetraoctyl ammonium bromide (TOAB) were added.…”