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| CODEX / NEWSLETTER BLOG #17 / DÉCEMBRE 2019 |
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| Big improvements in thin-film solar cell efficiency now possible |
Researchers at Penn State and Delaware have developed a theoretical method to improve the efficiency of thin-film solar cells by up to 33 percent.
Flexible thin-film solar cells are needed to supply electrical power to fabrics, clothing, back packs and anywhere that a local autonomous power supply is required.
Rooftop solar based on silicon has made solar energy cheap and readily available. But silicon is rigid and heavy, suitable for large-scale power production but not for portable power. Currently, flexible solar commands around 5 percent of the solar cell market. |
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| Structurally designed DNA star creates ultra-sensitive test for dengue virus |
| By folding snippets of DNA into the shape of a five-pointed star using structural DNA nanotechnology, researchers have created a trap that captures Dengue virus as it floats in the bloodstream. Once sprung, the trap – which is non-toxic and is naturally cleared from the body – lights up. It’s the most sensitive test for the mosquito-borne diseases yet devised. |
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| Epitaxially-grown molybdenum oxide advances as a bulk-like 2D dielectric layer |
| Since the successful isolation of graphene from bulk graphite, remarkable properties of graphene have attracted many scientists to the brand-new research field of 2D materials. However, despite excellent carrier mobility of graphene, direct application of graphene to field-effect transistors is severely hindered due to its gapless band structure. |
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| NIST-led team develops tiny low-energy device to rapidly reroute light in computer chips |
| The switch’s record-breaking performance is a major new step toward building a computer that uses light instead of electricity to process information. |
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| New Solar Cells Inspired By Insect Eyes |
| In a new study, the Stanford team used the insect-inspired design to protect a fragile photovoltaic material called perovskite from deteriorating when exposed to heat, moisture or mechanical stress. The results are published in the journal Energy & Environmental Science (E&ES). |
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| NEWS / L'ACTUALITÉ DE CODEX INTERNATIONAL |
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| Codex International et le Crismat concluent un projet collaboratif de recherche industrielle « CIBOX » pour améliorer la performance et la fiabilité des dépôts de couches minces par pulvérisation cathodique. |
| Au cœur des enjeux technologiques et environnementaux de demain sur les matériaux durables et intelligents, l’élaboration de couches minces nécessite une fiabilisation du process industriel de fabrication des cibles de pulvérisation d’oxyde afin de garantir précision et performance des propriétés attendues. |
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