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Poly[N-9'-heptadecanyl-2,7-carbazole-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-benzothiadiazole)] also known as PCDTBT is a next generation donor material ideal for high performance organic photovoltaics and air stable OFETs.

MST-PCDTBT is an exceptional quality product synthesized and tested in our laboratory. It ensures power conversion efficiency of up to 6,7% and low HOMO/LUMO levels.

Quality Control

  • Gel Permeation Chromatography (GPC)
  • Optical spectroscopy
  • Electron paramagnetic resonance (EPR)
  • Investigation of photovoltaic properties of fullerene derivatives in solar cells with the configuration: ITO/PEDOT:PSS/PCDTBT: [70]PCBM/Mg/Al


Characterization & Analysis

Material characteristic Method of Analysis Value
Appearance Dark-brown-colour powder
weight average molecular weight, Mw GPC 60 ÷ 300 kDа
Polydispersity index , PDI GPC 3÷5
Highs in the absorption spectrum, λmax Optical spectroscopy 394, 570 nm
Concentration of free radicals EPR 10-5÷10-3 mole/g
Conversion efficiency of solar cells Investigation of photovoltaic properties in solar cells 6,0÷6,7