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Cooperative Coupling of Cyanine and Tictoid Twisted π-Systems to Amplify Organic Chromophore Cubic Nonlinearities

delete2015-04-03
delete58
PRE
AI
Y
Yanrong Shi
A
Alexander J.‐T. Lou
G
Guang S. He
A
Alexander Baev
M
Mark T. Swihart
P
Paras N. Prasad *
T
Tobin J. Marks
DOI：10.1021/jacs.5b01042delete
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Abstract

Abstract

En 中文
We report a new class of hybrid p-electron chromophores with a large, sign-tunable third-order nonlinear optical (NLO) response, achieved via cooperative coupling of cyanine dye bond-length alternation effects with the rich density of states in zwitterionic twisted pi-system chromophores. A combined synthetic, linear/nonlinear spectroscopic, and quantum chemical study reveals exceptional third-order response exceeding the sum of the individual chromophore contributions.
Keywords:
3RD-ORDER OPTICAL NONLINEARITIES
BOND-LENGTH ALTERNATION
2-PHOTON ABSORPTION
CHARGE-TRANSFER
DESIGN
DONOR
DYES
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Journal

Journal of the American Chemical Society cover
Journal of the American Chemical Society
IF:
15.6
Papers:
20.0W
Citations:
60.2W

Organization

U
university at buffalo, suny
Scholars:
1.1W
Papers: 9.5K
Citations: 9
S
state university of new york (suny) system
Scholars:
6.4W
Papers: 5.7W
Citations: 65
N
Northwestern University
Scholars:
6.1W
Papers: 5.2W
Citations: 3.9K
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