Modules
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Italian scientists build glass-free flexible silicon PV modules via roll-to-roll
Researchers have developed a glass-free flexible crystalline-silicon module architecture based on commercial IBC cells and a PET/EVA stack manufactured via roll-to-roll hot lamination. The 2 × 2 mini-module retained 96.12% of its initial efficiency after 672 hours of outdoor testing at a fixed bending radius of 150 mm.
Aug 26, 2026
Silver prices rebound as AI, data centers add to industrial demand
Silver prices have resumed their upward trend amid a broader precious-metals rally, while the market heads toward a sixth consecutive annual structural deficit. Growing demand from AI, data centers and electrification is emerging alongside photovoltaics as an increasingly important driver of silver consumption.
New temperature model improves floating PV performance predictions
Researchers in Malaysia have developed a simplified operating cell temperature model for floating photovoltaic (FPV) systems that incorporates water temperature while remaining compatible with existing nominal operating cell temperature (NOCT) models. The FPV-NOCT model outperformed the standard NOCT approach in validation datasets from Brazil and California, achieving up to 92.3% prediction accuracy.
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Very-low-bandgap thermophotovoltaics for operation at higher temperatures
French researchers have developed very-low-bandgap thermophotovoltaic cells with a barrier structure designed to suppress dark current and enable operation at higher temperatures. The cells showed more than tenfold improved performance over conventional devices at temperatures above 150 K, with a photovoltaic effect observed up to 273 K.
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Silicon dioxide coating boosts PV module light transmission, thermal performance
An international research team developed a porous silicon dioxide coating for PV cover glass that combines anti-reflection with passive radiative cooling, increasing solar transmittance while enhancing mid-infrared emissivity. The coating achieved 91.0% solar transmittance and 90% emissivity, with the researchers now planning module-level outdoor testing and studies of large-area scalability and durability.
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