Electronic/photonic property modulations of D-π-D(A) chromophores by DTT as π-center

O. K. Kim; H. Y. Woo; W. B. Heuer; K. S. Kim; K. S. Lee

Electronic/photonic property modulations of D-π-D(A) chromophores by DTT as π-center

O. K. Kim, H. Y. Woo, W. B. Heuer, K. S. Kim, K. S. Lee

Department of Chemistry

Research output: Contribution to journal › Conference article

1 Citation (Scopus)

Abstract

Multifunctional chromophores are synthesized based on dithienothiophene, DDT (π-center) linked through conjugation by donor/donor (D/D) or D/acceptor (D/A) pair segments at the molecular end. Novel electronic/photonic properties are assessed by cyclic voltammetry (CV) and two-photon absorption (TPA). CV shows that the D/D system displays two oxidation/one reduction waves, while the D/A system shows two oxidation/two reduction waves. Such unusual redox is reflected in the amphotericity particularly with D/D system and can be accounted for solely by the involvement of DTT. Exceptionally large TPA cross-section values of these chromophores relative to those based on benzenoid π-center seem to be the result of unique electronic modulation effect of DTT.

Original language	English
Pages (from-to)	795-796
Number of pages	2
Journal	American Chemical Society, Polymer Preprints, Division of Polymer Chemistry
Volume	41
Issue number	1
Publication status	Published - 2000 Mar 1
Event	The San Francisco Meeting - San Francisco, CA, USA Duration: 2000 Mar 26 → 2000 Mar 31

ASJC Scopus subject areas

Polymers and Plastics

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Kim, O. K., Woo, H. Y., Heuer, W. B., Kim, K. S., & Lee, K. S. (2000). Electronic/photonic property modulations of D-π-D(A) chromophores by DTT as π-center. American Chemical Society, Polymer Preprints, Division of Polymer Chemistry, 41(1), 795-796.

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title = "Electronic/photonic property modulations of D-π-D(A) chromophores by DTT as π-center",

abstract = "Multifunctional chromophores are synthesized based on dithienothiophene, DDT (π-center) linked through conjugation by donor/donor (D/D) or D/acceptor (D/A) pair segments at the molecular end. Novel electronic/photonic properties are assessed by cyclic voltammetry (CV) and two-photon absorption (TPA). CV shows that the D/D system displays two oxidation/one reduction waves, while the D/A system shows two oxidation/two reduction waves. Such unusual redox is reflected in the amphotericity particularly with D/D system and can be accounted for solely by the involvement of DTT. Exceptionally large TPA cross-section values of these chromophores relative to those based on benzenoid π-center seem to be the result of unique electronic modulation effect of DTT.",

author = "Kim, {O. K.} and Woo, {H. Y.} and Heuer, {W. B.} and Kim, {K. S.} and Lee, {K. S.}",

year = "2000",

month = mar,

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language = "English",

volume = "41",

pages = "795--796",

journal = "American Chemical Society, Polymer Preprints, Division of Polymer Chemistry",

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TY - JOUR

T1 - Electronic/photonic property modulations of D-π-D(A) chromophores by DTT as π-center

AU - Kim, O. K.

AU - Woo, H. Y.

AU - Heuer, W. B.

AU - Kim, K. S.

AU - Lee, K. S.

PY - 2000/3/1

Y1 - 2000/3/1

N2 - Multifunctional chromophores are synthesized based on dithienothiophene, DDT (π-center) linked through conjugation by donor/donor (D/D) or D/acceptor (D/A) pair segments at the molecular end. Novel electronic/photonic properties are assessed by cyclic voltammetry (CV) and two-photon absorption (TPA). CV shows that the D/D system displays two oxidation/one reduction waves, while the D/A system shows two oxidation/two reduction waves. Such unusual redox is reflected in the amphotericity particularly with D/D system and can be accounted for solely by the involvement of DTT. Exceptionally large TPA cross-section values of these chromophores relative to those based on benzenoid π-center seem to be the result of unique electronic modulation effect of DTT.

AB - Multifunctional chromophores are synthesized based on dithienothiophene, DDT (π-center) linked through conjugation by donor/donor (D/D) or D/acceptor (D/A) pair segments at the molecular end. Novel electronic/photonic properties are assessed by cyclic voltammetry (CV) and two-photon absorption (TPA). CV shows that the D/D system displays two oxidation/one reduction waves, while the D/A system shows two oxidation/two reduction waves. Such unusual redox is reflected in the amphotericity particularly with D/D system and can be accounted for solely by the involvement of DTT. Exceptionally large TPA cross-section values of these chromophores relative to those based on benzenoid π-center seem to be the result of unique electronic modulation effect of DTT.

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Y2 - 26 March 2000 through 31 March 2000

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