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Title: D-π-D chromophores based on dithieno[3,2-b:2',3'-d]thiophene (DTT): Potential application in the fabrication of solar cell
Authors: Wang, Chuan-Zeng
Do, Jung-Hee
Akther, Thamina
Feng, Xing
Horsburgh, Lynne
Elsegood, Mark R.J.
Redshaw, Carl
Yamato, Takehiko
Keywords: D-π-D chromophores
Blue fluorescent
Photo-physical properties
Density functional theory
Issue Date: 2017
Publisher: © Elsevier
Citation: WANG, C-Z. ...et al., 2017. D-π-D chromophores based on dithieno[3,2-b:2',3'-d]thiophene (DTT): Potential application in the fabrication of solar cell. Tetrahedron, 73(4), pp. 307-312.
Abstract: © 2016 Elsevier LtdIn this work, four stable dithieno[3,2-b:2',3'-d]thiophene-based π-extended molecules were designed and synthesized via a Pd-catalysed Sonogashira coupling reaction. The structures of these symmetrical compounds, including dithieno[3,2-b:2',3'-d]thiophene (DTT) as the π-center and various donor (D) groups, were determined on the basis of NMR spectral data, elemental analysis, and X-ray crystallography. The photo-physical properties of the DTT-based derivatives 2 were fully investigated in both solution and the solid state. The notable optical features of their solid-state powders showed significant red-shifts in comparison with the luminescence of their dilute dichloromethane solutions. These results combined with the theoretical calculations indicate that they are promising candidates for several applications in electronic and optoelectronic devices, as well as organic dyes for solar cells.
Description: This paper was accepted for publication in the journal Tetrahedron and the definitive published version is available at http://dx.doi.org/10.1016/j.tet.2016.11.077
Sponsor: This work was performed under the Cooperative Research Program of “Network Joint Research Center for Materials and Devices (Institute for Materials Chemistry and Engineering, Kyushu University)”.
Version: Accepted for publication
DOI: 10.1016/j.tet.2016.11.077
URI: https://dspace.lboro.ac.uk/2134/24348
Publisher Link: http://dx.doi.org/10.1016/j.tet.2016.11.077
ISSN: 0040-4020
Appears in Collections:Published Articles (Chemistry)

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