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753912

Sigma-Aldrich

SMDPPEH

sublimed, 97% (HPLC)

Synonym(s):

2,5-Di-(2-ethylhexyl)-3,6-bis-(5′′-n-hexyl-[2,2′,5′,2′′]terthiophen-5-yl)-pyrrolo[3,4-c]pyrrole-1,4-dione

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About This Item

Empirical Formula (Hill Notation):
C58H72N2O2S6
CAS Number:
1093468-95-1
Molecular Weight:
1021.59
UNSPSC Code:
12352103
NACRES:
NA.23

Assay

97% (HPLC)

form

sublimed

loss

0.5 wt. % TGA, 370 °C

λmax

644 nm in methylene chloride

Orbital energy

HOMO 5.2 eV 
LUMO 3.7 eV 

OPV Device Performance

ITO/PEDOT:PSS/SMDPPEH:PC71BM (1:1)/Al

  • Short-circuit current density (Jsc): 9.2 mA/cm2
  • Open-circuit voltage (Voc): 0.75 V
  • Fill Factor (FF): 0.44
  • Power Conversion Efficiency (PCE): 3 %

ITO/PEDOT:PSS/SMDPPEH:PC71BM (3:7)/Al
  • Short-circuit current density (Jsc): 7.7 mA/cm2
  • Open-circuit voltage (Voc): 0.72 V
  • Fill Factor (FF): 0.41
  • Power Conversion Efficiency (PCE): 2.4 %

ITO/PEDOT:PSS/SMDPPEH:PC71BM (7:3)/Al
  • Short-circuit current density (Jsc): 8.7 mA/cm2
  • Open-circuit voltage (Voc): 0.72 V
  • Fill Factor (FF): 0.35
  • Power Conversion Efficiency (PCE): 2.2 %

semiconductor properties

P-type (mobility~10−4 cm2/V·s)

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WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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A low band gap, solution processable oligothiophene with a dialkylated diketopyrrolopyrrole chromophore for use in bulk heterojunction solar cells
Tamayo, A.; Dang, X.; Walker, B.; et al.
Applied Physics Letters, 94, 103301-103301 (2009)

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