Simultaneous Fluorescence and Phosphorescence in Zn(II)-Zwitterionic Coordination Polymers with Tunable Colors

2021 ◽  
Author(s):  
Chenglin Shu ◽  
Caiping Liu ◽  
Mingyan Wu ◽  
Cheng Chen ◽  
Maochun Hong
Keyword(s):  
Charge Transfer ◽  
Coordination Polymers ◽  
Fluorescence And Phosphorescence

Three similar ionic-type ligands which can provide ligand-centred charge transfer (LCCT) have been employed to synthesize three isostructural complexes respectively. Since the coordination of the ligands to the metal centres,...

Tuning the photoelectric response of pyrene-based coordination polymers by optimizing charge transfer

2021 ◽  
Author(s):  
Wenjuan Xu ◽  
Yupei Sun ◽  
Xiangru Meng ◽  
Wenjing Zhang ◽  
Hongwei Hou
Keyword(s):  
Charge Transfer ◽  
Coordination Polymers ◽  
Photoelectric Response ◽  
Photoelectric Properties ◽  
Π Stacking

Three π–π stacked CPs were designed and synthesized for application of photoelectric response. The effect of charge transfer on the photoelectric properties is explored by adjusting the composition and π-stacking fashion of the CPs.

scholarly journals Crystal engineering of coordination-polymer-based iodine adsorbents using a π-electron-rich polycarboxylate aryl ether ligand

CrystEngComm ◽  
2020 ◽  
Vol 22 (40) ◽  
pp. 6612-6619
Author(s):  
Junling Chen ◽  
Bo Li ◽  
Zhenzhen Shi ◽  
Cheng He ◽  
Chunying Duan ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Coordination Polymer ◽  
Coordination Polymers ◽  
Crystal Engineering ◽  
Adsorption Process ◽  
Halogen Bonding ◽  
Aryl Ether ◽  
Interaction Sites ◽  
Charge Transfer Interaction ◽  
Iodine Adsorption

This work revealed that the synergy of microporous channels and convergent arrangements of halogen bonding and charge-transfer interaction sites within coordination polymers facilitated the iodine adsorption process.

Host–Guest Engineering of Coordination Polymers for Highly Tunable Luminophores Based on Charge Transfer Emissions

2017 ◽  
Vol 9 (3) ◽  
pp. 2662-2668 ◽  
Author(s):  
Bei Zhao ◽  
Na Li ◽  
Xi Wang ◽  
Ze Chang ◽  
Xian-He Bu
Keyword(s):  
Charge Transfer ◽  
Coordination Polymers

A New Type of Charge-Transfer Salts Based on Tetrathiafulvalene–Tetracarboxylate Coordination Polymers and Methyl Viologen

2014 ◽  
Vol 53 (7) ◽  
pp. 3480-3487 ◽  
Author(s):  
Yu-De Huang ◽  
Peng Huo ◽  
Ming-Yan Shao ◽  
Jing-Xue Yin ◽  
Wei-Chun Shen ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Coordination Polymers ◽  
Methyl Viologen ◽  
Charge Transfer Salts ◽  
New Type

Molecular Luminescence Studies of Flavins, II.

1972 ◽  
Vol 27 (9) ◽  
pp. 1011-1015 ◽  
Author(s):  
Pill-Soon Song ◽  
Thomas A. Moore ◽  
William E. Kurtin
Keyword(s):  
Energy Transfer ◽  
Charge Transfer ◽  
Carboxylic Acid ◽  
Excited States ◽  
Polarization Spectrum ◽  
Coupling Mechanism ◽  
Fluorescence Depolarization ◽  
Molecular Luminescence ◽  
Experimental Geometry ◽  
Fluorescence And Phosphorescence

The effects of experimental geometry on the theoretical polarizations of the S1 ← S0 and S2 ← S0 bands of π→π* type in riboflavin have been examined. Polarizations of these two bands are characterized by an angle between them in the range of 20—28° and are relatively insensitive to the input geometry. Thus the predicted polarizations are generally in agreement with fluorescence polarization spectrum of riboflavin at 77°K. Alloxazine forms a strong complex with KI, and the fluorescence and phosphorescence from the charge transfer states have been characterized by means of luminescence and photoselection measurements. Riboflavin did not form a strong complex with KI, but it forms aggregates (dimer) more readily than alloxazine. The excited states of flavins can be populated by the weak dipole-dipole coupling mechanism of energy transfer from 1La states of indoles to the S2 state of flavins. The measured critical distances estimated from the fluorescence depolarization experiments range from 31 Å for indole to 40 A for indole-2-carboxylic acid in glycerol-methanol mixture (9:1) at 263°K.

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