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Transparent conductive coating for OPV

Printable transparent electrodes for organic photovoltaics

HeiQ Xpectra is a transparent conductive coating used to print transparent electrodes in organic photovoltaics. It combines high electrical conductivity with optical transparency, supporting lightweight and flexible OPV designs. The coating is compatible with roll‑to‑roll production and integrates into established OPV manufacturing processes.

 

 

Key benefits

  • Printable transparent electrodes
    Enables printing of top and bottom electrodes for OPV, replacing opaque or sputtered solutions.
     
  • High conductivity with high transparency
    Supports efficient charge transport while maintaining optical transparency, with haze values below 5%.
     
  • Flexible and lightweight
    Suitable for bendable substrates used in flexible OPV and printed electronics.
     
  • Low‑temperature processing
    Processable at low temperatures, supporting compatibility with sensitive substrates and multilayer OPV stacks.
     
  • Scalable for industrial production
    Designed for roll‑to‑roll processing for cost‑efficient, high‑volume OPV manufacturing.
HeiQ Xpectra OPV
Transparent electrodes printed with HeiQ Xpectra in organic photovoltaics.

Applications

HeiQ Xpectra can be printed onto flexible substrates.

  • Organic photovoltaics (OPV)

    Printable transparent top and bottom electrodes for flexible solar cells.

  • Flexible and wearable electronics

    Conductive transparent layers for bendable electronic devices.

  • Printed electronics platforms

    Roll‑to‑roll compatible conductive coatings for large‑area printed systems.

  • The science behind HeiQ Xpectra OPV

    HeiQ Xpectra OPV is a transparent conductive coating based on a fine network of embedded precious metal wires in a transparent, flexible ...

    HeiQ Xpectra OPV is a transparent conductive coating based on a fine network of embedded precious metal wires in a transparent, flexible matrix. The network provides electrical conductivity while allowing visible light to pass through with low haze. The coating can be printed at low temperatures and is compatible with roll‑to‑roll OPV manufacturing processes.

    HeiQ Xpectra metal wires

  • Frequently Asked Questions (FAQ)

    • What is HeiQ Xpectra OPV used for?
    • How does HeiQ Xpectra OPV differ from conventional transparent electrodes?
    • Is HeiQ Xpectra OPV compatible with industrial OPV production?
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    HeiQ Xpectra OPV is used as a transparent electrode in organic photovoltaics. It enables printable top and bottom electrodes without sputtering or opaque materials.

    Conventional transparent electrodes often rely on sputtered layers that limit flexibility. HeiQ Xpectra OPV is printable, flexible, and suitable for roll‑to‑roll processing.

    Yes. The coating is designed for scalable, roll‑to‑roll manufacturing and low‑temperature processing used in industrial OPV lines.

  • HeiQ Xpectra | Transparent multispectral coating platform

    HeiQ Xpectra develops materials that reflect, block, or let through specific parts of the light spectrum and heat, helping manage signature, energy and temperature.
    HeiQ Xpectra introduces a material‑based approach to managing light and thermal radiation through precise spectral emissivity control. Instead of relying on mechanical systems or external energy input, the technology focuses on how materials interact with different wavelengths of light in VIS/NIR/MWIR/LWIR/EM.This approach opens up new ways to think about thermal signature concealment, energy use, thermal comfort, and system efficiency in built and controlled environments, depending on application design and operating conditions.
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    HeiQ Xpectra heat reflection
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