Printable high efficiency flexible and Free design OPV modules for indoor application
SADOK BEN DKHIL a, Florent Pourcin a, Donia Fredj a, Elena Barulina a, Olivier Margeat b, Christine Vidélot Ackermann b, Jörg Ackermann b, Jérome Vernet a, Brice Cruchon a, Pascal Pierron a
a Dracula Technologies, Valence, France
b CINaM, CNRS, Aix Marseille University, Marseille, France
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV19)
Roma, Italy, 2019 May 12th - 15th
Organizers: Prashant Kamat, Filippo De Angelis and Aldo Di Carlo
Oral, SADOK BEN DKHIL, presentation 111
Publication date: 11th February 2019

Over the last decade, organic solar cells (OSCs) have become a promising technology for next generation solar cells combining novel properties such as light weight, flexibility, or color design with large-scale manufacturing with low environmental impact. However, the main challenge for OSC will be the transfer from lab-scale processes to large-area industrial solar cell fabrication. High efficiencies in the field of OSCs are mainly achieved for devices fabricated under inert atmosphere using small active areas, typically below 0.2 cm2. So far, a small lab scale devices have now reached performances above 17% [1].

In this light, inkjet printed organic solar cells and modules with large area were demonstrated. Inkjet printing allows direct patterning of four layers, including the top electrode, offering full freedom of design without the use of masks or structuring by hardware. Inkjet printed large area (>1 cm2) organic solar cells with power conversion efficiency exceeding 6.5 % deposited from environmentally friendly solvents in an air atmosphere are demonstrated using the same printer. To prove the great advantage of inkjet printing as a digital technology allowing freedom of forms and designs, large area organic modules with different artistic shapes were demonstrated
keeping high performance.

The good module performance at low illumination make our OPV modules good candidates for indoor applications, field in full expansion thanks to the Internet of Things (IoT).

Reported results confirm that inkjet printing has high potential for the processing of OPV, allowing quick changes in design as well as the materials.

 

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