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776300

Sigma-Aldrich

PBDT-TPD

average Mn 10,000-50,000, PDI ≤3.0

Synonym(s):

PBDTTPD, Poly[[5-(2-ethylhexyl)-5,6-dihydro-4,6-dioxo-4H-thieno[3,4-c]pyrrole-1,3-diyl][4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl]]

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About This Item

Linear Formula:
(C40H53NO4S3)n
CAS Number:
1231160-89-6
UNSPSC Code:
12352103
NACRES:
NA.23

description

Band gap: 1.84 eV

form

solid

mol wt

average Mn 10,000-50,000

λmax

608 nm (thin film)

orbital energy

 1.84 eV (opt)
HOMO -5.48 eV 
LUMO -3.64 eV 

P-typeOFET device performance

Mobility

    P-type
  • Mobility: 4 x 10^-4 

OPV device performance

ITO/PEDOT:PSS/PBDTBO-TPDO:PC61BM1:2 by weight)Ca/Al

  • Short-circuit current density (Jsc): 3.9 mA/cm2
  • Open-circuit voltage (Voc): 0.98 V
  • Fill Factor (FF): 51
  • Power Conversion Efficiency (PCE): 2 %

PDI

≤3.0

General description

OPV Device Structure: ITO/PEDOT:PSS/PTB7 :PC61BM/Ca/Al

  • JSC = 8.1 mA/cm2
  • VOC = 0.87 V
  • FF = 0.56
  • PCE = 4.0%
PBDT-TBP is a conducting polymer with benzodithiophene (BDT) donor groups and thieno[3,4-c]pyrrole-4,6(5H)-dione acceptor groups. It has π bridges that can be synthesized by palladium (Pd) catalyzed Stille-coupling. These π-conjugations are used to enhance the optical and electrochemical properties of the polymer.[1]

Application

High-Efficiency Organic Solar Cells (OPVs); devices prepared from mixed solvents chlorobenzene/1; 8-diiodooctane
PBDT-TBP is a donor-acceptor polymer which can be used in the fabrication of bulk heterojunction solar cells (BHJ-SCs).[2][3][4]

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
MKBN8583

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Effect of pi-conjugated bridges of TPD-based medium bandgap conjugated copolymers for efficient tandem organic photovoltaic cells
Kim J, et al.
Energy & Environmental Science, 7(12), 4118-4131 (2014)
Synthetic control of structural order in N-alkylthieno [3, 4-c] pyrrole-4, 6-dione-based polymers for efficient solar cells
Piliego C, et al.
Journal of the American Chemical Society, 132(22), 7595-7597 (2010)
Relating Nongeminate Recombination to Charge-Transfer States in Bulk Heterojunction Organic Photovoltaic Devices
Xu L, et al.
The Journal of Physical Chemistry C, 119(34), 19628-19633 (2015)
Synthesis and characterization of thieno [3, 4-c] pyrrole-4, 6-dione and pyrrolo [3, 4-c] pyrrole-1, 4-dione-based random polymers for photovoltaic applications
Zhang G, et al.
Polymer, 53(20), 4407-4412 (2012)
Claudia Piliego et al.
Journal of the American Chemical Society, 132(22), 7595-7597 (2010-05-18)
The correlation between the nature of alkyl substituents on N-alkylthieno[3,4-c]pyrrole-4,6-dione (TPD)-based polymers and solar cell device performance has been investigated. After adjusting device parameters, these TPD-based polymers used with PC(61)BM provided photovoltaic responses ranging from 4.0% to 6.8%, depending on

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