Defect-engineered zinc oxide turns tiny strain into near-infrared light

May 11, 2026 Defect-engineered zinc oxide converts tiny reversible strains into near-infrared light, opening a rare-earth-free path to self-powered optical stress sensing. (Nanowerk Spotlight) Mechanoluminescent materials emit light when mechanical force acts on them. Researchers have demonstrated them in prototype systems for stress mapping, structural health monitoring, and biomedical sensing....

Stevia-based hydrogel improves triboelectric nanogenerator performance

May 11, 2026 Researchers developed a stevia-PVA hydrogel triboelectric nanogenerator with 2-5 times greater mechanical strength and 3-8 times higher electrical output than conventional designs. (Nanowerk News) A research team from South Korea has built a triboelectric nanogenerator using a stevia-infused hydrogel that surpasses existing designs in mechanical strength, electrical...

First separation of interfacial proton transport in ultrathin energy device materials

May 11, 2026 Researchers separated overlapping proton transport at different interfaces in energy materials, enabling accurate interface-specific conductivity evaluation. (Nanowerk News) Understanding how protons move at the interface between polymers and electrode materials is essential for improving fuel cells and related energy devices. However, conventional impedance measurements under inert conditions...

A dynamic molecular sunscreen for perovskite solar cells

May 09, 2026 A photoisomeric molecule called BTTM anchors ions in perovskite solar cells, improving UV stability and raising efficiency from 22.07% to 24.71%. (Nanowerk News) Researchers at Northwestern Polytechnical University and collaborating institutions have reported a molecular additive that protects perovskite solar cells from ultraviolet damage while raising their...

Glucose nanoparticles help CBD cross the blood-brain barrier

May 09, 2026 Glucose-coated nanoparticles carry CBD across the blood-brain barrier, trigger release in inflamed tissue, and reduce neuroinflammatory signs in mice. (Nanowerk Spotlight) Some drugs fail not because they lack biological activity, but because their chemistry makes them difficult to deliver. They may affect the right pathways in cells,...

New molecular design produces bright twisted light in the near infrared

May 08, 2026 New molecular design unlocks high photoluminescence efficiency and improved stability, with potential applications in lasers, bioimaging, and quantum technologies (Nanowerk News) Circularly polarized light is finding uses in technologies ranging from next-generation 3D displays to bioimaging tools that detect signals deep within living tissue. Producing it efficiently...

Nanoparticles that disable drug resistance before delivering chemo eliminate tumors in mice

May 08, 2026 A two-step nanoparticle system first blocks cancer cells' drug-expulsion mechanism, then releases chemotherapy combined with laser-driven heat to destroy resistant tumors. (Nanowerk News) Cancer cells frequently develop the ability to expel anticancer drugs before they can work -- a phenomenon called multidrug resistance (MDR) -- which is...