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Pricing
| Batch | Quantity | |
| M2097A1 | 100 mg | |
| M2097A1 | 250 mg | |
| M2097A1 | 500 mg | |
| M2097A1 | 1 g | |
| M2097A1 | 2 g | |
| M2097A1 | 5 g / 10 g* |
|
*for order quantities of 5-10 grams, the lead time is 4-6 weeks.
Batch details
| Batch | Mw | Mn | PDI | |
| M2097A1 | >=50,000 | >=20,000 | <=3 |
|
General Information
| Full name | Poly[(2,6-(4,8-bis(5-(2-ethylhexylthio)-4-fluorothiophen-2-yl)-benzo[1,2-b:4,5-b’]dithiophene))-alt-(5,5-(1’,3’-di-2-thienyl-5’,7’-bis(2-ethylhexyl)benzo[1’,2’-c:4’,5’-c’]dithiophene-4,8-dione)] |
| Synonyms | PCE13, PBDB-TSF |
| Chemical formula | (C68H76F2O2S10)n |
| CAS number | n.a. |
| HOMO / LUMO | HOMO = -5.40 eV, LUMO = -3.60 eV [1] |
| Solubility | Chloroform, chlorobenzene and dichlorobenzene |
| Classification / Family |
Organic semiconducting materials, Medium band-gap polymers, Organic Photovoltaics, Polymer solar cells, Perovskite solar cells, Hole-transport layer materials, NF-PSCs, All-polymer solar cells (all-pscs). |
Applications
PBDB-T-SF, also known as PCE13, is a polymer donor semiconductor material used in highly-efficient OPV devices, such as non-fullerene polymer solar cells (NF-PSCs) and all-polymer solar cells (all-PSCs).
Compared to PBDB-T (PCE12), PBDB-T-SF has deeper HOMO (-5.4 eV) and LUMO (-3.6 eV) energy levels. This is due to fluorination, which produces an electron-withdrawn effect without causing strong steric hindrance. Fluorination can also enhance either intermolecular and/or intramolecular interactions - thus improving film crystallinity and facilitating charge transport.
Higher maximum absorption coefficiency has also been observed for PBDB-T-SF.
Literature and Reviews
- Molecular Optimization Enables over 13% Efficiency in Organic Solar Cells, W. Zhao et al., J. Am. Chem. Soc., 139, 7148?7151 (2017); DOI: 10.1021/jacs.7b02677.
- Organic solar cells based on non-fullerene acceptors, J. Hou et al., Nat. Mater., 17, 119–128 (2018); doi:10.1038/nmat5063.
- Over 14% Efficiency in Polymer Solar Cells Enabled by a Chlorinated Polymer Donor, S. Zhang et al., Adv. Mater., 1800868 (2018); DOI: 10.1002/adma.201800868.