High Efficiency Narrow Bandgap Copolymer
Single-junction non-fullerene polymer PBQx-TF solar cells achieve efficiencies close to 19%
Overview | Specifications | MSDS | Literature and Reviews | Technical Support
PBQx-TF is a highly efficient semiconducting polymer donor, based on electron donating benzo[1,2-b:4,5-b']dithiophene (BDT) and electron withdrawing dithieno[3,2-f:2',3'-h]quinoxaline (DTQx) units as the main backbone. There are two 2-ethylhexyl-3-fluorothiophene side chains on the fused BDT ring and 2-butyloctyl solubilizing groups on the bridging thiophen rings. Our Luminosyn™ PBQx-TF is available in larger quantities of 5–10 grams with a lead time up to 6 weeks, please contact us for details.
Single junction non-fullerene polymer solar cells based on PBQx-TF as the electron donor and eC9-2Cl:F-BTA3 as the binary electron acceptors in the active layer achieved a PCE of 19% with an open-circuit voltage of 0.879 V, short-circuit current density of 26.7 mA cm-2, and fill factor of 0.809.
The Luminosyn™ Range
High Purity Materials: Purified by Soxhlet extraction with methanol, hexane, and chlorobenzene under argon atmosphere.Batch-Specific Data: Confidence in your materials with batch-specific GPC data for your thesis or publications.Large Quantity Orders: Plan your experiments with confidence using polymers from the same batch.General Information
| CAS Number | N/A |
|---|---|
| Chemical Formula | (C78H94F2N2S8)n |
| Full Name | Poly[(2,6-(4,8-bis(5-(2-ethylhexyl)-4-fluoro)thiophen-2-yl)-benzo[1,2-b:4,5-b’]dithiophene)-alt-5,5'-(6,9-bis(4-(2-butyloctyl)thiophen-2-yl)dithieno[3,2-f:2',3'-h]quinoxaline)] |
| HOMO / LUMO | HOMO = -5.41 eV, LUMO = -2.82 eV [1] |
| Solubility | Chloroform, chlorobenzene and dichlorobenzene |
| Recommended Processing Solvents at 10mg/ml | o-Xylene (8mg/ml - M2383A1), dichlorobenzene (5mg/ml - M2383A2) |
| Synonyms | PCE19 |
| Classification or Family | Organic semiconducting materials, Medium bandgap polymers, Organic photovoltaics, Polymer solar cells, Perovskite solar cells, Hole-transport layer materials, NF-PSCs, All-polymer solar cells (all-PSCs) |
Example Device Structure
ITO/PEDOT:PSS AI 4083/PBQx-TF:eC9-2Cl:F-BTA3 (1:1:0.2)/PNDIT-F3N-Br/Ag [1]
| Thickness (nm) | VOC (V) | JSC (mA cm-2) | FF (%) | PCE (%) |
|---|---|---|---|---|
| 100 | 0.879 | 26.7 | 80.9 | 18.99 |
Batch Details
| Batch | Mw | Mn | PDI | Stock Info |
|---|---|---|---|---|
| M2383A1 | 40,126 | 16,342 | 2.46 | In stock |
| M2383A2 | 119,668 | 33,168 | 3.61 | In stock |
Chemical Structure
MSDS Documentation
PBQx-TF MSDS SheetLiterature and Reviews
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Single-Junction Organic Photovoltaic Cell with 19% Efficiency, Y. Cui et al., Adv. Mater., 33 (41), 2102420 (2021); DOI: 10.1002/adma.202102420.
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A chlorinated lactone polymer donor featuring high performance and low cost, K. Jin et al., J. Semicond., 43, 050501 (2022); DOI: 10.1088/1674-4926/43/5/050501.
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Star polymer donors, J. Cao et al., J. Semicond., 43, 070201 (2022); DOI: 10.1088/1674-4926/43/7/070201.