Synthesis and stability studies of conformationally locked 4-(diarylamino)aryl- and 4-(dialkylamino)phenyl-substituted second-order nonlinear optical polyene chromophores
作者:Katrin Staub、Galina A. Levina、Stephen Barlow、Tony C. Kowalczyk、Hilary S. Lackritz、Marguerite Barzoukas、Alain Fort、Seth R. Marder
DOI:10.1039/b208024a
日期:2003.3.19
A series of chromophores with high second-order nonlinearities has been synthesized; the chromphores consist of triarylamine or dialkylarylamine donors linked by a conformationally locked polyene bridge to a dicyanomethylidene acceptor. The use of bridges of this type, combined with the replacement of dialkylarylamine with triarylamine donors, leads to high thermal stability without adverse affects on the nonlinear optical properties of the chromophores.
Efficient single-layer electroluminescent device based on a bipolar emitting boron-containing material
作者:Hongyu Zhang、Cheng Huo、Jingying Zhang、Peng Zhang、Wenjing Tian、Yue Wang
DOI:10.1039/b513918j
日期:——
A novel multifunctional 1,6-bis(2-hydroxyphenyl)pyridine boron bis(4-n-butyl-phenyl)phenyleneamine compound in which the hole-transporting (HT), electron-transporting (ET), and emitting (EM) components are integrated into a single molecule was synthesized and used as an emitting material to fabricate an efficient single-layer electroluminescent device.
POLYMER COMPOUND AND POLYMER LIGHT-EMITTING DEVICE USING THE SAME
申请人:KITANO Makoto
公开号:US20100133997A1
公开(公告)日:2010-06-03
A polymer compound comprising at least one repeating unit selected from the group of repeating units shown by formula (1) or formula (2),
wherein Ar
1
to Ar
4
represent an arylene group etc.; E
1
, E
2
, and E
3
represent an aryl group (A) having three or more substituents, or a heterocyclic group (B) having one or more substituents, and the total number of substituents and hetero atoms of the heterocyclic ring is three or more;
a and b represent 0 or 1, and 0<=a+b<=1,
wherein Ar
5
to Ar
10
and Ar
11
represent an arylene group etc.; E
4
to E
9
represent an aryl group or a monovalent heterocyclic group; l, m and n represent 0 to 2; o and p represent 0 or 1, and l+m+n+o+p is 2 or more.
Tuning the Intramolecular Charge Transfer Emission from Deep Blue to Green in Ambipolar Systems Based on Dibenzothiophene <i>S</i>,<i>S</i>-Dioxide by Manipulation of Conjugation and Strength of the Electron Donor Units
作者:Kathryn C. Moss、Konstantinos N. Bourdakos、Vandana Bhalla、Kiran T. Kamtekar、Martin R. Bryce、Mark A. Fox、Helen L. Vaughan、Fernando B. Dias、Andrew P. Monkman
DOI:10.1021/jo100898a
日期:2010.10.15
The efficient synthesis and photophysical propel ties of a series of ambipolar donor acceptor donor Systems is described where the acceptor is dibenzothrophene S,S-dioxide and the donor is fluorene, carbazole or arylamine The systems exhibit intramolecular charge transfer (ICT) states (available ICT character strengths)}editing to fluorescence emission ranging from deep blue to green with model ate to high photoluminescence quantum yields The emission properties can be effectively tuned by systematically changing die position of substitution on both donor and acceptor units (which affects the extent of conjugation) and the redox potentials of the donor units The results are supported by cyclic voltammetric data and TD-DFT calculations