Publication date: 15th December 2025
Hybrid inorganic-organic perovskites are among the most sought-after materials for a diverse range of applications, including solar cells, X-ray scintillators, light-emitting diodes, electrochromic devices, photodetectors, sensors and photocatalysts. Owing to exponential growth in 5G and IoT technologies, the need for integrable and efficient energy conversion devices is increasing. This allows the use of piezoelectric nanogenerators (PENGs) as smart, wireless, portable electronic systems and sensors. The devices leverage the piezoelectric properties of perovskite materials to convert mechanical stimuli into electrical signals. In this presentation, we show that the α–FAPbI3 (perovskite phase) can be stabilized at room temperature, employing polymer additive engineering to form the FAPbI3–Polymer composite. By employing excess halide (AX) alongside a polyvinylidene difluoride (PVDF) host, both surface passivation and spatial confinement occur during co-crystallization. Investigations on the interactions between the -CF2 dipole of PVDF, the coordination-unsaturated Pb2+ defects, and the passivation of the shallow halogen vacancies[20] in perovskites without disrupting their crystallisation. The co-crystallisation of electroactive polymers in conjunction with low-dimensional metal halides is a promising approach to co-passivate, quantum-confine, and spatially trap excitons, leading to a composite material system with ultra-bright luminescence, near unity PLQY, and significantly reduced thermal quenching. The free-standing film remains stable even after a year under ambient room conditions. Along with this, we show that using lead free alternatives, the polymer composites can be used to make self-powered sensors.
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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.
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