Researchers have developed high-member low-dimensional Sn-based perovskite solar cells using phenethylammonium thiocyanate, which improves their efficiency and reduces bimolecular recombination rates. The new structure has a higher crystal quality, leading to enhanced power conversion efficiency.
A recent study found that global warming is contributing to an increase in ozone pollution, particularly in regions prone to air pollution. High downward surface solar radiation is inducing extra biogenic emissions, leading to longer-lasting ozone events and exceeding World Health Organization guidelines.
Researchers overview recent developments in carbon-based non-noble metal single-atom catalysts (NPM-SACs) for electrocatalytic field, highlighting their low cost and high performance. The team summarizes strategies to optimize NPM-SACs' micro-environment and discusses advances in developing NPM-SACs for various electrochemical reactions.
The study confirms mid-Tertiary uplifting of the NE Tibetan plateau, with surface uplift and broad planation in the Hoh Xil and West Qinling regions. Small-scale edge-driven mantle convection is proposed as a mechanism for this process.
The study reveals that nitrogen input stimulates plant primary productivity but decreases microbial activities, while carbon input increases nitrogen fixation and mineralization. This dynamic adjustment of carbon and nitrogen cycles has important implications for modeling ecosystem carbon sequestration under global change.
Researchers developed DEtail-seq, a novel technique for meiotic DNA double-strand break (DSB) profiling. The method provides high resolution at or near single nucleotide level, revealing novel features of meiotic DSBs in various species.
Researchers propose a new mechanism for solid-gas carbonate formation during Martian dust activities, which could remove significant quantities of CO2 from the atmosphere and store it over geological timescales.
Researchers develop an in situ FTIRS CO-probe strategy to evaluate the surface d-band center shift of Pt-based electrocatalysts. The study improves the selectivity towards ethanol oxidation reaction and provides a universal CV peaks differentiation method.
Researchers found interdecadal variability of solar radiation impacted strong Meiyu events, particularly in the Yangtze River. The study analyzed historical data and simulations, revealing a correlation between strong solar radiation and higher frequency of strong Meiyu events.
Researchers employ defect engineering to improve nitrogen reduction and oxidation reactions, enhancing catalyst activity and stability. The study predicts future trends in defect engineering and nitrogen cycling.
Researchers developed intelligent metasurface robotics that provides real-time and full-context awareness of its operating indoor environment. This resolves limitations of conventional robotics, including limited field of view and sensitivity to skin color.
Researchers develop innovative strategy to fabricate monolithically integrated micro-supercapacitors with high areal capacitance, volumetric capacitance, and stable performance. The devices achieve record areal output voltage and high systemic performance for powering miniaturized electronics.
Excessive vitellogenin accumulation impairs lysosomal function in germline tissues, leading to reproductive arrest and oocyte quality maintenance. Improvement of lysosomal function is proposed as a potential approach for mid-life intervention in maintaining reproductive health.
The study identifies challenges in ensuring crop monitoring data reliability, including the lack of standard categorized methods for assessing crop conditions. A novel method using artificial intelligence and computer vision has been developed to collect field yield data, reducing labor intensity and costs.
A new model explains how social media discussions and major events distract from news on COVID-19, leading to increased infection rates in the US. The study found that events like Donald Trump's online agenda setting and the 2020 Presidential Election worsened the outbreak.
The Pangu drug model uses a novel graph-to-sequence structure to learn the relationship between chemical structures and formula strings. After pre-training on 1.7 billion druglike molecules, it achieved state-of-the-art results in 20 drug discovery tasks, including molecular property prediction and optimization.
Researchers generate blastocyst-like structures with high efficiency using spliceosome-repressed mouse totipotent blastomere-like cells. The new cell line shows promising results for synthetic embryo development.
Researchers have developed a new energy technology that promotes fast charge transport, mitigates heterogeneous reactions, and extends cycle life in thick solid-state electrodes. The proposed strategy involves a tortuosity-gradient thick electrode, which achieves a balance between ion transport and reaction rates.
The proposed algorithm improves traditional DHR architecture by introducing historical credibility and dissimilarity concepts. It achieves higher system reliability by selecting executors with high credibility and dissimilarity as service executors.
Researchers validate and optimize gravity model in megacity region, finding hierarchical structure of inter-city mobility and differences in travel purposes. The study uses mobile phone trajectory big data to calculate gravity model parameters for different travel purposes.
Researchers identify key triggers and active-site theories for dynamic evolution of copper-based catalysts. Strategies for optimizing catalyst performance, including electronic structure tuning and controlling external potential, are discussed.
The study found that Cu0-Cu+ active sites exhibit excellent performance in selective furfuryl alcohol production from furfural. The DFT calculation revealed that Cu+ accelerates the second-step hydrogenation process, while Cu0 reduces the energy barrier for desorption of furfuryl alcohol.
Recent research has shed light on the prolonged La Niña events in the tropical Pacific, which have significant implications for global weather and climate. The study found that the sea surface temperature evolution is determined by a competition between local and remote effects due to subsurface thermal anomalies.
Researchers developed a regional vegetation mapping method based on terrain-climate-remote sensing information to study the impact of climate change on vegetation. The method achieved an overall accuracy of 89.5% and provided high-resolution data for long-term studies.
Researchers analyzed lake sediments to track changes in Tibetan religious activities over the past millennium, identifying three periods of enhanced activity during the mid-Ming Dynasty, late Qing Dynasty, and Republic of China. The study suggests that regional religious practices have a significant impact on ecological environments.
Researchers have developed 2D ultrathin MOL nanosheets for enhanced catalysis, gas separation, and sensing. Active centers on the surface facilitate interaction with substrate molecules.
Researchers propose a novel strategy for producing encrypted messages recyclable using four kinds of self-healable photoswitchable fluorescent polymers. These polymers display rapid photoresponsiveness, high contrast fluorescence switching, and excellent mechanical properties.
This study demonstrates that spraying a compound probiotic fermented liquid into the living environment of piglets can improve their growth performance and immunity. The treatment also modulates the piglets' gut microbiota structure and diversity, increasing the abundance of beneficial bacteria and decreasing Escherichia coli.
Researchers have identified a novel form of ferroptosis triggered by labile iron, distinct from canonical ferroptosis. Mitochondria play a central role in this process, which involves unique gene expression profiles and can be observed in liver tissue subjected to acute iron overload.
The study demonstrates a new approach to boost molecular diffusion by constructing hierarchical Murray zeolites, which exhibit highly ordered and fully interconnected macro-meso-microporous structures. This leads to improved mass transfer of bulky molecules, resulting in enhanced catalytic performance.
Researchers discovered that poly-β-hydroxybutyrate enhances the differentiation of sulfomucin, a key protein in treating diarrhea and colitis. PHB facilitates Lactobacillus johnsonii biofilm formation, promoting probiotic proliferation and alleviating inflammation.
Researchers propose a new method to investigate many-body correlations in quantum systems by ramping physical parameters. The new non-adiabatic linear response theory reveals different correlated behaviors in regimes of superfluid, Mott insulators, and quantum critical regions.
Researchers probed critical behavior of ferromagnetic honeycomb lattice using sSQUID microscopy, revealing frustrated ferromagnetic phase transition in AB-stacked bilayer. The study demonstrates susceptometry's potential for studying spin frustration in 2D materials.
Researchers developed a new organic solar cell material with reduced energetic disorder, leading to improved performance and lower material costs. The non-fused-ring design enables more uniform surface electrostatic potential distribution and smaller intermolecular interactions, reducing non-radiative energy loss.
A novel scheme uses deep reinforcement learning to optimize mode selection and resource allocation in NAFD systems. The proposed scheme improves system performance and adapts to changing user demands, while reducing the cost of collaboration between APs and slices.
The study proposes a bifunctional sulfonated covalent polymer interlayer to regulate Zn2+ desolvation, improving solid-electrolyte interphase formation and orienting crystal planes. High CE values (>96%) and stable performance are achieved in Zn||Zn cells.
A recent study found that high seas shipping accounts for one-third of all shipping emissions, with annual CO2-e emissions reaching 211.60 million metric tonnes in 2019. The study suggests implementing tailored carbon mitigation policies in different high seas regions could reduce emissions by up to 54.36 million tonnes.
Research integrates palaeoecology, phylogeography, and species distribution models to investigate oak refugia and post-LGM distribution development. Mountains in northern and central China acted as refugia during the Last Glacial Maximum, with climate being a primary influencing factor on migration.
Researchers have synthesized the first aromatic chloroosmacyclopentatriene featuring a unique M=ClC bond, characterized by a shortest Os–ClC bond distance among the three types of Os–Cl bonds. The compound has been found to exhibit aromatic properties through DFT calculations.
Researchers discover intrinsic faradaic layer on semiconductor surface exhibits bipolarity under illumination, serving as electron and hole transfer mediators in photocatalysis and photoelectrocatalysis. A new descriptor for solid surface structure is introduced, simplifying the understanding of complex interactions.
This study by Prof. Yong-Fei Zheng examines the operation of plate tectonics, focusing on divergent-convergent coupling systems and their impact on material movement and energy transfer at plate margins. It highlights two key processes for the onset of plate tectonics: subduction initiation and lithospheric rifting.
Researchers investigate RRFL's transient state, revealing a continuous growth curve that differentiates its lasing mechanism from conventional lasers. The build-up time is inversely related to pump power, providing a guideline for achieving wideband dynamic sensing.
Researchers found that geminivirus-encoded βC1 protein activates unfolded protein response (UPR) in host plants, inducing nuclear export of bZIP60 and manipulating downstream genes to promote virus infection. This interaction benefits TYLCCNV/TYLCCNB infection by regulating pro-survival factors.
The PBG group proposes a method using reflective photonic crystal slabs to generate high-conversion efficiency vortex beams without an alignment center. Their theory predicts conversion efficiencies up to 86% in designed reflection-type generators.
The study examines nutrient changes (N, P, Si) in the Changjiang River, which increases anthropogenically after leaving the Tibetan Plateau. The river's nutrient levels are influenced by human activities, with a limited impact from climate variability and reservoirs.
Researchers investigate technologies to interact with the brain at different levels, enabling paralyzed patients to control robotic arms and prosthetics. Deep brain regions are heavily involved in basic life functions, and understanding their activities is crucial for clinical applications.
Researchers designed and fabricated a water wave superscattering device based on degeneracy resonance, breaking the single channel scattering limit. The device achieved enhanced water wave scattering using metamaterials, promising applications in marine energy harvesting and coastal protection.
A study from Wuhan University demonstrates an 'exceptional nexus' that exhibits diverging responsivity and ultra-enhanced signal-to-noise ratio, resolving challenges for sensing applications. This finding opens new avenues for ultrasensitive measurements.
A new catalyst system has been developed for selective and efficient urea production. The catalyst features a multi-heterojunction interfacial structure that enhances high performance by minimizing incomplete charge transfer and suppressing by-product reactions.
This study uses high-quality observations and CMIP6 model data to constrain future solar radiation projections in China. The research reveals that clouds and aerosols cause significant biases in projections, resulting in large uncertainties. Constrained results significantly reduce projection uncertainties by about 56%.