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Research & Development
Periodic groove glass boosts high-angle light capture for facade PV A research team in China has developed a periodic groove glass structure to improve light capture in facade-mounted PV modules. The proposed design was found to reduce reflection at high incidence angles while maintaining compatibility with large-scale glass manufacturing.
Lior Kahana
2 hours ago
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Technology & Products
Fraunhofer CSP develops ultrathin glass-glass PV modules strengthened by special coating A new glass coating technology developed by Exxosqel and Fraunhofer CSP could enable thinner, lighter PV modules by improving glass strength and reducing material use.
Emiliano Bellini
Jul 20, 2026
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Technology & Products
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Autowell showcases latest PV and energy storage solutions at The smarter E 2026 Johnny Wang, International Sales Deputy General Manager for Autowell (ATW), highlighted multi-cut and multi-busbar (0BB) stringing technology, as well as advanced analytical system in smart manufacturing.
Autowell
Jul 20, 2026
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Research & Development
Tongwei claims record-breaking 93.07% bifaciality factor for 770 W solar module The result, which represents a world record for the bifacial technology, was verified by German certification body TÜV Rheinland.
Emiliano Bellini
Jul 17, 2026
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Research & Development
Scientists build 31%-efficient indium-free tandem perovskite silicon mini-module via reactive plasma deposition Researchers have developed an indium-free perovskite-silicon tandem solar cell using a low-damage reactive plasma deposition process to produce tin oxide layers, achieving certified efficiencies of 33.6% for a small-area device and 31.0% for a mini-module.
Ev Foley
Jul 17, 2026
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Research & Development
Qcells secures TÜV Rheinland certification for perovskite-silicon tandem solar tech The certified devices were manufactured on the company’s German pilot line, building on its record 28.6%-efficient tandem cell and ongoing efforts to scale mass production.
Emiliano Bellini
Jul 16, 2026
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Research & Development
Pilot tests show vertical PV with specular reflectors delivers 51% higher yield FutureVoltaics’ VectHor5 vertical PV system with specular reflectors delivered a 51.4% higher specific yield than a conventional fixed-tilt reference system in a five-month pilot project in Spain. The company says the technology extends daily production hours and improves the economic value of solar generation.
Pilar Sánchez Molina
Jul 15, 2026
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Research & Development
ISC Konstanz study highlights atomic layer deposition as a superior approach for TOPCon UV stability Researchers at ISC Konstanz found that ALD-based aluminum oxide (AlOx) passivation layers provide better UV stability for TOPCon solar cells than PECVD-deposited layers, with thicker AlOx films and a thermally grown SiOx interlayer further improving resistance to UV-induced degradation. Testing laboratory and commercial TOPCon cells showed 2–3% average efficiency losses after high UV exposure, while process variations and layer non-uniformities were identified as key factors influencing long-term UV susceptibility.
Emiliano Bellini
Jul 15, 2026
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Research & Development
Longi sets new world record with 35.5%-efficient perovskite-silicon tandem cell The result was certified by the European Solar Test Installation (ESTI).
Vincent Shaw
Jul 15, 2026