Developing interdigital electrodes for electro-optical applications with aerosol jet printing technique


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Serbest B., Poyraz M. E., Balcı E., Ataşer T., Akın Sönmez N., Özçelik S.

3 rd International Conference on Light and Light-based Technologies , Ankara, Türkiye, 25 - 27 Mayıs 2022, ss.77

  • Yayın Türü: Bildiri / Özet Bildiri
  • Basıldığı Şehir: Ankara
  • Basıldığı Ülke: Türkiye
  • Sayfa Sayıları: ss.77
  • Gazi Üniversitesi Adresli: Evet

Özet

Aerosol Jet Printing (AJP) is emerging technology for manufacturing printed electronics due to its high process speed, low material consumption and neither masking nor vacuuming required. This technique allows to printing lines or curves with different inks on various substrates. Gold, silver, copper, platinum, ruthenate, polyamide, UV acrylics, organic semiconductors, enzymes and proteins can be selected to main substance of inks for developing different applications, including; active and passive electronic components, actuators, sensors with this technique. Process parameters like sheath gas flow, atomizer flow, ink temperature and printing speed affect the printing quality. Therefore, system must be optimized for printing high electrical conductive electrodes. Width, thickness and geometry of interdigital electrodes highly affect the device efficiency. For example, to product high efficiency solar panel needs to qualified metallization process and this technique could allow this [6]. In this study, interdigital electrodes in different geometry were developed and printed on various substrates. Electrodes were printed through ultrasonic atomizer header to Polyimide, PET, Si, Glass and Ge substrates. The widths, thicknesses and electrical resistances of these printed electrodes were measured and compared with each other. Line widths of these electrodes are in the range of 15-80 µm, thicknesses are in the range of 1-2 µm, and electrical resistances are in the range of 0.5 - 0.9 ohms.