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791245

Sigma-Aldrich

N749 Black Dye

Sinónimos:

Greatcell Solar®, Black dye, Ruthenium 620, Tris(N,N,N-tributyl-1-butanaminium)[[2,2′′6′,2′′-terpyridine]-4,4′,4′′-tricarboxylato(3-)-N1,N1′,N1′′]tris(thiocyanato-N)hydrogen ruthenate(4-)

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About This Item

Fórmula empírica (notación de Hill):
C69H116N9O6RuS3
Peso molecular:
1364.98
MDL number:
MFCD28016340
UNSPSC Code:
12352103
PubChem Substance ID:
329768264
NACRES:
NA.23

assay

85% (HPLC)

form

powder

color

dark green

λmax

615, 415, 341, 329 nm at 0.02 mM in ethanol (lit.)

SMILES string

CCCC[N+](CCCC)(CCCC)CCCC.[O-]C(C1=CC(C2=NC=CC(C([O-])=O)=C2)=NC(C3=CC(C([O-])=O)=CC=N3)=C1)=O.S=C=N[Ru](N=C=S)N=C=S.CCCC[N+](CCCC)(CCCC)CCCC.CCCC[N+](CCCC)(CCCC)CCCC

InChI

1S/C18H11N3O6.3C16H36N.3CNS.Ru/c22-16(23)9-1-3-19-12(5-9)14-7-11(18(26)27)8-15(21-14)13-6-10(17(24)25)2-4-20-13;3*1-5-9-13-17(14-10-6-2,15-11-7-3)16-12-8-4;3*2-1-3;/h1-8H,(H,22,23)(H,24,25)(H,26,27);3*5-16H2,1-4H3;;;;/q;3*+1;3*-1;+3/p-3

InChI key

YOIDEEDNCKVVPH-UHFFFAOYSA-K

General description

N749 Black Dye (N749) has ruthenium at the center that forms a co-ordinate bond with the monoprotonated tricarboxyterpyridine and three thiocyanates. It can be used as a sensitizer that functionalizes the semi-conducting materials that exhibit an absorption peak in the near infrared region.

Application

N749 Black Dye is designed for the widest range spectral sensitisation of wide band-gap oxide semiconductors; like titanium dioxide up to wavelengths beyond 800nm.
Recommended application in 0.2-0.3mM solution with ethanol or acetonitrile/tert-butanol (1:1; vol:vol).
Reduced graphene oxide (rGO) can be surface modified by using N749 to enhance the photocatalytic characteristics of hydrogen evolution system. It may also be used as a high efficiency dye for niobium pentoxide (Nb2O5) photoanodes which can be used for the fabrication of titanium oxide (TiO2) coated dye sensitized solar cells (DSSCs).

Legal Information

Greatcell Solar is a registered trademark of Greatcell Solar

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificados de análisis (COA)

Lot/Batch Number
MKCH8922
MKBV1736V
MKBR1472V

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Test of Different Sensitizing Dyes in Dye-Sensitized Solar Cells Based on Nb2O5 Photoanodes
Latini A and Panetta R
ENERGIES, 11(4), 975-975 (2018)
Ruthenium Dye N749 Covalently Functionalized Reduced Graphene Oxide: A Novel Photocatalyst for Visible Light H2 Evolution
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