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753998

Sigma-Aldrich

PCDTBT

Synonym(s):
Poly[N-9′-heptadecanyl-2,7-carbazole-alt-5,5-(4′,7′-di-2-thienyl-2′,1′,3′-benzothiadiazole)], Poly[[9-(1-octylnonyl)-9H-carbazole-2,7-diyl]-2,5-thiophenediyl-2,1,3-benzothiadiazole-4,7-diyl-2,5-thiophenediyl]
Linear Formula:
(C43H47N3S3)nC12H10
CAS Number:
NACRES:
NA.23

description

Band gap: 1.9 eV

Quality Level

form

solid

mol wt

average Mw 100,000-140,000

loss

0.5 wt. % TGA, 409 °C

mp

270-300 °C

transition temp

Tm >400 °C

λmax

576 nm

Orbital energy

HOMO -5.5 eV 
LUMO -3.6 eV 

OPV Device Performance

ITO/MoO3-Al/PCDTBT:PC71BM/MoO3/Al[15]

  • Short-circuit current density (Jsc): 10.88 mA/cm2
  • Open-circuit voltage (Voc): 0.88 V
  • Fill Factor (FF): 0.71
  • Power Conversion Efficiency (PCE): 6.77 %

ITO/PEDOT:PSS/PCDTBT:PC71BM (1:4)/TiOxAl[17]
  • Short-circuit current density (Jsc): 11.32 mA/cm2
  • Open-circuit voltage (Voc): 0.88 V
  • Fill Factor (FF): 0.69
  • Power Conversion Efficiency (PCE): 6.9 %

ITO/PEDOT:PSS/PCDTBT:PC71BM/Al[12]
  • Short-circuit current density (Jsc): 9.7 mA/cm2
  • Open-circuit voltage (Voc): 0.82 V
  • Fill Factor (FF): 0.61
  • Power Conversion Efficiency (PCE): 5.3 %

semiconductor properties

P-type (mobility=6×10−5 cm2/V·s)

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General description

PCDTBT is a carbozole based semiconducting co-polymer that is used as a donor material with a low band gap and a power efficiency of 9%. It has a quantum efficiency close to 100% that makes it a viable alternative of P3HT for a wide range of photovoltaics based applications.[62][63][64]
Soluble in THF, chloroform, chlorobenzene, dichlorobenzene, and 1,2,3-trichlorobenzene

Application

PCDTBT blend with PCBM as a nanocomposite can be used as a donor/acceptor material for the fabrication of photovoltaic solar cells and photovoltaic inks.[72][66][68] It may also be used as an active layer that can be used in the development of organic field effect transistors (OFETs) for the parts per million (ppm) level detection of NO2 gas.[69]

Packaging

100 mg in glass insert

Storage Class Code

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

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Certificate of Origin

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