Photorefractivity in Nematic Liquid Crystals Using a Donor−Acceptor Dyad with a Low-Lying Excited Singlet State for Charge Generation

2001 ◽  
Vol 105 (30) ◽  
pp. 7216-7219 ◽  
Author(s):  
Michael J. Fuller ◽  
Michael R. Wasielewski
Keyword(s):  
Liquid Crystals ◽  
Singlet State ◽  
Nematic Liquid Crystals ◽  
Excited Singlet State ◽  
Excited Singlet ◽  
Charge Generation ◽  
Donor Acceptor

Dielectric switching of the nature of excited singlet state in a donor-acceptor-type polyfluorene copolymer

2010 ◽  
Vol 81 (20) ◽  
Author(s):  
Annamaria Petrozza ◽  
Frédéric Laquai ◽  
Ian A. Howard ◽  
Ji-Seon Kim ◽  
Richard H. Friend
Keyword(s):  
Singlet State ◽  
Excited Singlet State ◽  
Excited Singlet ◽  
Donor Acceptor

Einfiuss der Donator-Akzeptor-Wechselwirkung bei Stilbenen auf die Polarität im ersten angeregten Singulettzustand

1980 ◽  
Vol 35 (7) ◽  
pp. 777-778
Author(s):  
I. Gryczyński ◽  
D. Gloyna ◽  
A. Kawski
Keyword(s):  
Linear Correlation ◽  
Electric Dipole ◽  
Singlet State ◽  
Dipole Moments ◽  
Excited Singlet State ◽  
Excited Singlet ◽  
Electric Dipole Moments ◽  
Donor Acceptor

The electric dipole moments of some substituted stilbenes in the ground (μg) and the first excited singlet state (μe) have been determined and discussed in regard of the donor-acceptor- interactions. A linear correlation between the Hammett σp-constants and the values of μg, μe and Δμ = μe - μg for different substituted stilbenes was found.

scholarly journals Dynamic Behaviors of the Electron Donor-Acceptor Complex in its Lowest Excited Singlet State

1971 ◽  
Vol 44 (12) ◽  
pp. 3310-3316 ◽  
Author(s):  
Hiroshi Masuhara ◽  
Motoo Shimada ◽  
Nobuyuki Tsujino ◽  
Noboru Mataga
Keyword(s):  
Electron Donor ◽  
Singlet State ◽  
Excited Singlet State ◽  
Excited Singlet ◽  
Dynamic Behaviors ◽  
Acceptor Complex ◽  
Donor Acceptor

Einfluß von Substituenten und polaren Lösungsmitteln auf die Deaktivierung des S1Zustandes bei Donator-Akzeptor-substituierten trans-Stilbenen/Influence of Substituents and Polar Solvents on the Deactivation of the First Excited Singlet of Donor-acceptor Substituted Trans-stilbenes

1980 ◽  
Vol 35 (12) ◽  
pp. 1411-1414 ◽  
Author(s):  
D. Gloyna ◽  
A. Kawski ◽  
I. Gryczyński
Keyword(s):  
Quantum Yield ◽  
Fluorescence Quantum Yield ◽  
Singlet State ◽  
Excited Singlet State ◽  
Excited Singlet ◽  
Polar Solvents ◽  
Effect Of Substituents ◽  
Nonpolar Solvents ◽  
Donor Acceptor ◽  
Influence Of Substituents

AbstractThe effect of substituents on the fluorescence quantum yield φf of trans-stilbenes (1) in dimethylformamide, acetonitrile, and n-propanol, as well as in n-heptane, is mainly due to radiationless deactivation. Contrary to n-heptane, the rate kd of radiationless deactivation in the above mentioned polar solvents for compounds 1 of similar structure is not a monotoneous function of the polarity of the first excited singlet state. The maximum of kd corresponds to compounds with medium polarity (1h, 1i). The effect of substituents on the fluorescence rate kfn in polar and nonpolar solvents is small compared to that on kd. In all solvents kfn drops with increasing polarity of the first excited singlet state.

The Gold Porphyrin First Excited Singlet State¶

2002 ◽  
Vol 76 (1) ◽  
pp. 47 ◽  
Author(s):  
Joakim Andréasson ◽  
Gerdenis Kodis ◽  
Su Lin ◽  
Ana L. Moore ◽  
Thomas A. Moore ◽  
...  
Keyword(s):  
Singlet State ◽  
Excited Singlet State ◽  
Excited Singlet
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