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ITIC-2F (n-type acceptor)

chemical structure ITIC-2F, ITIC-DF, IT-4F, 2097998-59-7
Order Code: M2075A1
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MSDS sheet
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ITIC-2F shows a more red-shifted absorption than ITIC with an improved absorption coefficient, which can be ascribed to enhanced intramolecular charge transfer. For this reason, devices with ITIC-2F as acceptors can cover a broader absorption spectrum - which can potentially enhance the device PCEs.

ITIC-2F also has deeper HOMO/LUMO energy levels. This makes it a better match for most polymer semiconductor donors, and provides better stability for device fabrication and overall performance.

Efficiency of over 13% was achieved when ITIC-2F (IT-4F) was used as an acceptor with polymer PBDB-T-SF as the active-layer donor material with a inverted device structure: indium tin oxide (ITO)/ZnO/PBDB-T-SF:TI-4F (1:1)/MoO3/Al [1].

We also now have ITIC-DCl available as another NFA for highly efficient organic solar cells.

Characterisation (1H NMR)

1h-nmr, itic-2f, itic-df
1H NMR spectrum of ITIC-2F in CDCl3 (see the full version).

General Information

Purity 99% (1H NMR)
Full name 3,9-bis(2-methylene-((3-(1,1-dicyanomethylene)-6,7-difluoro)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2’,3’-d’]-s-indaceno[1,2-b:5,6-b’]dithiophene
Synonyms ITIC-F, IT-4F, ITIC-DF
Chemical formula C94H78F4N4O2S4
CAS number 2097998-59-7
Molecular weight 1499.90
HOMO / LUMO HOMO = -5.66 eV, LUMO = -4.14 eV [1]
Classification / Family NFAs, Organic semiconducting materials, Low band-gap small molecule, Small molecular acceptor, Organic photovoltaics, Polymer solar cells, NF-PSCs.

Chemical Structure

chemical structure itic-2f, it-4f
Chemical structure of ITIC-2F

MSDS Documentation

ITIC-2F MSDSITIC-2F MSDS Sheet

Pricing

Batch Quantity Price
M2075A1 50 mg £235.00
M2075A1 100 mg £399.00
M2075A1 250 mg £831.00
M2075A1 500 mg £1500.00
M2075A1 1 g £2690.00

Literature and Reviews

  1. Molecular Optimization Enables over 13% Efficiency in Organic Solar Cells, W. Zhao at al., J. Am. Chem. Soc., 139 (21), 7148–7151 (2017); DOI: 10.1021/jacs.7b02677.
  2. Energy-Level Modulation of Small-Molecule Electron Acceptors to Achieve over 12% Efficiency in Polymer Solar Cells, S. Li et al, Adv. Mater., 28, 9423–9429 (2016); DOI: 10.1002/adma.201602776.

To the best of our knowledge the technical information provided here is accurate. However, Ossila assume no liability for the accuracy of this information. The values provided here are typical at the time of manufacture and may vary over time and from batch to batch.

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