Molecular design of near-IR harvesting unsymmetrical squaraine dyes

The functionalized unsymmetrical benzothiazole squaraine organic sensitizers 5-carboxy-2-({3-[(3-hexylbenzothiazol-2(3H)-ylidene)methyl]-2-hydroxy-4-oxo-2-cyclobuten-1-ylidene}methyl)-1-hexyl-3,3-dimethyl-3H-indolium (hereafter named as SK-11) and 5-carboxy-2-({3-[(3-hexyl-5-methoxybenzothiazol-2(3H...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 26(2010), 16 vom: 17. Aug., Seite 13486-92
1. Verfasser: Kim, Sanghoon (VerfasserIn)
Weitere Verfasser: Mor, Gopal K, Paulose, Maggie, Varghese, Oomman K, Baik, Chul, Grimes, Craig A
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2010
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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245 1 0 |a Molecular design of near-IR harvesting unsymmetrical squaraine dyes 
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520 |a The functionalized unsymmetrical benzothiazole squaraine organic sensitizers 5-carboxy-2-({3-[(3-hexylbenzothiazol-2(3H)-ylidene)methyl]-2-hydroxy-4-oxo-2-cyclobuten-1-ylidene}methyl)-1-hexyl-3,3-dimethyl-3H-indolium (hereafter named as SK-11) and 5-carboxy-2-({3-[(3-hexyl-5-methoxybenzothiazol-2(3H)-ylidene)methyl]-2-hydroxy-4-oxo-2-cyclobuten-1-ylidene}methyl)-1-hexyl-3,3-dimethyl-3H-indolium (coded as SK-12) are designed and developed to observe an intense and wider absorption band in the red/NIR wavelength region. DFT/TDDFT calculations have been performed on the two unsymmetrical squaraine sensitizers to gain insight into their electronic and optical properties. The utility of these dyes in solid state dye sensitized solar cells (SS-DSSCs) is demonstrated 
650 4 |a Journal Article 
700 1 |a Mor, Gopal K  |e verfasserin  |4 aut 
700 1 |a Paulose, Maggie  |e verfasserin  |4 aut 
700 1 |a Varghese, Oomman K  |e verfasserin  |4 aut 
700 1 |a Baik, Chul  |e verfasserin  |4 aut 
700 1 |a Grimes, Craig A  |e verfasserin  |4 aut 
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