PBDTTT-EFT is a low Bandgap polymer for optoelectronic applications. Can be used with PCBM (PC61BM, SOL5061) or PC71BM (SOL5071) to make >10% PCE Solar Cells using.




CAS: 1469791-66-9

Low Bandgap polymer for optoelectronic applications. Can be used with PCBMs (SOL5061 or SOL5071) to make >10% PCE Solar Cells using.


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Mw = 100 – 250 kDa


Safety Data Sheet – SDS-SOL4720

Technical Data Sheet:

Acronyms: PBDTTT-EFT ; PCE-10 ; PTB7-Th
Chemical Name: Poly({4,8-bis[(4-(2-ethylhexyl) thiophen-2-yl)]benzo[1,2-b:4,5-b′]dithiophene-2,6-diyl}{3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4-b]thiophenediyl})
CAS# 1469791-66-9
Color and Texture: Solid dark brown powder
Molecular Weight: N/A
Absorption, λmax       (Media): N/A


Emission, λmax (Media): N/A
HOMO (eV): 5.24eV
LUMO (eV): 3.66eV
Melting point (°C): N/A
Solubility (Solvent): Chlorobenzene, dichlorobenzene
Other: N/A


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Products for Research and Development. Laboratory use only by qualified personnel. The user should read the available SDS and be aware of any precaution to take for the safe manipulation of these materials. Solarischem shall not be held responsible for any damage resulting from the use or handling of these products. Any product can be discontinued, specifications altered or price changed at any time without prior notice. The specifications and structures do not guarantee any product’s suitability for the client’s applications or uses.