A hole-transport material
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Spiro-MeOTAD

Item No. 17317

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
N2,N2,N2’,N2',N7,N7,N7’,N7’-octakis(4-methoxyphenyl)-9,9'-spirobi[9H-fluorene]-2,2',7,7'-tetramine
CAS Number
207739-72-8
Synonyms
  • 2,2’,7,7’-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9’-spirobifluorene
Molecular Formula
C81H68N4O8
Formula Weight
1225.4
Purity
≥95%
Formulation (Request formulation change)
A crystalline solid
Solubility(Learn about Variance in Solubility)
DMF: 10 mg/ml
λmax
205, 302, 383 nm
SMILES
COC(C=C1)=CC=C1N(C2=CC=C(OC)C=C2)C(C=C3)=CC4=C3C(C=CC(N(C5=CC=C(OC)C=C5)C6=CC=C(OC)C=C6)=C7)=C7C48C(C=C(N(C9=CC=C(OC)C=C9)C%10=CC=C(OC)C=C%10)C=C%11)=C%11C%12=C8C=C(N(C%13=CC=C(OC)C=C%13)C%14=CC=C(OC)C=C%14)C=C%12
InChi Code
InChI=1S/C81H68N4O8/c1-86-65-29-9-53(10-30-65)82(54-11-31-66(87-2)32-12-54)61-25-45-73-74-46-26-62(83(55-13-33-67(88-3)34-14-55)56-15-35-68(89-4)36-16-56)50-78(74)81(77(73)49-61)79-51-63(84(57-17-37-69(90-5)38-18-57)58-19-39-70(91-6)40-20-58)27-47-75
InChi Key
XDXWNHPWWKGTKO-UHFFFAOYSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $31

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    5 mg

    $99

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    10 mg

    $152

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    50 mg

    $607

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    Product Description

    Spiro-MeOTAD is a stable and efficient hole-transport material in organic light-emitting devices and in solid-state dye-sensitized solar cells (ssDSSCs).1 It yields higher ssDSSC efficiency compared to the liquid electrolyte for DSSC solar cells due to its reasonable charge carrier mobility and its amorphous nature and high solubility, which enables excellent infiltration into mesoporous titania films.1 Neutral spiro-MeOTAD absorbs light in the UV region of the spectrum, while its oxidized forms exhibit strong absorptions throughout the visible and near-infrared ranges.1

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Fantacci, S., De Angelis, F., Nazeeruddin, M.K., et al. Electronic and optical properties of the spiro-MeOTAD hole conductor in its neutral and oxidized forms: A DFT/TDDFT investigation. J. Phys. Chem. C 115, 23126-23133 (2011).