HDOQx-DBrDF, high purity (>99%) monomer
Used in low band gap semiconducting polymers for organic photovoltaic devices
HDOQx-DBrDF, namely 5,8-Dibromo-6,7-difluoro-2-((2-hexyldecyl)oxy)quinoxaline, is a fluorinated quinoxaline derivative. Quinoxaline derivatives are widely used as electron deficient units in low bandgap semiconducting polymers for organic photovoltaic devices. Further introduction of fluorine atoms on the benzene ring makes electron density in the structure even poorer, down-shifting the highest occupied molecular orbital (HOMO) energy level and increasing charge mobility of the targeted polymer donors. Fluorination also achieves fast charge separation and low nonradiative recombination loss in the PSCs, resulting both high VOC and JSC. Large hexyldecyloxy (HD) group is there to enhance absorption of the polymers and to improve the targeted polymers' solubility in most of the common solvents.
HDOQx-DBrDF has been used for the synthesis of PTQ10 as a highly efficient polymer semiconductor for NF-PSCs.
|Molecular weight||564.34 g/mol|
|Classification / Family||Quinoxaline, Semiconductor synthesis intermediates, Low band gap polymers, OFETs, Organic photovoltaics, polymer solar cells|
|Purity||> 99% (byHPLC, 254 nm, 1H NMR in CDCl3)|
Literature and Reviews
- Achieving Fast Charge Separation and Low Nonradiative Recombination Loss by Rational Fluorination for High-Efficiency Polymer Solar Cells, C. Sun et al., Adv. Mater., 31, 1905480 (2019); DOI: 10.1002/adma.201905480.
- Exciton and Charge Carrier Dynamics in Highly Crystalline PTQ10:IDIC Organic Solar Cells, H. Cha et al., Adv. Energy Mater., 10 (38), 2001149 (2020); DOI: 10.1002/aenm.202001149.
- Tailored phase conversion under conjugated polymer enables thermally stable perovskite solar cells with efficiency exceeding 21%, L. Meng et al., J. Am. Chem. Soc., 140, 49, 17255–17262 (2018); DOI: 10.1021/jacs.8b10520.
Rationally pairing photoactive materials for high-performance polymer solar cells with efficiency of 16.53%, Y Wu et al., Sci. CHINA Chem., 63, 265 (2020); DOI: 10.1007/s11426-019-9599-1..
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