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Product Code M2278A1-100mg
Price $299 ex. VAT

PClTO2, eco-friendly green material with high device performance efficiencies

Low cost, high purity polymer available online for priority dispatch


Specifications | MSDS | Literature and Reviews


PClTO2 is an alternating copolymer with benzodithiophene (BDT) and thiophene carboxylate ester as the main backbone units. It has great solubility in the common solvents due to its simple structure.

PClTO2 can be used for highly efficient lower cost non-fullerene polymer solar cells (NF-PSCs) with the advantage of being able to be processed in eco-friendly non-halogenated solvents i.e. THF, o-xylene and 1,2,4-trimethylbenzene.

Wide bandgap copolymer

Wide bandgap copolymer

For high efficient OPV applications

Luminosyn™

Luminosyn™

High purity, batch-specific GPC data, available larger batch orders and higher molecular weight

Worldwide shipping for PClTO2

Worldwide shipping

Quick and reliable shipping

Green energy material

Green energy materials

Processable in non-halogenated solvents

PClTO2 is first developed at Ossila as one of the green energy materials. Both PClTO2 and PTO2 are eco-friendly green energy materials and good replacements for PM6 and PTB7-Th with simpler structures at lower costs while maintaining high device performance efficiencies. No literature concerning PClTO2 or the same chemical structure was detected at the time of the product launch at Ossila.

Luminosyn™ PClTO2


Luminosyn™ PClTO2 is now available.

High purity

PClTO2 is purified by Soxhlet extraction with methanol, hexane and chlorobenzene under an argon atmosphere

Batch-specific GPC data

Batch specific GPC data is always available for your thesis or publication

Large-quantity orders

Plan your experiments with confidence with polymers from the same batch

General Information


Full name Poly[(2,6-(4,8-bis(5-(2-ethylhexyl-3-chloro)thiophen-2-yl)-benzo[1,2-b:4,5-b’]dithiophene))-alt-(2,2-ethyl-3(or4)-carboxylate-thiophene)]
Synonyms PTO2-Cl
Chemical formula (C41H44Cl2O2S5)n
CAS number n.a.
HOMO / LUMO HOMO = -5.66 eV, LUMO = -3.41 eV (measured, please see characterisations)
Soluble in THF, o-xylene, chloroform, chlorobenzene and dichlorobenzene
Recommended Processing Solvents at 10mg/ml THF (8mg/ml), o-xylene (8mg/ml), chloroform
Classification / Family Organic semiconducting materials, Wide band-gap polymers, Organic Photovoltaics, Polymer solar cells, NF-PSCs, All-polymer solar cells (all-pscs), Clean energy materials.

Batch Details


Batch Mw Mn PDI Stock Info
M2278A1 73,405 27,972 2.62 In stock

Chemical Structure


PClTO2 structure and solubility
Chemical structure of PClTO2 and its solubility in THF and o-xylene.

MSDS Documentation


PClTO2 MSDSPClTO2 MSDS sheet

Literature and Reviews


  1. Achieving Over 15% Efficiency in Organic Photovoltaic Cells via Copolymer Design, Y. Cui et al., Adv. Mater., 31 (14), 1808356 (2019); DOI: 10.1002/adma.201808356.
  2. Wide bandgap polymer donors for high efficiency non-fullerene acceptor based organic solar cells, K. He et al., Mater. Adv., 2, 115 (2021); DOI: 10.1039/d0ma00790k.
  3. 14.7% Efficiency Organic Photovoltaic Cells Enabled by Active Materials with a Large Electrostatic Potential Difference, H. Yao et al., J. Am. Chem. Soc., 141, 19, 7743–7750 (2019); DOI: 10.1021/jacs.8b12937.
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