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Our New Slot-Die Coating Inks Pave the Way to Efficient Perovskite Solar Cell Manufacturing

October 31st, 2018

Alongside with high performance and long term stability, the development of efficient manufacturing techniques is of utmost importance for successful industrialization of perovskite solar cells.

Our focus at Solaronix has always been making photovoltaics more affordable, by leveraging simple wet deposition techniques as opposed to costly vacuum based evaporation processes.

So far our screen-printing inks have been a good demonstration. With the introduction of our new slot-die coating inks for not less than all the electrode layers found in monolithic perovskite solar cells we are now going a step further:

All of the above inks are now available from our public catalog. Our slot-die coating formulations are easily recognizable by their /DC suffix.

Slot-die coating is certainly the simplest and fastest of all wet deposition techniques, hereby enabling high throughput manufacturing and reducing production costs. It is very well suited for both roll-to-roll and sheet-to-sheet fabrications.

Although slot-die coating has repetitively been mentioned as a desirable production technique in recent papers1 2 3, Solaronix is the first to demonstrate the slot-die coating of the entire monolithic perovskite solar cell structure.

This represents a remarkable achievement towards perovskite solar cell industrialization. Indeed, developing inks forming homogeneous films ranging from a few tens of nanometer to several micron thick has been quite a challenge.

Fortunately, we were not alone in that task. Our slot-die coating inks are the result of a close and extremely fruitful collaboration with the Swiss Federal Laboratories for Materials Science and Technology (EMPA), under the funding of the Swiss Federal Office of Energy (SFOE).

We take the occasion to publicly thank all of the people inside and outside Solaronix who made this feat possible.

  1. Sol. RRL 2017, 1, 1600019, doi:10.1002/solr.201600019 ↩︎
  2. Nature Reviews Materials 2018, 3, 18017, doi:10.1038/natrevmats.2018.17 ↩︎
  3. Chem. Eur. J. 2018, 24, 3083-3100, doi:10.1002/chem.201704507 ↩︎

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