solid state fluorescence
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2022 ◽  
Author(s):  
Hikaru Sakamoto ◽  
Akitaka Ito ◽  
Masataka Ohtani

We demonstrate that the nanosize effect appears to affect the properties of dye molecules encapsulated in the pores of a metal–organic framework (dye@MOF). The emissive properties of the nanosized dye@MOF...


CrystEngComm ◽  
2022 ◽  
Author(s):  
Tamara Vaganova ◽  
Enrico Benassi ◽  
Yuri V Gatilov ◽  
Igor P. Chuikov ◽  
Denis P Pishchur ◽  
...  

A series of para- and ortho-aminobenzonitriles differing in the nature and number of halogen substituents was used to synthesize 2:1 co-crystals with 18-crown-6 ether. Supramolecular structure of the obtained co-crystals...


2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Ya-Li Zhao ◽  
Qi-Ying Weng ◽  
Yu-Qian Xie ◽  
Jia-Ming Li

Abstract A pair of two-dimensional (2D) isostructural coordination polymers (CPs), {[Co(2,3-qldc)(H2O)]} n (1) and {[Mn(2,3-qldc)(H2O)]} n (2), where 2,3-H2qldc = quinoline-2,3-dicarboxylic acid, were hydrothermally synthesized and characterized through IR spectroscopy, elemental and thermal analysis, power X-ray diffraction, and single-crystal X-ray diffraction. The results have revealed that the fully deprotonated 2,3-H2qldc ligand connects the Co(II)/Mn(II) atoms with a μ 3-bridge to form a square-wave 2D network, which is further extended into 3D stacks through O–H···O, C–H···O hydrogen bonds and π···π stacking interactions. Topologically, 1 or 2 can be simplified as a 4-connected sql type with a Schläfli symbol {44·62} and a Shubnikov tetragonal plane net, or as a 3-connected fes type with a Schläfli symbol {4·82} and a Shubnikov plane net. The thermal stability and the solid state fluorescence properties of 1 and 2 were investigated.


Author(s):  
Patricia Bolle ◽  
Tarik Benali ◽  
Clotilde Menet ◽  
Marin Puget ◽  
Eric Faulques ◽  
...  

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