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D18-Cl
Product Code M2281A1-100mg
Price $575 ex. VAT
$ USD

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D18-Cl, highly efficient polymer semiconductor for NF-PSCs

Deeper HOMO and LUMO levels than D18

D18-Cl, a chlorinated version of D18, is another highly efficient polymer semiconductor that is demonstrating over 18% PCE in non-fullerene polymer solar cells (NF-PSCs).

When compared with D18, which has fluorinated thiophene side chains, shows both deeper HOMO and LUMO energy levels. A device efficiency of 18.12% and certified efficiency of 17.6% have been achieved using D18-Cl as the electron donor and N3 as an acceptor in a single junction non-fullerene polymer solar cell (NF-PSC) [1]. Further improvement of device performance to an outstanding PCE of 18.69% was obtained while a second acceptor PC61BM was used in the active layer [2].

More details are available at our green energy materials collection for non-halogenated solvents processing.

Device structure 1: ITO/PEDOT:PSS/D18-Cl:N3 (1:1.4)/PDIN/Ag

Narrow bandgap copolymer

Narrow bandgap copolymer

For high efficient OPV applications

Luminosyn™

Luminosyn™

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

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Green energy material

Green energy materials

Processable in non-halogenated solvents

Thickness (nm) VOC (V) JSC (mA cm-2) FF (%) PCE (%)
108 0.859 27.85 75.7 18.13

Device structure 2: ITO/PEDOT:PSS/D18-Cl:N3:PC61BM (1:1.4:0.1)/PDIN/Ag

Thickness (nm) VOC (V) JSC (mA cm-2) FF (%) PCE (%)
114 0.849 28.22 78 18.69

Luminosyn™ D18-Cl

Luminosyn™ D18-Cl is now available.

High purity
D18-Cl is purified via Soxhlet extraction with acetone, hexane, and chlorobenzene under an argon atmosphere

Large quantity orders
Plan your experiments 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-5,5'-(5,8-bis(4-(2-butyloctyl)thiophen-2-yl)dithieno[3',2':3,4;2'',3'':5,6]benzo[1,2-c][1,2,5]thiadiazole)]
Synonyms PBDBTCl-DTBT
Chemical formula (C76H92Cl2N2S7)n
CAS number n.a.
HOMO / LUMO HOMO = -5.56 eV, LUMO = -2.78 eV [1]
Solubility THF, o-xylene, chloroform, chlorobenzene and dichlorobenzene
Processing solvents THF, o-xylene, chloroform, chlorobenzene and dichlorobenzene
Classification / Family Organic semiconducting materials, Medium bandgap polymers, Organic photovoltaics, Polymer solar cells, Perovskite solar cells, Hole-transport layer materials, NF-PSCs, All-polymer solar cells (all-PSCs).

Chemical Structure

D18-Cl, PBDBTCl-DTBT
Chemical structure of D18-Cl

MSDS Documentation

D18-Cl MSDSD18-Cl MSDS sheet

Pricing

Batch Quantity Price
M2281A1 100 mg £460
M2281A1 250 mg £950
M2281A1 500 mg £1600
M2281A1 1 g £2800
M2281A1 5 g / 10 g* Please contact us for details

*for 5 - 10 grams order quantity, the lead time is 4-6 weeks.

Batch details

Batch Mw Mn PDI Stock Info
M2281A1 31,139 16,456 1.89 In stock

Literature and Reviews

  1. A chlorinated copolymer donor demonstrates a 18.13% power conversion efficiency, J. Qin et al., J. Semicond., 42 (1), 010501 (2021); DOI: 10.1088/1674-4926/42/1/010501.
  2. 18.69% PCE from organic solar cells, K. Jin et al., J. Semicond., 42(6), 060502 (2021); DOI: 10.1088/1674-4926/42/6/060502.
  3. Approaching 18% efficiency of ternary organic photovoltaics with wide bandgap polymer donor and well compatible Y6 : Y6-1O as acceptor, X. Ma et al., Natl. Sci. Rev. 8, nwaa305 (2021); DOI: 10.1093/nsr/nwaa305.

Characterisations

UV-Vis Absorption

d18-cl uv-vis absorption in chloroform and in fim
UV-Vis absorption of of D18-Cl in chloroform (CF) and in film (as-cast film on glass) and its solubility in THF at 8 mg/ml.

Cyclic Voltammetry

d18-cl polymer cyclic voltammetry in film
Cyclic voltammograms of the D18-Cl film on platinum electrode in 0.1M Bu4NClO4 in acetonitrile at a scan rate of 100 mV s−1.

The cyclic voltammograms (CV) measurements were recorded on Ossila Potentiostat by using a three-electrode system with platinum disc as the working electrode, platinum wire as the counter electrode, Ag/Ag+ electrode as the reference electrode with a scanning rate of 100 mV/s in a 0.1 M tetrabutylammonium perchlorate (Bu4NClO4) solution. The potential of Ag/Ag+ reference electrode was internally calibrated by using ferrocene/ferroncenium (Fc/Fc+) as the redox couple.

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.

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