bluuebunny/crossref_metadata_2025_split huggingface dataset:
Charge Transfer Control of Emergent Magnetism at SrMnO3/LaMnO3 Interfaces
Authors: Bange Jan Philipp , Roddatis Vladimir , Schüler Leonard , Lyzwa Fryderyk , Keunecke Marius , Lopatin Sergei , Bruchmann‐Bamberg Vitaly , Moshnyaga Vasily 
Published: October 2022

AbstractEmergent phases at the interfaces in strongly correlated oxide heterostructures display novel properties not akin to those of constituting materials. The interfacial ferromagnetism in (LaMnO3)m/(SrMnO3)n (LMO)m/(SMO)n superlattices (SLs) with antiferromagnetic bulk LMO and SMO layers is believed to be a result of the interfacial charge transfer (CT). By using in situ optical ellipsometry, it is demonstrated directly that CT and emergent magnetism in (LMO)m/(SMO)n SLs are controlled by the LMO/SMO thickness ratio, chosen as m/n = 1 and 2. The enhanced CT in SLs with m/n = 2 favors the high‐TC emergent ferromagnetism with TC = 350–360 K, whereas the reduced CT in m/n = 1 SLs suppresses it yielding TC = 300 K. A complex dependence of the saturation magnetization as a function of interface density Λ = (m + n)−1 with minima at Λ = 0.11 (m/n = 2) and Λ = 0.25 (m/n = 1) was observed and rationalized by the competition of ferromagnetic and antiferromagnetic contributions, originating from the volume of LMO and SMO layers as well as from the LMO/SMO interfaces. The role of epitaxy stress and MnO6 octahedral tilts in the emergent magnetic behavior is discussed.
Low‐Temperature Bending Fatigue of MXene/PDMS Flexible Pressure Sensor
Authors: Song Jian‐Yao , Yu Pei‐Lun , Li Jian‐Chang 
Published: October 2022

AbstractThe flexible and wearable Ti3C2 (MXene)‐based sensors are attracting wide attention in various applications owing to high sensitivity and flexibility. However, as a key characteristic, the bending endurance of such sensors under low temperature is yet to be explored. Herein, the flexible MXene/polydimethylsiloxane (PDMS) pressure sensor is fabricated by dip coating, which exhibits good mechanical stability over 10 000 bending cycles above 10 °C. When the temperature decreases to −40 °C, a terrible deterioration of bending endurance is observed. The finite element analysis results and theoretical calculation suggest that the accelerated rupture of van der Waals (VDW) interactions between MXene nanosheets and that at the MXene/PDMS interface is responsible for such observation. At temperature above 10 °C, owing to the absorption of strain energy by PDMS, the rupture rate of VDW forces is relatively low. However, the decrease of temperature leads to the reduce of the strain energy stored in PDMS and thus accelerates the rupture of VDW interactions, which significantly deteriorates the bending endurance for the sensor.
Twist Angle Effects on the Absorbance, Carrier Lifetime, and Diffusion Properties in Low Dimension Type‐II MoS2/WS2 Heterobilayers
Authors: Tebyetekerwa Mike , Truong Thien N. , Yan Wei , Tang Cheng , Wibowo Ary Anggara , Bullock James , Du Aijun , Yan Cheng , Macdonald Daniel , Nguyen Hieu T. 
Published: October 2022

AbstractAtomically thin two‐dimensional (2D) transition metal dichalcogenides (TMDs) are promising materials for photovoltaic (PV) applications. Their self‐terminated nature and strong absorption characteristics introduce an unprecedented possibility for high voltages to bandgap ratios, with secondary benefits including the potential for high internal quantum efficiencies/low recombination and strong absorption coefficients coupled with stability in a range of environments. However, despite the promise of such material systems, their PV performances still lag behind the conventional 3D materials. In principle, one possible way to manipulate the behavior of a 2D heterobilayer structure is to change its interlayer twist angle. In this study, the effects of twist angle between vertically stacked type‐II MoS2/WS2 heterobilayers on fundamental optical properties such as light absorbance, excess carrier lifetime, and diffusion are reported. These properties can have a direct effect on the final PV performance of these heterobilayers. It is found that the interlayer twist in MoS2/WS2 heterobilayers does not affect their absorbance. However, the carrier lifetime and photon emission across the heterobilayers are modulated with the interlayer twist. These findings could be useful to facilitate the optimization of monolayer TMD‐based optoelectronic devices.
Li/Ag Co‐Doping Synergistically Boosts the Efficiency of Kesterite Solar Cells Through Effective SnZn Defect Passivation
Authors: Liu Yao , Hu Chenyang , Qi Yafang , Zhou Wenhui , Kou Dongxing , Zhou Zhengji , Han Litao , Meng Yuena , Yuan Shengjie , Wu Sixin 
Published: October 2022

AbstractDespite the tremendous progress in the efficiency of Cu2ZnSn(S,Se)4 (CZTSSe) photovoltaic devices, open‐circuit voltage (Voc) deficit, mainly related to the SnZn‐related defects in the absorber, still remains one of the key issues that hinders the cell performance. To overcome this hurdle, here a facile synergistic post‐deposition treatment (PDT) strategy in CZTSSe family via AgF‐PDT after LiF‐PDT in the photovoltaic absorber to suppress SnZn defects, and thus, to promote the Voc and power conversion efficiency (PCE), is reported. Furthermore, a mechanism for improving device efficiency of CZTSSe cell is also proposed. The in‐depth investigation results demonstrate that Li/Ag co‐doping reduces the band tailing characteristic, enlarges the depletion region width, and enhances the carrier transport and collection, resulting in a lower bulk and interface recombination. More importantly, Li/Ag co‐doping strategy provides an effective method for SnZn defect passivation, thereby prolonging minority carrier lifetime in the ensuing devices and leading to enhancement in device performance. Correspondingly, the resulting Li/Ag co‐doped device delivers a champion efficiency of 12.58% with an impressive Voc of 507 mV. This work explores an effective strategy to kill the SnZn‐related defects, thereby overcoming the problems associated with the Voc deficit and lower cell efficiency in Kesterite‐based photovoltaic devices.
Opportunities and Challenges of Black Phosphorus for Electrocatalysis and Rechargeable Batteries
Authors: Mei Jun , Liao Ting , Sun Ziqi 
Published: October 2022

AbstractAs an emerging 2D layered material, black phosphorus (BP) has received intensive attention in recent years, particularly in electrocatalysis and rechargeable batteries. With further structural modifications, BP‐based heterostructured composites have exhibited attractive physical and chemical properties regarding to enhanced conductivity, ion transport, and catalysis activity, endowing them as potential candidates for electrochemical ions storage and electro/chemical catalysis. In this perspective, a brief summary is first given on the recent progress of BP and BP‐derived materials in electrocatalysis, such as hydrogen evolution reaction (HER), oxygen evolution reaction (OER), and nitrogen reduction reaction (NRR), and in rechargeable batteries, such as lithium‐ion batteries (LIBs), sodium‐ion batteries (SIBs), and potassium‐ion batteries (PIBs), followed by a critical review on the current opportunities and challenges. It is expected that this class of emerging materials will bring about new potential solutions to address the current energy crisis and inspire researchers to develop more novel materials toward future multifunctional applications.
Interface Trap‐Free, 100% Yield, Wafer‐Scale, Non‐Volatile Optically‐Guided Memory Array from Cumulatively‐Stacked Small Molecules/Fluoropolymer/Copper‐Oxide Nanoparticles Heterostructure
Authors: Kim Seongjae , Seo Juhyung , Park Taehyun , Yoo Hocheon 
Published: October 2022

AbstractOptically‐guided memory devices, with its photo‐response, allow for photodetector and memory functions to be combined in a single device. As a result, the issue of unnecessary signal delay can be alleviated by reducing the metal wire between the photodetector and the memory device, and the function of two different devices can be performed simultaneously, which enables an image recognition system to be miniaturized. With such advantages, optically‐guided memory is therefore considered to be highly promising as a potential key component for next‐generation applications where image detection and processing capabilities are paramount. Here, a wafer‐scale 12 × 12 dinaphtho[2,3‐b:2′,3′‐f]thieno[3,2‐b]thiophene (DNTT)‐based optically‐guided memory transistors (OMT) array with a cumulatively stacked small‐molecules/fluoropolymer/copper‐oxide nanoparticles structure is demonstrated. The proposed OMT is formed in 4 different states depending on the light intensity. Furthermore, read current (IRead) and threshold voltage (Vth) in the programming state (P‐state) of OMT is maintained stably even after 20 days. Based on the optimized DNTT thickness, a wafer‐scale 12 × 12 OMT array is fabricated consisting of 144 devices for text image detection with 100% yield. This study also demonstrates a text image detection with non‐volatile memory characteristics depending on the presence or absence of light irradiation.
Low‐Power Logic‐in‐Memory Complementary Inverter Based on p‐WSe2 and n‐WS2
Authors: Shen Hongzhi , Ren Junwen , Hu Junchao , Liu Zeyi , Chen Yingying , Wen Xinglin , Li Dehui 
Published: October 2022

AbstractTransition metal dichalcogenides have been considered as candidate materials to construct logic‐in‐memory devices for realizing non‐von‐Neumann architecture. Thus, reducing the power consumption is extremely critical for their applications in big data and artificial intelligence. Here, a low‐power logic‐in‐memory device is demonstrated by constructing complementary inverter with p‐WSe2 and n‐WS2 transistors. By engineering the interface states between WSe2 (WS2) and substrate artificially, non‐volatile memory with resistance ratio of 104 and 103 after 500 s are achieved in individual WSe2 and WS2 transistors, respectively. Furthermore, a complementary inverter with a retention time longer than 500 s is realized by connecting p‐WSe2 and n‐WS2 transistors. More importantly, the static operating source‐drain current Ids of this inverter is around 0.5/0.1 nA at low/high resistance states with source‐drain voltage Vds = 5 V, and the hysteresis window is located around 0 V, both of which can reduce the energy consumption dramatically and leads to the low operation power. This work provides a convenient strategy to build a non‐von‐Neumann device toward post‐Moore information processing technology.
Single‐Atom Sn on Tensile‐Strained ZnO Nanosheets for Highly Efficient Conversion of CO2 into Formate
Authors: Zhang Yingzheng , Jang Haeseong , Ge Xin , Zhang Wei , Li Zijian , Hou Liqiang , Zhai Li , Wei Xiaoqian , Wang Zhe , Kim Min Gyu , Liu Shangguo , Qin Qing , Liu Xien , Cho Jaephil 
Published: October 2022

AbstractIn general, commercial ZnO owns the poor selectivity and activity toward electroreduction CO2 to formate. In contrast, the numbers of Sn‐based nanomaterials are reported as excellent electrocatalysts for formate production, however, the metallic Sn is more expensive than Zn. In this study, it is demonstrated that an atomically dispersed Sn on a tensile‐strained ZnO nanosheet (Sn SA/ZnO) shows dramatically improved activity and selectivity for formate production over a wide potential window compared with that of commercial ZnO. Especially, Sn SA/ZnO exhibits 205‐fold mass activity enhancement than the commercial Sn at −1.7 V versus reversible hydrogen electrode normalized with element Sn. The experimental measurements combined with theoretical calculations revealed that Sn SA/ZnO can effectively capture and activate CO2 by its exposed double‐active sites (Sn and O), while the tensile strain on its surface boosts the catalytic selectivity by strengthening the adsorption of the *HCOO intermediate for the electrochemical reduction of CO2 to formate.
Effect of traditional and intensive management on soft red winter wheat yield and profitability
Authors: Peterson Todd , Paul Pierce A. , Lindsey Laura E. 
Published: October 2022

AbstractSome farmers regard wheat (Triticum aestivum L.) as a low‐input crop, whereas other farmers intensively manage wheat with many inputs, such as multiple foliar fungicide applications, S fertilizer, and split applications of N. This research aimed to identify the management practices that improve the yield and profitability of wheat grain and straw. An incomplete factorial omission trial was established at two locations in Ohio [the Western Agricultural Research Station (WARS) and Northwest Agricultural Research Station (NWARS)] during the 2020 and 2021 growing seasons. The tested management practices included a high seeding rate, a high N rate, a split application of N, a spring S application, a fungicide application at Feekes 9, and a fungicide application at Feekes 10.5.1. The treatments were intensive management (IM) (all tested management practices), traditional management (TM) (none of the tested management practices), and treatments consisting of the individual addition of each practice to TM or removal from the IM system. The IM increased grain yield at three of the four site‐years by an average of 0.83 Mg ha−1 but did not increase the partial economic return at any site‐year during this study. Individual treatment effects were rare and inconsistent. These results suggest that although IM can improve grain yield, it failed to do so economically at the grain prices and input costs used in this study. Farmers should use crop scouting techniques and disease forecasting tools to identify wheat fields that are likely to benefit from additional inputs such as fertilizer or foliar fungicide.
Chinese expert consensus on assessment of cognitive impairment in the elderly
Authors: Ni Xiushi , Wu Fang , Song Juan , An Lina , Jiang Qianwen , Bai Tingting , Wang Jianye , Yu Pulin , Zhang Cuntai , Wu Jinhui ,   Geriatrics Branch of the Chinese Medical Association,   Expert Group of the Chinese Expert Consensus on Assessment of Cognitive Impairment in the Elderly
Published: October 2022

AbstractCognitive impairment is a term that refers to the impairment of one or more cognitive domains to varying degrees caused by a variety of reasons. It is under a high prevalence, many risk factors, complex etiology, and great harm to the elderly population. Early screening, diagnosis, and intervention for cognitive impairment in the elderly are of great importance. However, at present, the recognition rate of cognitive impairment for the elderly in China is low, the rate of missed diagnosis is high, and the evaluation is not standardized. This consensus integrates the commonly used cognitive function assessment scales in China and abroad, and aims to popularize the screening of cognitive impairment, standardize the evaluation methods and procedures of cognitive impairment in the elderly, and establish clinical diagnoses, interventions, and follow‐up plans in a timely manner.
Unique three‐component co‐assembly among AIEgen, L‐GSH, and Ag+ for the formation of helical nanowires
Authors: Huang Xiaohuan , Li Junrong , Tang Hong , Guo Miao , Wang Xue , Wang Xiaorong , Wang Xu , Tang Mingliang , Zhang Fusheng , Zhang Yahui , Li Xiaopei , Qing Guangyan 
Published: October 2022

AbstractNature has selected, produced, and evolved numerous molecular architectural motifs over billions of years for particular bio‐functions. During this process, molecular self‐assembly plays a critically important role. Inspired by these delicate assemblies, scientists devote themselves to developing various sophisticated complexes assembled by diverse and numerous structural motifs. By far, most of the examples focus on single‐molecule self‐assembly or co‐assembly between two molecules, seldom works report the co‐assembly among three building blocks due to the substantially increased complexity and decreased controllability. Here we report a novel three‐component co‐assembly among L‐glutathione (L‐GSH), AgNO3, and an aggregation‐induced emission luminogen (AIEgen), namely triphenylamine–pyridinium (abbreviated to TPA‐Py). TPA‐Py, L‐GSH, and Ag+ co‐assemble into numerous long and ordered nanowires with left‐handed helices, which show remarkable AIE properties that can be observed by naked eyes. This effect is only detected in this system, the replacement of TPA‐Py with other AIEgens, L‐GSH with other cysteine derivatives or anions, Ag+ with other metal ions, could not lead to the unique AIE effect, which endows this system with high specificity and controllability. This work provides new insight into the design of biomolecule recognition systems and discloses that ternary co‐assembly could become a facile route to build sophisticated nanobiomaterials.
Regulating Exposed Facets of Metal‐Organic Frameworks for High‐rate Alkaline Aqueous Zinc Batteries
Authors: Yang Shuo , Lv Haiming , Wang Yanbo , Guo Xun , Zhao Lingzhi , Li Hongfei , Zhi Chunyi 
Published: October 2022

AbstractMetal‐organic frameworks (MOFs) have drawn growing attention as promising electrode candidates for rechargeable batteries. However, most studies focus on the direct use of MOF electrodes without any modification. Post‐synthetic modification, a judicious tool to modify targeted properties of MOFs, has been long‐neglected in the field of batteries. Herein, crystal‐facet engineering is proposed to design MOF‐based electrodes with high capacity and fast electrochemical kinetics. We found that a thermally‐modified strategy can regulate the dominant exposed facet of Ni‐based MOF (PFC‐8). With the optimally exposed facets, the battery exhibited admirable rate capability (139.4 mAh g−1 at 2.5 A g−1 and 110.0 mAh g−1 at 30 A g−1) and long‐term stability. Furthermore, density functional theory calculations demonstrate that stronger OH− adsorption behaviors and optimized electronic structures induced by the regulated exposed facets boost the electrochemical performance.
Condensed Osmaquinolines with NIR‐II Absorption Synthesized by Aryl C−H Annulation and Aromatization
Authors: Cui Fei‐Hu , Li Qian , Gao Le‐Han , Ruan Kaidong , Ma Kexin , Chen Siyuan , Lu Zhengyu , Fei Jiawei , Lin Yu‐Mei , Xia Haiping 
Published: October 2022

AbstractThe structural design and tuning of properties of metallaaromatics are crucial in materials and energy science. Herein, we describe the rapid synthesis of tetracyclic metallaaromatics containing quinoline and pentalene motifs fused by a metal‐bridged fragment. These unique compounds display remarkably broad absorption, enabling for the first time the absorption of metallaaromatics to reach the second near‐infrared (NIR‐II) bio‐window. The formation of osmaquinoline unit involves an unconventional C(sp2)−C(sp3) coupling promoted by AgBF4to achieve [3+3] cycloaddition. The introduction of cyclicdπ‐pπconjugation and extension of the aromatic π‐framework can effectively shrink the HOMO–LUMO gap, thus broadening the absorption window. The considerable photothermal conversion efficiency (PCE) in both the NIR‐I and NIR‐II windows, the high photothermal stability and the excellent electrochemical behavior suggest many potential applications of these condensed metallaquinolines.
Nitrene‐Mediated C−H Oxygenation: Catalytic Enantioselective Formation of Five‐Membered Cyclic Organic Carbonates
Authors: Nie Xin , Ye Chen‐Xi , Ivlev Sergei I. , Meggers Eric 
Published: October 2022

AbstractThe synthesis of non‐racemic 5‐membered cyclic carbonates from abundant alcohols is reported. Conversion of the alcohol into an azanyl carbonate is followed by a chiral‐at‐ruthenium catalyzed cyclization to provide chiral cyclic carbonates in yields of up to 95 % and with up to 99 % ee. This new synthetic method is proposed to proceed through a nitrene‐mediated intramolecular C(sp3)−H oxygenation which includes an unusual 1,7‐hydrogen atom transfer within a ruthenium nitrene intermediate. The method is applicable to the synthesis of non‐racemic chiral mono‐, di‐ and trisubstituted cyclic alkylene carbonates.
Supramolecular Assembly of Organoplatinum(II) Complexes for Subcellular Distribution and Cell Viability Monitoring with Differentiated Imaging
Authors: Li Baoning , Wang Yaping , Chan Michael Ho‐Yeung , Pan Mei , Li Yonguang , Yam Vivian Wing‐Wah 
Published: October 2022

AbstractThe ability to precisely control the subcellular distribution of luminous materials presents unprecedented advantages for understanding cell biology and disease therapy. We introduce a luminescence tool for subcellular distribution imaging and differentiation of live and dead cells, utilizing cationic organoplatinum(II) complexes that exhibit well‐defined monomeric to aggregate nanostructures along with concentration‐dependent switchable luminescence from green to red due to assembly via PtII⋅⋅⋅PtII and π–π stacking interactions. One of the complexes was chosen to demonstrate the unique lysosome‐to‐nucleus subcellular re‐distribution and imaging capability in live and dead cells, respectively, which represents the first example to discriminate the subcellular localization of platinum(II) complexes through differential luminescence response. These new findings facilitate the fundamental understanding of self‐assembly behaviors of platinum(II) complexes for potential subcellular detection assays.
A high‐speed, salt‐free, and dyebath‐recyclable circular coloration technology inspired by mussel bionic
Authors: Li Fenghua , Liu Man , Yan Dexiang , Yin Zonggong , Xiao Jiahong , Sun Bin , Shen Yuhong , Gao Tingting , Liu Qinze , Zhou Guowei 
Published: October 2022

AbstractWith the current situation of high‐energy consumption and high pollution in the textile industry, developing an eco‐friendly and universal dyeing technology is urgently required. Towards this goal, in this study, the dyeing technology with room temperature, salt‐free, zero release, and rapid cycle dyeing for 20 min was realized using a polymer of catechol and polyethyleneimine as a dye. The dyed fabrics exhibited washing, rubbing, and perspiration fastness characteristics for practical needs, mainly attributing to the hydrogen bonding and π–π interaction between the dye molecules and the fabrics. Benefiting from the unique dyeing technology, the dyed fabrics show excellent leveling properties and adjustable chromaticity. Importantly, the mussel‐inspired coating strategies are universally applicable, so the dyeing technology can be applied to various fabrics. Consequently, the environmentally friendly dyeing process based on low‐cost catecholamine polymers as a dye will have a broad application prospect in the printing and dyeing industry. Moreover, the antibacterial tests showed that dyed cotton cloth, mulberry silk, and polyester fabrics all have favorable antibacterial properties, especially dyed mulberry silk fabrics have a greater than 90% bacterial reduction rate for both Escherichia coli and Staphylococcus aureus.