Ultrafast exciton dissociation mechanism in 2D perovskites
A research group led by Prof. Jin Shengye from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences revealed an ultrafast and high-yield polaronic exciton dissociation mechanism in two-dimensional (2D) perovskites......»»
Ultrafast X-ray spectroscopy: Watching molecules relax in real time
Designing the next generation of efficient energy conversion devices for powering our electronics and heating our homes requires a detailed understanding of how molecules move and vibrate while undergoing light-induced chemical reactions......»»
Switzerland is turning the gap between train tracks into a ‘solar carpet’
A startup called Sun-Ways developed a mechanism that can turn unused space between train tracks into a long and narrow solar farm. Solar power is key to a clean energy future, but many people don’t want large-scale solar farms in their backya.....»»
How plants use sugar to produce roots
Along with sugar reallocation, a basic molecular mechanism within plants controls the formation of new lateral roots. An international team of plant biologists has demonstrated that it is based on the activity of a certain factor, the target of rapam.....»»
Codoping double perovskites for single-component white-light-emitting diodes
A new paper published in Energy Material Advances explores Eu3+-Bi3+ codoping double perovskites for single-component white-light-emitting diodes......»»
Study reveals generation mechanism of radiative effects on novel active optical hyperspectral LiDAR system
Both the geometric and spectral information of the target are available with the hyperspectral light detection and ranging (LiDAR) in a single measurement. This advanced technique extends the scope of imaging spectroscopy to spectral three-dimensiona.....»»
Zerto Cyber Resilience Vault allows users to monitor for encryption-based anomalies
Zerto launched a new real-time encryption detection mechanism and air-gapped recovery vault for enhanced hybrid cloud protection and security against cyber threats. These new features are part of Zerto 10, which includes advanced detection mechanisms.....»»
Uncovering the mechanism of photoexcited nucleobases: Is decay fast or suppressed?
The nucleobase molecules carrying the genetic codes are the most important ingredients for life, but they are also very vulnerable. When the ultraviolet component in the sunlight irradiates these molecules, the electrons in the molecules will be exci.....»»
High-temperature shock synthesis of high-entropy alloy nanoparticles for catalysis
High-temperature shock (HTS) is an emerging synthesis method with kinetics-dominated non-equilibrium characteristics, which can achieve an ultrafast heating/cooling rate of ~105 K/s and a peak temperature larger than ~3000 K within a time scale of se.....»»
High-power, high-energy, all-fiber Mamyshev oscillator
High power/energy ultrafast fiber lasers have broadband applications in material processing, medicine, advanced manufacturing and other fields. Compared with solid-state lasers, fiber lasers have the advantages of compact systems, flexibility, good h.....»»
"Charge density wave" linked to atomic distortions in would-be superconductor
What makes some materials carry current with no resistance? Scientists are trying to unravel the complex characteristics. Harnessing this property, known as superconductivity, could lead to perfectly efficient power lines, ultrafast computers, and a.....»»
Understanding how the "heart" of the plant works may lead to protection from pathogens
Plants, like humans, need to move sugar and other nutrients around their bodies to power their growth. But unlike humans, they do not have a heart to pump these vital nutrients. Instead, they use an amazing molecular pump mechanism that scientists ha.....»»
Chemists unravel reaction mechanism for clean energy catalyst
Hydrogen, the simplest element on Earth, is a clean fuel that could revolutionize the energy industry. Accessing hydrogen, however, is not a simple or clean process at all. Pure hydrogen is extremely rare in nature, and practical methods to produce i.....»»
Researchers discover that various species share a similar mechanism of molecular response to nanoparticles
Researchers at FHAIVE (Finnish Hub for Development and Validation of Integrated Approaches), Tampere University, have discovered a new response mechanism specific to exposure to nanoparticles that is common to multiple species......»»
Electrical control of hybrid exciton transport in a van der Waals heterostructure
EPFL engineers have found a way to control the interactions between excitons—quasiparticles that may one day transport data and replace the electrons in electronic devices. The engineers' method involves applying an electric field to a two-dimensio.....»»
Mechanisms for removal of strong, replication-blocking lesions generated by the human HMCES protein
Researchers at Nagoya University and Osaka University in Japan have found novel repair pathways of apurinic/apyrimidinic (AP) sites of DNA. Repair of the base excision, which repairs AP sites, is an essential mechanism for cell survival. Its dysfunct.....»»
Research team explores the mechanism of tropical expansion under changing climate
Scientific evidence shows that the tropical belt around the middle of the globe is expanding. For years scientists have proposed different mechanisms that might explain this expansion. A team of researchers has now determined that the poleward advanc.....»»
Scientists capture elusive chemical reaction using enhanced X-ray method
Researchers at SLAC National Accelerator Laboratory captured one of the fastest movements of a molecule called ferricyanide for the first time by combining two ultrafast X-ray spectroscopy techniques. They think their approach could help map more com.....»»
Efficient synthesis of indole derivatives, an important component of most drugs, allows the development of new drugs
A research group at Nagoya University in Japan has successfully developed an ultrafast and simple synthetic method for producing indole derivatives. Their findings are expected to make drug production more efficient and increase the range of potentia.....»»
Unraveling the mechanism of green emission peaks in single polyfluorene chains
Molecular aggregates are clusters of small molecules held together by relatively weak forces believed to be originating from electronic interactions between the molecules. Owing to their exceptional photophysical properties, molecular aggregates find.....»»
Gene that confers seed tolerance to salinity identified
Seeds only germinate when a series of internal and environmental needs are met. Otherwise, they get stuck in a state of dormancy. Researchers from the Instituto Gulbenkian de Ciência (IGC) led by Paula Duque just revealed a mechanism that allows pla.....»»