D149 Dye
Names
Biological Activity
[Description]:
D149 Dye is an indoline-based dye, which is a high-extinction-coefficient metal-free organic sensitizer.
[Related Catalog]:
[In Vitro]
D149 is a metal-free organic dye, which is promising all-organic alternatives. D149 displays power conversion efficiency of up to 9%. Furthermore, D149 has a peak extinction co-efficient of 68700 M-1 cm-1 at 540 nm, significantly higher than 13900 M-1cm-1 at 535 nm for N719[1]. D149, a metal-free indoline dye, is one of the most promising sensitizers for dye-sensitized solar cells (DSSCs) and has shown very high solar energy conversion efficiencies of 9%. D149 shows a large number of unresolved aromatic and olefinic signals between 7 and 7.5 ppm[2]
[Cell Assay]
The porous TiO2 films are immersed in a 0.5 mM D149 (1-material) dye solution in a 1:1 (v/v) mixture of acetonitrile (HPLC) and tert-butanol (LR) overnight once their temperature decreased to approximately 110°C. The samples are then taken out of the dye bath, washed with acetonitrile, and dried. The working electrode and Pt counter electrode [produced using a pre-drilled piece of 2.3 mm FTO glass, coated with one drop of 10 mM platinic acid solution [H2PtCl6] and heated to 400°C for 20 min] are assembled into a sandwich type cell and sealed with a spacer of 25 μm Surlyn. An I-1/I3-1 organic solvent based electrolyte solution [50 mM iodine, 0.6 M 1,2-dimethyl-3-propylimidazelium iodide, 0.1 M lithium iodide in methoxypropionitrile] is introduced via vacuum back-filling. The hole is sealed with a piece of aluminium foil-backed Surlyn[1].
[References]
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Chemical & Physical Properties
[ Density]:
1.47g/cm3
[ Molecular Formula ]:
C42H35N3O4S3
[ Molecular Weight ]:
741.94000
[ Exact Mass ]:
741.17900
[ PSA ]:
168.48000
[ LogP ]:
7.19120
[ Storage condition ]:
-20℃
MSDS
Safety Information
[ RIDADR ]:
NONH for all modes of transport
Synthetic Route
Precursor & DownStream
Precursor
DownStream
Articles
High efficiency of dye-sensitized solar cells based on metal-free indoline dyes.
J. Am. Chem. Soc. 126 , 12218, (2004)
We now report metal-free organic dyes having a new type of indoline structure, which exhibits high efficiencies in dye-sensitized solar cells. The solar energy to current conversion efficiencies with ...
S. Itoh et. al.Adv. Mater. 18 , 1202, (2006)