Hybrid Cosensitization via Fluorescence Resonance Energy Transfer in Emerging Photovoltaic Technologies

Solar cells offer a sustainable alternative to fossil fuels by converting solar energy into electricity. However, their widespread adoption is constrained by high costs, large area requirements, durability issues, and declining efficiency. Hybrid cosensitized solar cells (HSCs) are an emerging advancement in dye‐sensitized solar cells (DSSCs) technology that harnesses the synergistic effects of multiple sensitizers to broaden light absorption, extend spectral coverage, and significantly boost overall power conversion efficiency (PCE). This review explores hybrid cosensitization strategies for third‐generation photovoltaic devices, focusing on molecular and electronic interactions that enhance light absorption, charge transfer, and device stability. It also highlights recent advances in the molecular engineering of quantum dots (QDs), dyes, perovskites, and nanoparticles to develop antenna materials for hybrid solar cell fabrication. Simultaneously, challenges such as dye and QDs compatibility and scalability are examined. The review suggests that future research should focus on new fluorescent materials, such as perovskites QDs, MXene QDs, carbon based QDs, MOFs, and various nanostructures, to develop efficient, durable, and affordable donor materials for photovoltaic technologies.