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791415

Sigma-Aldrich

K19 Dye

85% (HPLC)

Sinonimo/i:

Greatcell Solar®, K 19 sensitizer, Ru(4,4-dicarboxylic acid-2,2′-bipyridine)(4,4′-bis(p-hexyloxystyryl)-2,2-bipyridine)(NCS)2

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About This Item

Numero CAS:
847665-45-6
Codice UNSPSC:
12352103
ID PubChem:
329768273
NACRES:
NA.23

Saggio

85% (HPLC)

Forma fisica

powder (black)

Punto di fusione

>300 °C

λmax

536, 357, 311 nm at 0.02 mM in DMF (lit.)

Stringa SMILE

OC(C1=CC(C2=CC(C(O)=O)=CC=N2)=NC=C1)=O.S=C=N[Ru]N=C=S.CCCCCCOC(C=C3)=CC=C3/C=C/C4=CC=NC(C5=NC=CC(/C=C/C6=CC=C(OCCCCCC)C=C6)=C5)=C4

InChI

1S/C38H44N2O2.C12H8N2O4.2CNS.Ru/c1-3-5-7-9-27-41-35-19-15-31(16-20-35)11-13-33-23-25-39-37(29-33)38-30-34(24-26-40-38)14-12-32-17-21-36(22-18-32)42-28-10-8-6-4-2;15-11(16)7-1-3-13-9(5-7)10-6-8(12(17)18)2-4-14-10;2*2-1-3;/h11-26,29-30H,3-10,27-28H2,1-2H3;1-6H,(H,15,16)(H,17,18);;;/q;;2*-1;+2/b13-11+,14-12+;;;;
HBARXZGSEMEPLK-BPSJQPAOSA-N

Descrizione generale

K19 Dye is an amphiphilic ruthenium sensitizer with a good molar extinction coefficient, which remains stable under thermal stress and light soaking. It can be synthesized by forming a reaction mixture of 4,4′-Bis(p-hexyloxystyryl)-2,2′-bipyridine, dichloro(p-cymene)ruthenium(II) dimer, and 4,4′-dicarboxylic acid-2,2′-bipyridine. It shows an overall power conversion efficiency (PCE) of 11% and can be used as an active material in electrochemical applications.

Applicazioni

Electron transfer from K-19 dye to the conduction band of Titania is completed within 20 fs while charge recombination has a half-life of 800 μs.  The high extinction coefficient of this sensitizer enable realization of a new generation thin-film dye-sensitized solar cells (DSCs) yielding high conversion efficiency at full sunlight, even with viscous electrolytes based on ionic liqs. or nonvolatile solvents, making solar cell devices exhibit excellent stability under light soaking.
K19 Dye is an organo-metallic dye that can be used as a photosensitizing material in the fabrication of dye sensitized solar cells (DSSCs). It shows a short circuit photocurrent density of 15.1 mA/cm2, an open circuit voltage of 747 mV and a fill factor of 0.69.

Note legali

Product of Greatcell Solar Materials Pty Ltd.
Greatcell Solar is a registered trademark of Greatcell Solar Materials Pty Ltd.
Greatcell Solar is a registered trademark of Greatcell Solar

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H317,H319,H335

Classi di pericolo

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

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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Supelco

PHR1579

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Sigma-Aldrich

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2,2′-Bipyridine-4,4′-dicarboxylic acid 98%

Sigma-Aldrich

550566

2,2′-Bipyridine-4,4′-dicarboxylic acid

Bis(trifluoromethane)sulfonimide purum, ≥95.0% (19F-NMR)

Sigma-Aldrich

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Ruthenium sensitizers and their applications in dye-sensitized solar cells
Qin Y and Peng Q
International Journal of Photoenergy, 2012(8), 1133-1137 (2012)
High-efficiency and stable mesoscopic dye-sensitized solar cells based on a high molar extinction coefficient ruthenium sensitizer and nonvolatile electrolyte
Kuang D, et al.
Advanced Materials, 19(8), 1133-1137 (2007)
Daibin Kuang et al.
Journal of the American Chemical Society, 128(12), 4146-4154 (2006-03-23)
Two novel heteroleptic sensitizers, Ru((4,4-dicarboxylic acid-2,2'-bipyridine)(4,4'-bis(p-hexyloxystyryl)-2,2-bipyridine)(NCS)2 and Ru((4,4-dicarboxylic acid-2,2'-bipyridine)(4,4'-bis(p-methoxystyryl)-2,2'-bipyridine) (NCS)2, coded as K-19 and K-73, respectively, have been synthesized and characterized by 1H NMR, FTIR, UV-vis absorption, and emission spectroscopy and excited-state lifetime and spectroelectrochemical measurements. The introduction of the
Mazille F, et al.
Inorganic Chemistry, 45(4), 1585-1590 (2006)
Peng Wang et al.
Journal of the American Chemical Society, 127(3), 808-809 (2005-01-20)
An amphiphilic heteroleptic polypyridyl ruthenium complex with a high molar extinction coefficient was synthesized and demonstrated as an efficient, thermostable sensitizer in nanocrystalline dye-sensitized solar cells.
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