提供者：深圳市泽任科技有限公司 发布时间：2026/5/18 14:32:45 阅读次数：807次 进入该公司店铺
IDIC-4F (CAS number 2229934-71-6), a fluorinated analog of IDIC, shows an A-D-A type structure. The structure has an electron-donating fused five-member-ring indaceno[1,2-b:5,6-b′]dithiophene (IDT) core, terminated by two electron-withdrawing units, 2-(5,6-difluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile (IC-2F).
All small molecule organic solar cells (SM-OSCs) with H14 as a small molecule donor and IDIC-4F as electron acceptor have an easy to fabricate and simple structure. Such devices have been shown to give a device performance efficiency over 12.1% which is the highest efficiency reported for IDIC-4F-based SM-OSCs.
Device structure: ITO/PEDOT:PSS AI 4083/H14:IDIC-4F/PDINO/Al [2]
| Thickness (nm) | VOC(V) | JSC(mA cm-2) | FF (%) | PCE(%) |
|---|---|---|---|---|
| 85 | 0.943 | 18.3 | 70.2 | 12.1 |
| CAS Number | 2229934-71-6 |
|---|---|
| Chemical Formula | C66H62F4N4O2S2 |
| Purity | ≥99% (1HNMR) |
| Full Name | 2,2'-((2Z,2'Z)-((4,4,9,9-tetrahexyl-4,9-dihydro-s-indaceno[1,2-b:5,6-b']dithiophene-2,7-diyl)bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3-dihydro-1H-indene-2,1-diylidene))dimalononitrile |
| Molecular Weight | 1083.35 g/mol |
| Absorption* | λmax 707 nm (Film) |
| HOMO / LUMO | HOMO = -6.30 eV, LUMO = -3.82 eV [1] |
| Solubility | Chloroform, chlorobenzene |
| Form | Dark purple red powder/crystals |
| Synonyms | ID4F, ID-4F |
| Classification / Family | NFAs, n-type non-fullerene electron acceptors, Organic semiconducting materials, Low band-gap small molecule, Small molecular acceptor, Organic photovoltaics, Polymer solar cells, NF-PSCs |
* Measurable with an optical spectrometer
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