2,2'-((2Z,2'Z)-(((4,4,9,9-tetrakis(4-hexylphenyl)-4,9-dihydro-sindaceno[1,2-b:5,6-b']dithiophene-2,7-diyl)bis(4-((2-ethylhexyl)oxy)thiophene-5,2- diyl))bis(methanylylidene))bis(5,6-difluoro-3-oxo-2,3- CAS NO.2089044-02-8

Soluble in Chloroform, chlorobenzene
IEICO-4F is a low band-gap and low energy-loss material showing an A-D-A type structure with extra thiophenes as spacers between the acceptor and donor units. 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). IEICO-4F extends into the near infrared (NIR) region with maximum absorption around 860 nm, 200 nm red-shifted compared to ITIC.

We have sublimation apparatus

By incorporating a small molecule donor BIT-4F-T, combining the merits of complementary absorption of the visible light region (400 - 600 nm) to the polymer donor PTB7-Th and non-fullerene acceptor IEICO-4F, PTB7-Th:BIT-4F-T:IEICO-4F ternary organic solar cells showed improved efficiencies, reaching up to a PCE of 14.0%.

 Acros focus on Organic Light Emitting Device (OLED), Organic Photovoltaics (OPV), Organic Thin Film Transistors (OTFT), Organic Radio Frequency Identification (ORFID), Organic Photo Conductor (OPC) and Organic Ion-Exchange Membrane (OIEM) .
Thiophene , Fluorene , Carbazole , Dithienocyclopenta/pyrrole/silole , Benzothiadiazole , Diketo-pyrrolopyrrole , Thienopyrroledione , Benzodithiophene , Thienovinylthiophene ,  Indacenodithiophene , Benzobisthiadiazole ,  Naphthothiadiazole , Naphthalenediimide , Perylenediimide , Isoindigo , Pyridinethiadiazole , Thieno[3,4-b]thiophene , etc