PTB7-Th, PCE10, PBDTTT-EFT
PTB7-Th (also known as PCE10 or PBDTTT-EFT), CAS number 1469791-66-9, is one of the new generation of OPV donor polymers that could deliver on the heralded 10/10 target of 10% efficiency and 10 years lifetime. This material has already shown impressive potential with in excess of 9% efficiency reported in the literature and over 7% produced when using large area deposition processes in air with a standard architecture [1,2]. In our own labs we have achieved efficiencies of over 9%.
The advantages of PCE10 are that not only does the material lower HOMO/LUMO levels and increase the efficiencies compared to PTB7, but more significantly it is also far more stable. Early indications are that it can be handled under ambient conditions without issues, suggesting that we can look forward to measuring the long term lifetime of the devices.
| CAS Number | 1469791-66-9 |
|---|---|
| Full Name | Poly[4,8-bis(5-(2-ethylhexyl)thiophen-2-yl)benzo[1,2-b;4,5-b']dithiophene-2,6-diyl-alt-(4-(2-ethylhexyl)-3-fluorothieno[3,4-b]thiophene-)-2-carboxylate-2-6-diyl] |
| Chemical Formula | (C49H57FO2S6)n |
| HOMO / LUMO | HOMO = 5.24 eV, LUMO = 3.66 eV [1] |
| Optical | λmax = 720 nm; λedge = 785 nm; Eg (optical) = 1.58 eV |
| Recommended solvents | Chlorobenzene, dichlorobenzene |
| Synonyms | PCE10, PBDTT-FTTE, PTB7-Th |
| Classification / Family | Thienothiophene, Benzodithiophene, Heterocyclic five-membered ring, Organic semiconducting materials, Low band gap polymers, Organic Photovoltaics, Polymer Solar Cells, All-PSCs, NF-PSCs |
Chemical structure of PCE10 (PBDTTT-EFT), (C49H57FO2S6)n
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