IDTB6-2CHO, 4,4,9,9-Tetrakis(4-hexylphenyl)-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-dicarbaldehyde, is a derivative of indacenodithiophene (IDT) with extended conjugation to the hexylphenyl side chains. IDT derivatives are electron rich and used as building blocks for the synthesis of non-fullerene acceptors (NFAs) that are employed in highly efficient organic solar cells devices.
Fused IDT core of IDTB6-2CHO is believed to have the function of facilitating π-electron delocalization and improving intermolecular π–π stacking, thus to promote the intrinsic charge carrier mobility.
|Molecular weight||963.42 g/mol|
|Classification / Family||Indacenodithiophene (IDT), Monomer and inermediates, ITIC, None-fullerene acceptors (NFAs), NFA-OSCs, printing electronics|
|Purity||>98% (by NMR)|
|Melting point||No data available|
Literature and Reviews
- The Crucial Role of End Group Planarity for Fused-Ring Electron Acceptors in Organic Solar Cells, J. Rech et al., Mater. Chem. Front., 2019,3, 1642-1652 (2019); DOI: 10.1039/C9QM00314B.
- An Alkylated Indacenodithieno[3,2-b]thiophene-Based Nonfullerene Acceptor with High Crystallinity Exhibiting Single Junction Solar Cell Efficiencies Greater than 13% with Low Voltage Losses, Z. Fei et al., Adv.Mater.2018, 30, 1705209 (2018); DOI: 10.1002/adma.201705209.
- Achievement of High Voc of 1.02 V for P3HT-Based Organic Solar Cell Using a Benzotriazole-Containing Non-Fullerene Acceptor, B. Xiao et al., Adv. Energy Mater., 1602269 (2017); DOI: 10.1002/aenm.201602269.
- Extension of indacenodithiophene backbone conjugation enables efficient asymmetric A–D-A type non-fullerene acceptors, J. Song et al., J. Mater. Chem. A, 6, 18847-18852 (2018); DOI:10. 1039/C8TA07334A.
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