Organic photovoltaics are solar cells that use carbon-based semiconducting molecules or polymers to absorb light and generate electricity. Unlike conventional inorganic photovoltaics, organic photovoltaics can be lightweight, flexible, semi-transparent, color-tunable, and compatible with printing or coating methods. Their performance is governed by molecular design, donor-acceptor blends, nanoscale morphology, exciton separation, charge transport, interfaces, and device encapsulation.
Organic photovoltaics matter because they offer solar-energy formats suited to building integration, portable power, indoor energy harvesting, wearables, greenhouses, smart windows, and flexible surfaces. Research has advanced through non-fullerene acceptors, tandem architectures, morphology control, interfacial layers, and improved stability. Key challenges include lifetime, efficiency under real operating conditions, solvent processing, reproducibility, and scale-up. The field connects closely to organic electronics, printed electronics, and solar cells.
Conferences on organic photovoltaics appear in photovoltaics, materials science, chemistry, nanotechnology, energy, and flexible electronics programs. Sessions often cover organic semiconductors, morphology, stability, coating methods, indoor photovoltaics, and device physics. Tracking organic-photovoltaic events helps researchers follow a field where molecular engineering and scalable processing shape new solar applications.
To learn more, read our detailed glossary article on organic photovoltaics.