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754013

Sigma-Aldrich

PFO-DBT

average Mw 10,000-50,000

Synonym(s):

Poly[2,7-(9,9-dioctylfluorene)-alt-4,7-bis(thiophen-2-yl)benzo-2,1,3-thiadiazole]

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About This Item

Linear Formula:
(C43H46N2S3)n
CAS Number:
782469-77-6
UNSPSC Code:
12352103
NACRES:
NA.23

description

Band gap: 1.87 eV

form

solid

mol wt

average Mw 10,000-50,000

loss

0.5 wt. % TGA, 400 °C

transition temp

Tm >400 °C

Orbital energy

HOMO -5.4 eV 
LUMO -3.53  (CV)

OPV Device Performance

ITO/PEDOT:PSS/PFO-DPT:PC61BM (1:2)/Ba/Al

  • Short-circuit current density (Jsc): 5.18 mA/cm2
  • Open-circuit voltage (Voc): 0.95 V
  • Fill Factor (FF): 0.35
  • Power Conversion Efficiency (PCE): 2.24 %

semiconductor properties

P-type (mobility=3×10−4 cm2/V·s)

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Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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Fluorene-based low band-gap copolymers for high performance photovoltaic devices
Zhou, Q.; et al.
Applied Physics Letters, 84, 1653-1653 (2004)

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