Roll-to-Roll Slot-Die Coated Organic Solar Modules for Indoor Applications: An Investigation of Active Layer Thickness
Barbara Miranda a, Luiza Correa a, Gabriela Soares a, Juliana Martins a, Paulo Lopes a, Maria Vilela a, Jair Rodrigues a, Rodrigo Vilaça a, Sergio Castro-Hermosa a, Luana Wouk a, Diego Bagnis a
a CSEM Brasil, Avenida José Cândido da Silveira, 2000, Belo Horizonte, Brazil
Proceedings of Online International Conference on Hybrid and Organic Photovoltaics (OnlineHOPV20)
Online, Spain, 2020 May 26th - 29th
Organizers: Tracey Clarke, James Durrant, Annamaria Petrozza and Trystan Watson
Poster, Barbara Miranda, 136
Publication date: 22nd May 2020
ePoster: 

The recent development of 5G networks makes the internet of things (IoT) applications a key factor in the growing data interconnection. In this context, not only sensors have been required, but also alternative ways to supply them with the self-generated needed energy, which emerges as a fundamental topic. Organic photovoltaics (OPV) are a potential solutions for energy harvesting of low-consumption sensors since they have excellent physical, optical and electrical properties, including lightweight, shape freedom, broad-range absorption spectra, semitransparency, and they are highly efficient even in extremely low-light environments. Here, we report OPV modules optimized for indoor applications fabricated using a totally scalable roll-to-roll (R2R) slot-die coating and screen-printing methods in air, flexible substrates and non-toxic solvents. A comparison between lab scale cells and modules demonstrates the non-correlation of performance in outdoor and indoor lighting and makes clear the need for a dedicated design for low-light applications.

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