PBDTT-DPP
PBDTT-DPP, low band-gap semiconducting polymer
High purity and available online for priority dispatch
PBDTT-DPP is a low band-gap polymer with strong photosensitivity in the range of 650-850 nm, with an onset absorption at 858 nm (Eg = 1.45 eV, near infrared absorption). However, it is less sensitive to visible light in the solar spectrum. For this reason, PBDTT-DPP is an ideal candidate for tandem solar cell structures, having achieved device performances of 8.62% (device structure: ITO/ZnO/P3HT:ICBA/PDOT:PSS/ZnO/PBDTT-DPP:PC71BM/Ag).
Additionally, a single-layer device based on PBDTT-DPP was shown to demonstrate a power conversion efficiency of 6%.[1] PBDTT-DPP also finds application in perovskite solar cells due to its perfect energy level line-ups with perovskites.
Luminosyn™ PBDTT-DPP
General Information
| Full name | Poly{2,6′-4,8-di(5-ethylhexylthienyl)benzo[1,2-b;3,4-b]dithiophene-alt-5,5'-dibutyloctyl-3,6-bis(5-thiophen-2-yl)pyrrolo[3,4-c]pyrrole-1,4-dione} |
| Synonyms | PBDT-DPP |
| Chemical formula | (C72H94N2O2S6)n |
| CAS number | 1380582-98-8 |
| HOMO / LUMO | HOMO = -5.30 eV, LUMO = -3.63 eV [1] |
| Classification / Family | Organic semiconducting materials, Low band gap polymers, Organic photovoltaics, Polymer solar cells, Tandem solar cells, Perovskite solar cells. |
| Solubility | Soluble in chloroform, chlorobenzene, dichlorobenzene |
Batch details
| Batch | Mw | Mn | PDI |
| M1401 | 136,000
| 79,000
| 1.73 |
| M1402 | 88,883 | 31,615 | 2.81 |
| M1401A1 | 252,834 | 53,142 | 4.8 |
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