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739316

Sigma-Aldrich

PEDOT:PSS

greener alternative

conductive inkjet ink, 0.8% aqueous dispersion

Synonym(s):

Orgacon IJ-1005, PEDOT:PSS, Poly(2,3-dihydrothieno-1,4-dioxin)-poly(styrenesulfonate)

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About This Item

MDL number:
UNSPSC Code:
12352103
NACRES:
NA.23
Pricing and availability is not currently available.

Product Name

Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate), 0.8% in H2O, conductive inkjet ink

Quality Level

form

liquid

contains

1-5% Ethanol
5-10% Diethylene glycol

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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concentration

0.8% in H2O

sheet resistance

110 Ω/sq

refractive index

n20/D 1.340

pH

1.5-2.5

viscosity

7-12 cP(22 °C)

density

0.985 g/mL at 25 °C

greener alternative category

storage temp.

2-8°C

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General description

Poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) is an organic semiconductor wherein conjugated PEDOT is doped with sulfonated PSS, which acts as a counter ion. PEDOT is responsible for the conduction mechanism and the hydrated colloidal solution formed by PSS.[1][2]
PEDOT:PSS has high electrical conductivity and good oxidation resistance, the properties which make it suitable for electromagnetic shielding and noise suppression. Thus, the polymeric film formed possesses high transparency throughout the visible light spectrum and even in near IR and near UV regions, displaying virtually 100% absorption from 900-2,000 nm. No absorption maximum from 400-800 nm was observed.[3]
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Application

PEDOT:PSS acts as an intrinsically conductive polymer, which can be coated on a variety of substrates and nanoparticles like fullerenes (C60) for the low-cost printing of electronics and optoelectronics based applications.[4][5] Conductive hydrogels can be prepared by using PEDOT:PSS with polyethylene glycol-diacrylate, which can be potentially used in tissue engineering[6].
Virtually 100% absorption from 900-2,000 nm. No absorption maximum from 400-800 nm. Conductive polymer blend.

Legal Information

Product of Agfa-Gevaert N.V.
Orgacon is a trademark of Agfa-Gevaert N.V.

Storage Class Code

10 - Combustible liquids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Certificates of Analysis (COA)

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Mechanically robust, photopatternable conductive hydrogel composites.
Pal RK, et al.
Reactive and Functional Polymers, 120(4), 66-73 (2017)
Adrien Pierre et al.
Advanced materials (Deerfield Beach, Fla.), 26(32), 5722-5727 (2014-06-20)
A combination of surface energy-guided blade coating and inkjet printing is used to fabricate an all-printed high performance, high yield, and low variability organic thin film transistor (OTFT) array on a plastic substrate. Functional inks and printing processes were optimized
New Conducting and Semiconducting Polymers for Organic Photovoltaics.
Sapp S and Luebben S
MRS Online Proceedings Library, 1270(4) (2010)
The Influence of PEDOT to PSS Ratio on the Optical Properties of PEDOT: PSS Thin Solid Films-Insight from Spectroscopic Ellipsometry.
Bednarski H, et al.
Acta Physica Polonica A, 130(5), 1242-1244 (2016)
EFFECTIVENESS OF ANNEALING TREATMENT AND POLYMER BLENDS ON IV CHARACTERISTSICS OF POLYMER SOLAR CELL.
Rosa E and Shobih S
Reaktor, 14(4), 261-266 (2014)

Articles

A detailed article on conducting polymer materials for flexible organic photovoltaics (OPVs) applications.

In the field of organic printable electronics, such as OLEDs and organic photovoltaics (OPVs), improved organic conducting and semiconducting materials are needed. The progress in two fields is reviewed in this article.

In the field of organic printable electronics, such as OLEDs and organic photovoltaics (OPVs), improved organic conducting and semiconducting materials are needed. The progress in two fields is reviewed in this article.

In the field of organic printable electronics, such as OLEDs and organic photovoltaics (OPVs), improved organic conducting and semiconducting materials are needed. The progress in two fields is reviewed in this article.

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Questions

1–7 of 7 Questions  
  1. For product 739316, is there a chart available that shows the relation between spin coating speed and film thickness?

    1 answer
    1. Unfortunately, the coating performance of 739316 under spinning, including film thickness, hasn't been tested.

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  2. Is the ink ready to inkjet through a 16um nozzle? I tried but it seems to has a higher viscosity. How can I lower the viscosity?

    1 answer
    1. Unfortunately, the suitability to use a 16um nozzle is not determined. However, the end-user can dilute the PEDOT:PSS solution using water.

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  3. If it's ink why is it showing in gram? Is it power?

    1 answer
    1. This product is a dark blue liquid that is sold by weight. The package quantity is 25 g. Based on the density, the calculated volume is 25.38 mL.

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  4. Why does product 739316, Orgacon™ IJ-1005, have a low pH?

    1 answer
    1. Orgacon™ IJ-1005 has a low pH because this ink is intended for use as an HIL (hole-injection layer) in OLED materials. Increasing pH would negatively affect the workfunction, but if you want to print on textiles to obtain conducting lines, you can slightly adjust the pH with amonia or an organic amine base. The ink is in water and typically needs to reach 130°C for drying.

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  5. Is a dried film of product 739316 (poly(3,4-Ethylenedioxythiophene)-poly(styrenesulfonate)) stable in air in a laboratory environment?

    1 answer
    1. Product 739316 (poly(3,4-Ethylenedioxythiophene)-poly(styrenesulfonate)) is susceptible to oxidation and photo degradation, however, our supplier has outlined that this concern is in reference to exposure to strong oxidizing agents and UV light in particular. The product when dried on target will be stable in a typical lab air environment, however, one will notice degradation and lack of conductivity when exposed to UV light, strong oxidizing conditions, heat, and or high humidity for extended periods of time.

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  6. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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  7. What can you tell me regarding the method of preparation of the PEDOT/PSS products, such as Products 768618 and 739316?

    1 answer
    1. The information on the molecular weights of the PEDOT and PSS used to make each batch is held as proprietary.The exact information on the relative amounts (by weight) of the PEDOT and PSS present in these polymers is also held as proprietary. There is a little more PSS than PEDOT; this is logical, since the formula weight for the monomeric equivalent in PSS (C7H6SO3) is a little higher than the formula weight for the monomeric equivalent in PEDOT (C6H4SO2).The solution, product 739316 is made in situ; it is not made from the dry pellets (product 768618).

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