IDTTB6-2Br

CAS Number 2227361-27-3

Chemistry Building Blocks, Dibromo Monomers, Heterocyclic Building Blocks, Materials, Monomers

IDTTB6-2Br, used to synthesise the ITIC non-fullerene acceptors

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Specifications | MSDS | Literature and Reviews

2,8-Dibromo-6,12-dihydro-6,6,12,12-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b′]dithiophene (IDTTB6-2Br), CAS number 2227361-27-3, is a useful, IDTT cored, intermediate for the synthesis of ITIC-series non-fullerene acceptors such as ITIC, ITIC-2F, ITIC-DCl, ITIC-M, ITIC-Th, and ITIC-DM. Such acceptors can be used to create highly efficient polymer organic solar cells.

IDTTB6-2Br has the structure of a highly conjugated fused indacenodithieno[3,2-b]thiophene (IDTT) core with four hexylphenyl attachments oriented almost perpendicularly to the backbone. The introduction of four hexylphenyl groups improves the solubility and degree of crystallinity in the film state.

We stock high purity (>98%) IDTTB6-2Br and a range of other non-fullerene acceptor monomers for priority dispatch (lead times may apply for large quantities).

Enabling facile coupling reaction

with bromide end groups

Improving solubility and crystallinity

With four hexylphenyl side chain

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Electron-rich building block

Preparation of low bandgap non-fullerene acceptors (NFAs)

General Information

CAS Number	2227361-27-3
Chemical Formula	C₆₈H₇₂Br₂S₄
Molecular Weight	1177.37 g/mol
Full Name	2,8-Dibromo-6,12-dihydro-6,6,12,12-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2′,3′-d′]-s-indaceno[1,2-b:5,6-b′]dithiophene
Synonyms	2,8-Dibromo-6,6,12,12-tetrakis(4-hexylphenyl)-6,12-dihydro-dithieno[2,3-d:2',3'-d']-s-indaceno[1,2-b:5,6-b']dithiophene
Classification / Family	Indacenodithieno[3,2-b]thiophene (IDTT), Monomer and intermediates, None-fullerene acceptors (NFAs), NFA-OSCs, printing electronics

Chemical Structure

Product Details

Purity	>98% (by NMR)
Melting Point	N/A
Appearance	Yellow crystalline powder

MSDS Documentation

IDTTB6-2Br MSDS Sheet

Literature and Reviews

Performance Optimization of Parallel-Like Ternary Organic Solar Cells through Simultaneous Improvement in Charge Generation and Transport, W. Hadmojo et al., Adv. Funct. Mater., 1808731 (2019); DOI: 10.1002/adfm.201808731.
Donor polymer fluorination doubles the efficiency in non-fullerene organic photovoltaics, N. Bauer et al., . Mater. Chem. A, 5, 22536 (2017); DOI: 10.1039/c7ta07882j.
Polymer Donors for High-performance Non-fullerene Organic Solar Cells, H. Fu et al., Angew. Chem. Int. Ed., 58 (14); 4442-4453 (2019); DOI: 10.1002/ange.201806291.