The impact of cation–π, anion–π, and CH–π interactions on the excited-state intramolecular proton transfer of 1,4-dihydroxyanthraquinone

Author(s):  
Asiyeh Shahraki ◽  
Ali Ebrahimi ◽  
Shiva Rezazadeh ◽  
Roya Behazin

The impact of ion-π interactions on the photophysical properties of quinizarin have been investigated using the density functional theory and time-dependent density functional theory at the M06-2X/6-311++G(d,p) level in the gas phase and solution.

RSC Advances ◽  
2020 ◽  
Vol 10 (31) ◽  
pp. 18519-18525
Author(s):  
Jiawei Li ◽  
Deming Han ◽  
Jing Gao ◽  
Tong Chen ◽  
Bao Wang ◽  
...  

The electronic structure and photophysical properties of four tris-cyclometalated iridium(iii) complexes have been theoretically investigated by the density functional theory (DFT) and time-dependent density functional theory (TDDFT) methods.


Author(s):  
Huimin Guo ◽  
Xiaolin Ma ◽  
Zhiwen Lei ◽  
Yang Qiu ◽  
Bernhard Dick ◽  
...  

The electronic structure and photophysical properties of a series of N-Methyl and N-Acetyl substituted alloxazine (AZs) were investigated with extensive density functional theory (DFT) and time-dependent density functional theory (TD-DFT)...


2019 ◽  
Vol 43 (25) ◽  
pp. 9916-9923 ◽  
Author(s):  
Jing Gao ◽  
Xin Li ◽  
Deming Han ◽  
Jiawei Li ◽  
Xiaohong Shang

The electronic structure, absorption and emission spectra, charge injection/transport ability and phosphorescence quantum efficiency of a series of cyclometalated iridium(iii) complexes with different ancillary ligands are studied using density functional theory (DFT) and time-dependent density functional theory (TDDFT) methods.


2019 ◽  
Vol 18 (11) ◽  
pp. 2766-2772 ◽  
Author(s):  
Deming Han ◽  
Lihui Zhao ◽  
Xuerong Han

By using density functional theory and time-dependent density functional theory, the geometrical, electronic and photophysical properties of six complexes with two ppy-type ligands and one acetylacetone anion around the Ir center have been explored.


2015 ◽  
Vol 17 (18) ◽  
pp. 11990-11999 ◽  
Author(s):  
Jinfeng Zhao ◽  
Junsheng Chen ◽  
Jianyong Liu ◽  
Mark R. Hoffmann

The excited state intramolecular proton transfer (ESIPT) mechanism of HBO, BBHQ and DHBO have been investigated using time-dependent density functional theory (TDDFT).


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