A new theoretical study explains a puzzling infrared signal in perovskite solar materials as a result of carrier-induced photonic resonance, which can mimic molecular events. Measuring dilute nanocrystal solutions may help separate the optical effect from genuine molecular dynamics.
Researchers developed a wearable optoelectronic clip that turns exhaled breath into a clear optical switching signal, enabling touch-free interaction and respiratory health monitoring. The device showed high accuracy in multi-user tests, suggesting its potential for practical applications.
Researchers developed a lean-lithium oxychloride solid electrolyte with high ionic conductivity and tunable properties. The interfacial percolation strategy enabled the creation of a continuous transport network throughout the electrolyte, allowing for efficient lithium-ion migration.
Researchers observe a fully coherent quantum dance between light-induced electronic excitations and crystal lattice vibrations in perovskite nanocrystals. The interaction between excitons and phonons is found to remain well-defined at low temperatures, enabling the evolution of quantum coherence for up to 10 picoseconds.
The study demonstrates a rational precursor design principle for heavy-pnictogen-based III–V nanocrystals, enabling safer and more scalable semiconductor quantum dot synthesis. Metal-amide species play a central role in controlling the reduction of heavy-pnictogen precursors.
Researchers designed a biomimetic triple-network hydrogel inspired by octopus skin, combining rigid photonic ordering with soft polymer networks. The material demonstrated substantial improvements in mechanical strength and structural color response under deformation.
Researchers at Stanford University have successfully combined five metals to form a single, uniform nanocrystal. The discovery could have significant implications for the future of hydrogen fuel and opens a new chapter in the preparation of nanomaterials.
Researchers develop fluoride-engineered perovskite nanocrystal glass for high-efficiency, full-color emission and ultra-high-resolution holographic displays. The glass matrix enables stable and efficient photoluminescence of PNCs, driving the creation of high-quality dynamic displays.
Researchers developed a scalable, eco-friendly method to produce chiral perovskite nanocrystal/ethyl cellulose ink with exceptional stability and processability. The new ink enables the fabrication of flexible, high-performance circularly polarized luminescent films and patterns.
LMU researchers created a tool that combines automated chemical synthesis, high-throughput characterization, and data-driven modeling to control nanocrystal growth. The Synthesizer platform enables precise predictions of material properties, such as color, brightness, or stability, for applications like LEDs, solar cells, and sensors.
Professor Tae-Woo Lee's research group develops hierarchical-shell perovskite nanocrystal technology that simultaneously overcomes the long-standing instability of metal-halide perovskite emitters while achieving record-breaking quantum yield, operational stability, and scalability. This breakthrough paves the way for next-generation v...
A team led by Professor Leo Tianshuo Zhao developed the world's smallest fully printed infrared photodetectors, overcoming silicon-based technology limitations. The innovation uses a nano-printing platform to assemble solution-phase colloidal nanocrystals and create advanced optoelectronic devices.
A team of researchers from Fudan University developed an ultrafast non-volatile memory using a 2D van der Waals heterostructure and metal-nanocrystal storage layer. The device achieves a large memory window, sharp interfaces, and significant endurance, making it suitable for high-speed and robust memory applications.
Researchers have created a molecule that strongly binds to the nanocrystal's surface, slowing down energy leaks and extending the charge separation time. This technique enables more efficient use of light-driven chemical reactions.
Researchers at North Carolina State University unveiled Rainbow, a self-driving laboratory that autonomously discovers high-performance quantum dots. The system combines advanced robotics and AI to conduct up to 1,000 experiments per day, accelerating materials discovery.
Metal-halide-perovskite scintillators have made significant advancements in light yield, timing, flexibility, and multi-energy imaging. These innovations enable ultra-low-dose imaging, sub-nanosecond timing, flexible curved platforms, and stacked scintillators with interlayer optical filters.
Researchers developed a novel nanoconfinement strategy to deliver molecular hydrogen for diabetic bone repair. The innovative implant achieves controlled and sustained H2 release, promoting bone regeneration and neural network formation. This technology addresses key limitations of conventional H2 therapy.
Scientists have developed a holistic understanding of light-driven hydrogen gas production using a nanocrystal-enzyme complex as catalyst. This breakthrough framework can be applied to optimize future light-driven chemical reactions.
The Institute for Nanoscience at NRL hosted its annual proposal planning meeting to foster intellectual curiosity and build connections among researchers, with a focus on building impactful proposals that could lead to breakthroughs. The event showcased successful project outcomes, including publications, patents, and transition efforts.
Researchers at University of Wisconsin-Madison have developed a new approach to restore stainless steel's corrosion resistance using ultrasonic nanocrystal surface modification. By equalizing chromium concentration in depleted regions, the treatment restored corrosion resistance without heat treatment. This breakthrough could lead to m...
Researchers observed and identified the water-induced degradation mechanism of perovskite at the atomic scale, proposing strategies to enhance its stability. Coating nanocrystal surfaces with ligands or hydrophobic polymers slows down degradation rates, providing critical insights into the fundamental stability issues of perovskite.
The study successfully developed a controlled nucleation doping method to induce stable and precise doping in ZnSe semiconductor nanocrystals. This technology eliminates the use of heavy metals, addressing environmental concerns while enabling practical applications for advanced electronic devices.
Scientists have discovered luminescent nanocrystals that can quickly toggle between light and dark states, enabling faster and more efficient computing. This breakthrough could advance artificial intelligence and information technologies by reducing energy consumption and improving data processing.
Researchers developed a tiny device that creates radially polarized photons at room temperature, improving the efficiency of devices using structured light. The breakthrough enables advancements in communication and optical technology, paving the way for new possibilities in secure communication and quantum applications.
ICFO researchers have reported on a post-deposition in situ passivation strategy that improves surface passivation, yielding nanocrystal ink films with enhanced optoelectronic properties. This approach has led to the development of ultrathin solar cells with higher power conversion efficiency than their multi-step deposition counterparts.
Researchers at Seoul National University developed ultra-high efficiency perovskite nanocrystal LEDs by incorporating conjugated molecular multipods to strengthen the lattice and reduce dynamic disorder, leading to improved luminescence efficiency. This achievement is expected to significantly accelerate the commercialization of next-g...
Researchers have identified a new class of semiconductor nanocrystals with bright ground-state excitons, overcoming the dark exciton problem. This discovery could revolutionize the development of highly efficient light-emitting devices and other optoelectronic technologies.
Researchers have successfully developed mercury selenide and cadmium selenide nanocrystals that absorb and emit in the infrared spectrum, retaining desired properties of their parent CdSe nanocrystals. This breakthrough technology has potential to revolutionize molecular probing for imaging in biological systems.
Scientists at Arizona State University develop a new simulation method to predict and guide the self-assembly process, creating tiny, self-assembled crystals with unique optical properties. This breakthrough advances technologies in computer science, materials science, medical diagnostics, and more.
A novel oral amphotericin B formulation, MAT2203, has demonstrated encouraging results in treating invasive mucormycosis. The study showed MAT2203 was as effective as the current standard treatment, LAMB, in extending survival time and improving overall health.
Researchers developed innovative Au@Cu7S4 yolk@shell nanocrystals capable of producing hydrogen when exposed to both visible and NIR light, achieving a peak quantum yield of 9.4% in the visible range and 7.3% in the NIR range for hydrogen production.
A KAIST research team developed an anti-icing film coating technology using gold nanoparticles and cellulose nanocrystals. The film can uniformly pattern gold nanorods in quadrants through simple evaporation, achieving enhanced plasmonic photothermal properties.
Researchers at the University of Minnesota Medical School have successfully tested a new oral antifungal therapy, Lipid Nanocrystal Amphotericin B, against cryptococcal meningitis in HIV-positive individuals. The treatment demonstrated improved survival rates and reduced toxicity compared to conventional intravenous amphotericin B.
Researchers developed a three-metal hybrid catalyst material featuring nickel, palladium, and platinum interfaces to enhance water splitting and hydrogen molecule generation. The new catalyst demonstrated significant stability and high catalytic activity, overcoming challenges of functional interferences.
Dong's research group develops unique nanocrystals that can emit light at room temperature with high efficiencies, targeting scalable quantum communication devices. By customizing the surface lattice of these nanocrystals, they aim to enhance single photon emission properties.
A joint research team from DGIST and Seoul National University developed an imaging platform to study the reaction intermediates in the degradation process of semiconductor nanocrystal quantum dots. They found that cadmium sulfide (CdS) decomposition forms amorphous intermediates, leading to surface structural degradation.
Researchers at The Hebrew University of Jerusalem developed an innovative system of 'artificial molecules' made from two coupled semiconductor nanocrystals, achieving fast and instantaneous color switching. This breakthrough enables new possibilities in displays, lighting, and nanoscale optoelectronic devices with adjustable colors.
Researchers have developed a general methodology to measure light-to-heat conversion efficiency (LHCE) of solid materials. The PEE method simulates laser heating with electric heating and accurately calculates LHCE for various organic and inorganic materials, offering a robust alternative to existing colloidal solutions-based methods.
Researchers at Ulsan National Institute of Science and Technology have made a breakthrough in creating ultra-photostable avalanching nanoparticles that can perform unlimited photoswitching. This achievement has significant implications for fields like optical probes, 3D optical memory, and super-resolution microscopy.
Researchers have developed a fully photostable and photoswitchable nanoparticle that can be controlled indefinitely using near-infrared light. This breakthrough has the potential to revolutionize fields such as optical memory, super-resolution microscopy, and bioimaging.
Researchers at Ritsumeikan University demonstrate quasi-reversible displacement of organic ligands on nanocrystal surfaces under visible light irradiation. This finding opens up new avenues for enhancing the tunability and functionality of inorganic materials with aromatic molecules.
University of Rochester researchers create a groundbreaking system mimicking photosynthesis using bacteria and nanomaterials to produce clean-burning hydrogen fuel. The innovative approach replaces fossil fuels in the process, offering an environmentally friendly alternative.
A sustainable, insoluble, and chiral photonic cellulose nanocrystal patch enables calcium ion (Ca2+) sensing in sweat. The researchers developed a simple method to fabricate CNC-based hydrogels, which exhibit freeze resistance, strong adhesion, good biocompatibility, and high sensitivity to Ca2+.
Chemists from Rice University and the University of Texas at Austin found that increasing charge-acceptor molecules on semiconducting nanocrystals can lead to reduced electron transfer rates in hybrid materials. The study highlights the importance of considering ligand-ligand interactions when designing light-activated nanomaterials fo...
Researchers at Kanazawa University and their international collaborators used 3D-AFM and molecular dynamics simulations to study the surface chemistry and structure of individual cellulose nanocrystal particles. The findings reveal new details on chain arrangements, structural defects, and water molecule arrangement near the CNC surface.
A multi-institution team led by IU chemist Sara Skrabalak has been awarded $1.8 million to establish a research center focused on rapidly identifying and leveraging the unique properties of nanocrystals. The Center for Single-Entity Nanochemistry and Nanocrystal Design aims to transform how researchers think about nanocrystal diversity...
Scientists develop a colloidal synthesis method for alkaline earth chalcogenides, allowing control over nanocrystal size and surface chemistry. This enables the creation of more sustainable and environmentally friendly materials with potential applications in solar panels, LEDs, and bioimaging.
Scientists at KAUST have successfully created a semiconductor material with multiple exciton generation, resulting in a photocurrent quantum efficiency of over 100%. This breakthrough could lead to improved solar cells and light-harvesting applications.
This special issue of Energy Material Advances highlights recent progress in synthesizing and tuning perovskite nanocrystals and other emerging nanocrystal materials. Research focuses on fundamental understanding of doping, synthesis, and spectroscopy, as well as applications in solar cells and light-emitting diodes.
A team of scientists developed a method to generate molecular triplets in colloidal nanocrystals through rapid spin-flip, which can be used for photochemical applications such as photon upconversion and singlet oxygen generation. The study demonstrates the potential of solution-processed semiconductor materials for new fields.
Researchers at the University of Texas at Austin created a new nanocrystal gel that can be easily tuned to work as an optical filter, controlling heating or cooling dynamically. This versatile material has applications for thermal camouflage in defense and telecommunications.
Researchers used energy dispersive diffraction to create high-resolution 3D maps of bioapatite arrangements within shark centra, revealing key structures and their functions. The study provides insights into the structure-function relationship of the shark skeleton and could be applied to other organisms.
The study reveals that manipulating the transition dipole moment of excitons in quantum dots can suppress Auger recombination. By combining with external structures, researchers achieved a new way to control the nonradiative process, potentially leading to improved efficiency of QD-based devices.
Scientists have introduced a new microscope that uses quantum dots to image ultrafast electric waveforms encoded in the visible luminescence of nanocrystal probes. The technique, termed Quantum-Probe Field Microscopy (QFIM), enables the detection of terahertz near-field waveforms by microscopy of visible photons.
Scientists at Technion-Israel Institute of Technology discovered eco-friendly nanocrystal semiconductors that can self-heal after damage. The lead-free perovskites display unique electro-optical characteristics, making them efficient in energy conversion.
Researchers at USTC developed fine cubic Cu2O nanocrystals that exhibit high selectivity for propylene epoxidation with O2 to produce propylene oxide. The mechanism underlying this enhanced catalytic performance was also demonstrated.
Researchers have developed a stable perovskite nanocrystal material for LEDs, enabling bright and long-lasting light sources. The new material is made using a metal-organic framework structure, which keeps the nanocrystals separate and prevents degradation.
Researchers at POSTECH developed a 'core@shell' nanocrystal technology that harnesses interfacial synergy for efficient catalysis. The innovative approach produces high-energy conversion rates and enables remote operation of catalysts, opening doors to various applications in sustainable energy and biotechnology.
Researchers at Nagoya City University have detected strongly entangled pair of protons on a nanocrystalline silicon surface. This breakthrough could enable the creation of more qubits and ultra-fast processing for supercomputing applications, revolutionizing quantum computing.
Researchers demonstrate conversion of infrared images to visible using ultrathin and transparent semiconductor nanocrystals. The proposed metasurface-based IR imaging approach offers novel opportunities for compact night vision instruments and sensor devices.