Publication date: 17th February 2025
Harvesting indoor light to power electronic devices for the Internet of Things became a potential market to be explored.
In fact, a surge in the number of indoor appliances in various aspects of our daily life was observed making a strong development of the field of internet-of-things (IoT).
In the last few years, organic photovoltaic (OPV) devices are reaching impressive efficiencies (PCE) up to 20 % making them one of the most promising solar technology.
Importantly, OPV devices have exhibited great advantages for indoor applications like high power conversion efficiencies as well as excellent stability under indoor conditions
As a result, Indoor photovoltaic has emerged as an important candidate for powering low consumption devices dedicated for the Internet of Things using in different fields such as electronics, sensing..
The rapid and exciting evolution of the OPV requires diversity in fabrication methods.
Among them, inkjet printing has aroused considerable attention as a printing electronic technology for large-scale printed flexible and stretchable electronics with many advantages. Essentially, Inkjet printing has the advantage to provide freedom of forms and design on various substrates with good reliability, high time efficiency, a low manufacturing cost, low material usage comparing to other deposition techniques. These special characteristics have allowed inkjet to become an enabler of cost-effective attracting the researchers on functional devices such as photovoltaic solar cells (PV). Nevertheless, a number of challenges must be overcome in this technique, including stability of inks to avoid the nozzle clogging, the wetting behavior, compatibility of viscosity, surface tension with printheads. So, herein, in this work, we present all inkjet printed organic photovoltaic cells and modules with high efficiency for indoor application with freedom of shape and design fabricated by Dracula Technologies company.
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