A Study on the Relationship between the Twisted π-Conjugate System of 1,5-Diaryl-1,5-diazapenta-1,3-dienes and Their Photophysical Properties

2012 ◽  
Vol 41 (9) ◽  
pp. 984-986
Author(s):  
Akio Kamimura ◽  
Hideki Matsu ◽  
Hiroyuki Suzukawa ◽  
Eisuke Sato ◽  
Michinori Sumimoto ◽  
...  
Keyword(s):  
Photophysical Properties ◽  
Conjugate System ◽  
The Relationship

Exploring the Relationship between Intermolecular Interactions and Solid-State Photophysical Properties of Organic Co-Crystals

2018 ◽  
Vol 123 (14) ◽  
pp. 9311-9322 ◽  
Author(s):  
Rohit Bhowal ◽  
Suprakash Biswas ◽  
Athulbabu Thumbarathil ◽  
Apurba L. Koner ◽  
Deepak Chopra
Keyword(s):  
Solid State ◽  
Intermolecular Interactions ◽  
Photophysical Properties ◽  
The Relationship

Synthesis and solid-state fluorescence of aryl substituted 2-halogenocinchomeronic dinitriles

RSC Advances ◽  
2016 ◽  
Vol 6 (85) ◽  
pp. 82227-82232 ◽  
Author(s):  
O. V. Ershov ◽  
M. Yu. Ievlev ◽  
M. Yu. Belikov ◽  
K. V. Lipin ◽  
A. I. Naydenova ◽  
...  
Keyword(s):  
Solid State ◽  
Photophysical Properties ◽  
Chemical Structures ◽  
Solid State Fluorescence ◽  
The Relationship

Several novel aryl substituted 2-halogencinchomeronic dinitriles, possessing an intensive solid state fluorescence, were synthesized. The relationship between the chemical structures and photophysical properties of these compounds was investigated.

Synthesis and photophysical properties of novel fluorescent materials containing 2,4,6-triphenylpyridine and 1,8-naphthalimide units using Suzuki reaction

RSC Advances ◽  
2016 ◽  
Vol 6 (97) ◽  
pp. 94833-94839 ◽  
Author(s):  
Hui-Yan Liu ◽  
Liang-Feng Chen ◽  
Hai-Ying Wang ◽  
Yu Wan ◽  
Hui Wu
Keyword(s):  
Theoretical Calculation ◽  
Photophysical Properties ◽  
Suzuki Reaction ◽  
Photoluminescence Property ◽  
Fluorescent Materials ◽  
Relationship Of ◽  
The Relationship ◽  
Calculation Analysis

A series of novel 2,4,6-triphenylpyridine derivatives containing 1,8-naphthalimide groups have been prepared. The relationship of photoluminescence property of the products and the theoretical calculation analysis were investigated.

Synthesis and photophysical properties of meso-aryloxy linked BODIPY monomers, dimers, and trimer

2016 ◽  
Vol 20 (01n04) ◽  
pp. 475-489 ◽  
Author(s):  
Changjiang Yu ◽  
Qinghua Wu ◽  
Zhonghua Tian ◽  
Tingting Li ◽  
Erhong Hao ◽  
...  
Keyword(s):  
Photophysical Properties ◽  
Spatial Arrangement ◽  
Nucleophilic Aromatic Substitution ◽  
Quantum Yields ◽  
Aromatic Substitution ◽  
Polar Solvents ◽  
Fluorescence Quantum Yields ◽  
Species Formation ◽  
The Relationship ◽  
Stokes Shifts

A series of meso-aryloxy linked BODIPY monomers, dimers and trimer were synthesized by nucleophilic aromatic substitution (SNAr) reaction from phenols with meso-chloro BODIPY and their photophysical properties were systematically studied by UV-vis and fluorescence spectroscopy. The relationship between their photophysical properties and the spatial arrangement of meso-aryloxy linked BODIPYs has been discussed. The monomers exhibited different extent solvent-dependent fluorescence, and fluorescence quenching in polar solvents were found relative to the HOMO energies of the donor (meso-phenols), indicating possible PET effect from meso-phenols to the BODIPY fluorophore. Ortho-dimer showed unusual broad red-shifted emission bands centered at 550 nm with a larger Stokes shifts at the range of 2900–3400 cm[Formula: see text], and low fluorescence quantum yields, which was in sharp contrast to those of other dimers and trimer, indicating of possible excimeric species formation due to slipped cofacial arrangement ofortho-dimer.

Synthesis and Photophysical Properties of 3-Amino-4-arylpyridin-2(1Н)-ones

Synthesis ◽  
2019 ◽  
Vol 52 (02) ◽  
pp. 227-238 ◽  
Author(s):  
Anton L. Shatsauskas ◽  
Anton A. Abramov ◽  
Sergey A. Chernenko ◽  
Anastasia S. Kostyuchenko ◽  
Alexander S. Fisyuk
Keyword(s):  
Quantum Yield ◽  
Photophysical Properties ◽  
Luminescence Spectroscopy ◽  
The Relationship ◽  
Hydrolysis Of ◽  
Aryl Substituted Derivatives

A method has been developed for the preparation of oxazolo-[5,4-b]pyridin-2(1H)-ones based on the Hoffmann reaction of 2-oxo-1,2-dihydropyridine-3-carboxamides. Hydrolysis of oxazolo[5,4-b]pyridin-2(1H)-ones and the Hoffmann reaction of 2-oxo-1,2-dihydropyridine-3-carboxamides yielded 3-aminopyridin-2(1H)-ones, including 4-aryl substituted derivatives in the series, for which effective phosphors with a quantum yield of up to 0.78 were detected. Photophysical properties of 3-aminopyridin-2(1H)-ones were studied by UV and luminescence spectroscopy methods, and the relationship between their structure and photophysical properties was revealed.

2-Arylbenzo[b]arsoles: an experimental and computational study on the relationship between structural and photophysical properties

2020 ◽  
Vol 49 (44) ◽  
pp. 15612-15621
Author(s):  
Kosuke Ishijima ◽  
Susumu Tanaka ◽  
Hiroaki Imoto ◽  
Kensuke Naka
Keyword(s):  
Computational Methods ◽  
Computational Study ◽  
Photophysical Properties ◽  
Metal Coordination ◽  
Conjugated Molecules ◽  
The Relationship

2-Arylbenzo[b]arsoles, being an unexplored class of heteroatom-fused conjugated molecules, have been studied by experimental and computational methods. Their photophysical properties were tuned by substituents and metal-coordination.

Design, synthesis, and characterization of pyridine-containing organic crystals with different substitution positions using solvothermal method

CrystEngComm ◽  
2021 ◽  
Author(s):  
Jiasheng Wu ◽  
Jiacheng Zou ◽  
Xiangxue Zhuge ◽  
Zhitai Jia ◽  
Na Lin ◽  
...  
Keyword(s):  
Solvothermal Method ◽  
Photophysical Properties ◽  
Synthesis And Characterization ◽  
Organic Crystals ◽  
Design Synthesis ◽  
One Step ◽  
The Relationship

Four TB-/PHZ-based crystals were prepared via solvothermal method in one step. The relationship between structures and photophysical properties has been discussed.

scholarly journals Effect of Electronic Acceptor Segments on Photophysical Properties of Low-Band-Gap Ambipolar Polymers

2013 ◽  
Vol 2013 ◽  
pp. 1-8
Author(s):  
Yuanzuo Li ◽  
Jingang Cui ◽  
Jianing Zhao ◽  
Jinglin Liu ◽  
Peng Song ◽  
...  
Keyword(s):  
Charge Transfer ◽  
Photophysical Properties ◽  
Energy Levels ◽  
Quantum Chemistry Calculation ◽  
Difference Density ◽  
Charge Difference Density ◽  
Chemistry Calculation ◽  
Donor Acceptor ◽  
The Relationship

Stimulated by a recent experimental report, charge transfer and photophysical properties of donor-acceptor ambipolar polymer were studied with the quantum chemistry calculation and the developed 3D charge difference density method. The effects of electronic acceptor strength on the structure, energy levels, electron density distribution, ionization potentials, and electron affinities were also obtained to estimate the transporting ability of hole and electron. With the developed 3D charge difference density, one visualizes the charge transfer process, distinguishes the role of molecular units, and finds the relationship between the role of DPP and excitation energy for the three polymers during photo-excitation.

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