sublimed 99.9% Spiro-MeOTAD(Spiro-OMeTAD)used in Pervoskite solar cell
2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene is designated for processing from solution to be used as Hole Transport Material (HTM) for Organic and hybrid solar cells.
|Purity||Sublimed: 99.9% (HPLC)min|
|Solubility||>80mg/Ml in chlorobenzene,|
|Melting point Tm(DSC)||250 °C|
|Glass transition temperature Tg(DSC)||124 °C|
|LUMO Energy (CV)||-1.5eV|
|Appearance||Light yellow powder|
|UV absorption max||306, 385 nm (in CH2Cl2)|
|PL max||429 nm (in CH2Cl2)|
Interface engineering of highly efficient perovskite solar cells, Huanping Zhou et al., Science, V 34, p.546 (2014).
Sequential deposition as a route to high-performance perovskite-sensitized solar cells, Julian Burschka et al., Nature, V499 p.316 (2013).
Nanostructured TiO2 /CH3NH3PbI3 heterojunction solar cells employing spiro-OMeTAD/Co-complex as hole-transporting material, Jun Hong Noh et al., J. Mater. Chem. A, 1, 11842-11847, DOI: 10.1039/C3TA12681A (2013).
: High efficiency perovskite solar cells with >19% efficiency. Doping regime specified via reference .
: Spin coated spiro-MeOTAD in chlorobenzene doped with the below compounds (doping ratio's specified in reference :
lithium bis(trifluoromethylsul-phonyl)imide (LiTFSI)
tris(2-(1H-pyrazol-1-yl)-4-tert-butylpyridine)cobalt( III ) bis(tri-fluoromethylsulphonyl)imide
: Doped with the below concentrations
50 mM spiro-OMeTAD in chlorobenzene
Co( III )-complex (FK209) first dissolved into an acetonitrile stock solution prepared with concentrations in the range 4 to 33 mM before being added to the Spiro/chlorobenzene solution
FK209 stock solution mixed with Spiro/chlorobenzene solution to give overall 7.7 mol% FK209 to Spiro-OMeTAD
Also doped with a stock solution of Li-bis(trifluoromethanesulfonyl)imide (Li-TFSI) at 170 mg and TBP at 46.6% by volume in acetonitrile
Spin-coated at 3000 rpm for 30s
Key details from references:
|Appearance:||light Yellow||Grade:||sublimed grade|
Category: Sublimed grade Spiro-OMeTAD