Publication date: 11th March 2026
Flexible perovskite solar cells (f-PSCs) have recently reached power conversion efficiency (PCE) above 25.09 Although still lagging behind their rigid counterparts on glass, which in very short time have achieved 27% of certified efficiency, the use of flexible substrates opens up to a wide range of applications, from sensors for the Internet of Things, to the retrofitting of existing buildings to improve their energy efficiency (building-applied PV), to space, thanks above all to the high power/to weight ratio generated which is the range of 29.4 W/g compared to 8.31 W/g for amorphous silicon and 0.254 W/g for ultra-thin CdS / CdTe.
In this presentation an overview of the fabrication of flexible perovskite solar cells and modules and of their use in two unconventional environments (indoor wearable and space) will be reported.
In particular, for indoor applications I will report on our studies of combining perovskite solar cells and modules with energy storage systems (supercapacitors) introducing the concept of photocapacitor, a device where the energy photovoltaic (PV) generation and storage systems are combined in a single unit, offering an innovative approach to manage energy supply .
For space applications, I will report on the role of PSC in this emerging field of research, showing our studies related to the resilience of flexible perovskite solar cells to neutrons focussing on the role of the hole transporting layers. In particular, I will show how the substitution of standard spiro-OMeTAD with P3HT-modified and PTAA-modified polymers affects the overall performances of the unencapsulated devices revealing an higher resilieance of the polymer based system respect to spiro-OMeTAD under neutron irradiation.
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International Conference on Hybrid and Organic Photovoltaics
International Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.
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The main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.
The International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.