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Sigma-Aldrich

FK 209 Co(III) TFSI salt

Synonym(s):

tris(2-(1H-pyrazol-1-yl)-4-tert-butylpyridine)cobalt(III) tri[bis(trifluoromethane)sulfonimide]

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About This Item

Empirical Formula (Hill Notation):
C42H45CoF18O12N12S6
Molecular Weight:
1503.17
UNSPSC Code:
12352103
PubChem Substance ID:
329768935
NACRES:
NA.23

assay

98%

Quality Level

100

form

powder

mp

281.5 °C (exp.)

SMILES string

O=S([N-]S(=O)(C(F)(F)F)=O)(C(F)(F)F)=O.O=S([N-]S(=O)(C(F)(F)F)=O)(C(F)(F)F)=O.O=S([N-]S(=O)(C(F)(F)F)=O)(C(F)(F)F)=O.CC(C)(C)C1=CC(N2N=CC=C2)=NC=C1.CC(C)(C)C3=CC=NC(N4C=CC=N4)=C3.CC(C)(C)C5=CC=NC(N6C=CC=N6)=C5.C

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General description

FK 209 Co(III) TFSI salt (FK 209) is a Co(III) based complex that is used as a p-type dopant for the hole transporting material with a power conversion efficiency in the range of 9-12%.

Application

FK 209 can be used to induce a p-doping on PCDTBT and spiro-OMeTAD, which can be used as hole transporting materials in the fabrication of perovskite solar cells (PSCs) with an efficiency of 15-16%.
Use this cobalt complexes to increase photovoltages of liquid electrolyte cells substantially or to achieve ultrahigh performance with solid state photovoltaic devices.

Legal Information

Product of Greatcell Solar®
Greatcell Solar is a registered trademark of Greatcell Solar

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Exclamation mark
GHS07

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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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Acid additives enhancing the conductivity of spiro-OMeTAD toward high-efficiency and hysteresis-less planar perovskite solar cells.
Li Z, et al.
Advanced Energy Materials, 7, 15714-15723 (2016)
Efficient perovskite photovoltaic devices using chemically doped PCDTBT as a hole-transport material.
Wong-Stringer M, et al.
Journal of Material Chemistry A, 5(30), 15714-15723 (2017)
Co (III) complexes as p-dopants in solid-state dye-sensitized solar cells
Burschka J, et al.
Chemistry of Materials, 25(15), 2986-2990 (2013)
Edoardo Mosconi et al.
Journal of the American Chemical Society, 134(47), 19438-19453 (2012-11-02)
We report a combined experimental and computational investigation to understand the nature of the interactions between cobalt redox mediators and TiO(2) surfaces sensitized by ruthenium and organic dyes, and their impact on the performance of the corresponding dye-sensitized solar cells
Teck Ming Koh et al.
ChemSusChem, 7(7), 1909-1914 (2014-05-23)
In this work, we report a new cobalt(III) complex, tris[2-(1H-pyrazol-1-yl)pyrimidine]cobalt(III) tris[bis(trifluoromethylsulfonyl)imide] (MY11), with deep redox potential (1.27 V vs NHE) as dopant for 2,2',7,7'-tetrakis-(N,N-di-p-methoxyphenylamine)-9,9'-spirobifluorene (spiro-OMeTAD). This dopant possesses, to the best of our knowledge, the deepest redox potential among all
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