Functionalized dithieno[2,3-b:3′,2′-d]thiophenes (DTTs) for organic thin-film transistors
-
Add time:09/28/2019 Source:infona.pl
A series of dithieno[2,3-b:3′,2′-d]thiophene (DTT; 1) derivatives were synthesized and characterized. Facile, one-pot [2+1] and [1+1+1] synthetic methods of DTT were developed, which enabled the efficient realization of a new DTT-based semiconductor series for organic thin-film transistors (OTFTs). These DTTs are end-functionalized with perfluorophenyl (FP-), perfluorobenzoyl (FB-), benzoyl (B-), 2-naphthylcarbonyl (Np-), 2-benzothiazolyl (BS-), 2-thienylcarbonyl (T-), and 2-(5-hexyl)thienylcarbonyl (HT-) groups. The molecular structures of DFP-DTT (3), DFB-DTT (4), FBB-DTT (5), DB-DTT (6), and DNp-TT (7) were determined via single-crystal X-ray diffraction. Our studies reveal that the majority of these carbonyl-containing derivatives exhibit p-channel transport with hole mobilities of up to 0.01cm 2 /Vs for DB-DTT and DBS-DTT, while perfluorobenzoyl and perfluorophenyl-substituted compounds exhibit n-channel transport with mobilities up to 0.002cm 2 /Vs for DFB-DTT, 0.03cm 2 /Vs for FBB-DTT, and 0.07cm 2 /Vs for DFP-DTT, rendering the latter the DTT derivative currently having the highest electron mobility in OTFT devices. Within this family, the carrier mobility values are strongly dependent upon the semiconductor growth temperature and the dielectric surface treatment.
We also recommend Trading Suppliers and Manufacturers of DITHIENO[2,3-B:3',2'-D]THIOPHENE (cas 236-63-5). Pls Click Website Link as below: cas 236-63-5 suppliers
Prev:Fused mesoionic heterocycles: synthesis of [1,2,3]triazolo[1,5-a]quinoline, [1,2,3]triazolo[1,5-a]quinazoline, [1,2,3]triazolo[1,5-a]quinoxaline and [1,2,3]triazolo[5,1-c]benzotriazine derivatives
Next:Potential – Controlled adsorption of dithieno[2,3-b:3,2-d]thiophene derivatives on electrified Au(111): As probed by in situ scanning tunneling microscopy) - 【Back】【Close 】【Print】【Add to favorite 】
- Related Information
- The preparation of substituted bithiophenyl aldehydes via the ring opening of dithieno[2,3-b:3′,2′-d]thiophene in the presence of n-BuLi09/30/2019
- Potential – Controlled adsorption of dithieno[2,3-b:3,2-d]thiophene derivatives on electrified Au(111): As probed by in situ scanning tunneling microscopy09/29/2019