CAS Number 2240998-88-1
ITIC-4Cl (CAS number 2253663-81-7), a high performing ITIC derivative also known as ITIC-DCl or IT-4Cl, can be used to replace fullerene acceptors in non-fullerene organic solar cells (NFA-OSCs) or non-fullerene polymer solar cells (NFA-PSCs). Compared to ITIC-4F, it has lower HOMO/LUMO energy levels. This is due to the partial larger dipole moment of the chloro-containing molecules.
Together with IT-2Cl as an acceptor material, a power conversion efficiency (PCE) of over 14% has been achieved using ITIC-4Cl, with PBDB-T-F as a donor polymer material.
Devices architecture: ITO/PEDOT:PSS AI 4083 (35 nm)/PBDB-T-2F:IT-2Cl(20%):IT-4Cl(80%) (95-100 nm)/PFN-Br/Al (100 nm)
| CAS Number | 2253663-81-7 |
| Chemical Formula | C94H78Cl4N4O2S4 |
| Purity | >98% (1H NMR) |
| Full Name | 3,9-bis(2-methylene-((3-(1,1-dicyanomethylene)-6,7-dichloro)-indanone))-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d:2’,3’-d’]-s-indaceno[1,2-b:5,6-b’]dithiophene |
| Molecular Weight | 1565.72 g/mol |
| HOMO / LUMO | HOMO = -5.75 eV, LUMO = -4.09 eV [1] |
| Synonyms | IT-4Cl, ITIC-DCl, ITIC-Cl |
| Classification / Family | NFAs, organic semiconducting materials, low band-gap small molecule, small molecular acceptor, organic photovoltaics, polymer solar cells, NF-PSCs, n-type acceptor |
Chemical structure of ITIC-4Cl, CAS 2253663-81-7
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