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Nordic DSC

  • Published 06/03/2013
On the whole, the Nordic Innovation funded project NORDIC DSC was a success in terms of reaching the tangible objectives of the project. Final results proved a viable commercial future.

A prototype consisting of a 9 cm x 8.5 cm large, flexible and transparent dye-sensitized solar cells (DSC) with photonic crystal was manufactured using industrially viable methods. The device was based on a state of the art type of flexible, transparent and conductive glass substrate.

 

Ambitious and visionary goals reached

The project had ambitious and visionary goals: Based on realistic customer needs, the project aimed at creating a new type of transparent solar cell with different colors and aesthetical appearance for future implementation in building facades.

 

The work content consisted in developing new industrially viable nanomaterials to be used as solar cell components. The work content also included the development of new industrially viable processing methods for such materials.

 

The end goal was the manufacturing of a flexible transparent solar cell containing a novel porous photonic crystal for increased efficiency and aesthetical colour control. As can be seen in the report, all the major goals and key problems in the program were addressed and resolved. Real life testing is currently being done and will be followed up during spring 2013.


Flexible cheap solar cells will be strategically important for integration both in consumer electronics products and building integration. The commercial value of this project is high as it proves the novel concept can be realized and it will spur future productification and commercialization of transparent DSC.

 

Highlights

Below is a condensed list of highlights created during the course of the project.

  • Commercial future was proven based on the final results
  • A prototype consisting of a 9 cm x 8.5 cm large, flexible and transparent DSC with photonic crystal was manufactured using industrially viable methods. The device was based on a state of the art type of flexible, transparent and conductive glass substrate.
  • Inks for industrial screen printing of photonic crystals were created. The inks were screen printed resulting in reproducible photonic crystals with well defined optical properties.
  • Creation of a simulation model that accurately predicts the subjectively percieved transmitted or reflected visual colour of DSC’s with photonic crystals while it simultaneously predicts the conversion efficiency of such devices. In short, this means that designers and building architects in the future, in principle, can use a fully computerized software tool for designing aesthetically appealing DSC-photonic crystal covered building facades that also generate high electrical power.
  • 4 new industrially screen printable high performance seals were introduced and tested.
  • Nanoparticle dispersions for ink-jetting photonic crystals were created. Inkjetting tests were performed with promising results. Well defined single layers were obtained.
  • More than 20 different flexible plastic barrier materials were tested and evaluated for the permeability of water vapour.
  • 2 novel low temperature methods of depositing TiO2 on conducting plastic were developed and tested. Efficiencies between 0.3% and 1.5% were obtained.
  • Interesting features of conductive coatings of graphite/graphene have been observed.
  • 10 scientific publications including 1 master thesis were generated during this project.

 

For further details on these highlights and more, you can download the final report below which includes reports from each participant in the NORDIC DSC project.

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Project participants