|
|
|
题名
|
作者
|
年代
|
出处
|
被引量
|
| 1 | One-step accurate synthesis of shell controllable CoFe2O4 hollow microspheres as high-performance electrode materials in supercapacitor显示文摘多轰炸的 CoFe 2 O 4 有层(1-4 ) 的一个悦耳的数字的空 microspheres 成功地作为一个模板用 cyclodextrin 经由一个灵巧的一步舞方法被综合,由锻烧列在后面。包括壳数字和壳孔,结构的特征被调整合成参数与优秀能力和耐久性生产空范围控制。这是为制作金属氧化物或二金属的金属氧化物的直接、一般的策略有壳的一个悦耳的数字的空 microspheres。 | Zhuo Wang Wei Jia Menglei Jiang Chen Chen Yadong Li | 2016 | Nano Research2016，9，7： | 14 |
| 2 | Baicalein suppresses vasculogenic mimicry through inhibiting RhoA/ROCK expression in lung cancer A549 cell line显示文摘Vasculogenic mimicry(VM)refers to a new tubular network of the blood supply system with abundant extracellular matrix.VM is similar to capillaries but does not involve endothelial cells.As a traditional herbal medicine commonly used in China,baicalein possesses anti-inflammatory and lipoxygenase activities.However,the effects of baicalein on the process of VM formation in nonsmall cell lung cancer(NSCLC)and the underlying mechanisms have remained poorly understood.In this study,baicalein was found to inhibit the viability and motility of A549 cells and induced the breakage of the cytoskeletal actin filament network.In addition,baicalein significantly decreased the formation of VM and downregulated the expressions of VM-associated factors,such as VEcadherin,EphA2,MMP14,MMP2,MIVIP9,PI3K and LAMC2,similar to the effects of ROCK inhibitors.In deed,baicalei n inhibited RhoA/ROCK expression in vitro and in vivo,suggesting the underlying mechanisms of reduced VM formation.Collectively,baicalein suppressed the formation of VM in NSCLC by targeting the RhoA/ROCK signaling pathway,indicating that baicalein might serve as an emerging drug for NSCLC. | Zhe Zhang Li Nong Menglei Chen Xiaoli Gu Weiwei Zhao Minghui Liu Wenwu Cheng | 2020 | Acta Biochimica et Biophysica Sinica2020，52，9： | 5 |
| 3 | Free-standing palladium-nickel alloy wavy nanosheets显示文摘二维的 nanomaterials (2DNMs ) 由于他们的唯一的性质和有希望的应用吸引了增加的注意。不同于有薄片状的结构的 2DNMs,金属 ultrathin 2DNMs 是困难的因为他们趋于形成拥挤不堪的水晶结构,综合并且稳定。大多数报导案例由一金属、异构的 nanostructures 组成。金属合金 2DNMs 的合成很少被报导了。这里,我们报导 PdNi 合金的合成用提高的合作监禁策略的起浪的 nanosheets (WNS ) 。这策略对象 PdCu, PdFe,和甚至 trimetallic PdFeNi 那样的另外的基于 Pd 的合金 WNS 的合成也合适。 | Weng-Chon Cheong Chuhao Liu Menglei Jiang Haohong Duan Dingsheng Wang Chen Chen Yadong Li | 2016 | Nano Research2016，9，8： | 3 |
| 4 | Nature-inspired Cu2O@CoO tree-like architecture for robust storage of sodium显示文摘We report a nature-inspired design of tree-like architecture of cuprous oxide(Cu2O)stem and cobalt oxides(CoO)branch serving as an efficient anode for sodium-ion batteries.The construction of stembranch architectures involves the growth of Cu2O nanorods and the subsequent deposition of CoO nanowires.Due to abundant active sites and full exposure to electrolyte,such a Cu2O@CoO stem-branch architecture demonstrates a robust storage toward Na^+ions,affording a capacity retention of^100%over 300 continuous cycles and a remarkable rate capability of 296 mAh g^-1 at 1 A g^-1.This result clearly shows the potential of nature-inspired materials engineering may find extensive applications in the design of high-performance electrodes for rechargeable batteries. | Zhenzhu Wang Menglei Sun Jiangfeng Ni Liang Li | 2020 | Journal of Materials Science & Technology2020，52，18： | 2 |
| 5 | Serial Interval and Reproductive Number of COVID-19 Among 116 Infector-infectee Pairs—Jingzhou City,Hubei Province,China,2020显示文摘What is already known about this topic?The key epidemiological parameters including serial interval,basic reproductive number(R0),and effective reproductive number(Rt)are crucial for coronavirus disease 2019(COVID-19)control and prevention.Previous studies provided different estimations but were often flawed by some limitations such as insufficient sample size and selection bias.What is added by this report?In this study,a total of 116 infector-infectee pairs meeting strict inclusion criteria were selected for analysis.The mean serial interval of COVID-19 was 5.81 days(standard deviation:3.24).The estimated mean with 95%confidence interval of R0 was 3.39(3.07–3.75)and 2.98(2.62–3.38)using exponential growth(EG)and maximum likelihood(ML)methods,respectively.The Rt in the early phase of the epidemic was above 1 with the peak of 4.43 occurring on January 8,and then showing subsequent declines and approaching 1 on January 24.What are the implications for public health practices?This study supports previous findings that COVID-19 has high transmissibility and that implementing comprehensive measures is effective in controlling the COVID-19 outbreak. | Tian Liu Li Qi Menglei Yao Keqing Tian Maowen Lin Hong Jiang Minmin Zeng Jigui Huang | 2020 | China CDC weekly2020，2，27： | 2 |
| 6 | Effects of Combined Exposure to Formaldehyde and PM2.5 on the Brain of Balb/c Mice Asthma Model显示文摘Epidemiological studies have shown that there is a link between asthma and brain damage,but toxicological studies have not fully confirmed yet,especially the effects of asthma on the brain. In this study,at first,we explore the effects of asthma on the brain through the establishment of an allergic asthma model. Then PM_(2.5),a typical outdoor air pollutant and formaldehyde,a typical indoor air pollutant were selected to be closer to the true environment and find whether there is any synergism between them. In this study,an ovalbumin( OVA)-sensitized mice asthma model was established. 30 male Balb/c mice were randomly divided into 5 groups:( 1) saline control group,( 2) OVA-sensitized group,( 3) OVA-combined with formaldehyde exposure group,( 4) OVA-combined with PM_(2.5) exposure group,( 5) Combination of OVA,formaldehyde and PM_(2.5) exposure group. The mice were inhaled with formaldehyde or/and instilled with PM_(2.5) from day 1 to 18. The mice asthma model was developed by OVA sensitization and challenge. The mice were sensitized with OVA+Al( OH)3( 5 mg OVA and 175 mg Al( OH)3 in 30 m L saline each time) or saline( 30 m L saline each time) by intraperitoneal injection on day 1,7 and 14.This was then followed by an aerosol challenge in 1% OVA( 30 min·d^(-1)) from day 19 to 25( 7 times) using an ultrasonic nebulizer. On the 26 th day,the organ coefficient of mice brain was counted,then the contents of oxidative stress of mice brain were measured,including reactive oxygen species( ROS),glutathione( GSH) and malondialdehyde( MDA),and the concentrations of NF-κB and interleukin-1β( IL-1β) were detected by using ELISA kits.Detection of interleukin-6( IL-6) was made with immunohistochemical method. Histological assay for brain was also conducted. In our results,all the OVA treated groups showed a significant increase of ROS and a significant decrease of GSH contents when compared with the control group. Except OVA-sensitized group,other OVA treated groups also showed a significant increase of MDA contents when compared with the control group,and MDA contents of OVA-sensitized group showed significant change when compared to the combined exposure group. In ROS and GSH,combined exposure showed some joint effect compared with single exposure. When OVA was applied in combination with formaldehyde and PM_(2.5),NF-κB was activated. And all the OVA treated groups showed increased levels of IL-1β and IL-6 compared with the control group. And the combined exposure showed an aggravated effect when compared with OVA-sensitized group. Histopathological observation of the hippocampus in mice brain clearly showed the difference of eosin( EO) stained neurons in the combined exposure group compared with the control group and OVA-sensitized group. The pyramidal neurons of the mice with allergic asthma exposed to formaldehyde and/or PM_(2.5) had been reduced in number,the cells were swollen and the dendrites had disappeared. Allergic asthma can cause damage to the brain through oxidative stress. Exposure to formaldehyde and PM_(2.5) will increase the damage caused by allergic asthma to the brain,which may be mediated by oxidative stress and NF-κB activation.This promotes the release of the inflammatory factors,resulting in increased inflammation. | Andrea Stojkoska Song Jing Kang Jun Liu Xudong Shuai Menglei Li Yong Zhao Liang Yang Xu | 2018 | 生态毒理学报2018，13，6： | 1 |
| 7 | CdSe-sensitized TiO 2 nanotube array film fabricated by ultrasonic-assisted electrochemical deposition and subsequently wrapped with TiO 2 thin layer for the visible light photoelectrocatalysis显示文摘 | Jianglin Ouyang Menglei Chang Yuyuan Zhang Xinjun Li | 2011 | Thin Solid Films2011，，7： | 1 |
| 8 | Application of materials based on group VB elements in sodium-ion batteries:A review显示文摘Owing to their high redox activity, abundant resource, and low cost, compounds based on group VB elements(V, Nb, and Ta) are promising electrode materials for an array of energy storage devices. Moreover,their open structure benefits transportation and accommodation of alkali Na+ions, rending them particularly appealing for cost-effective sodium-ion batteries(SIBs). In the last decade, these materials have evoked intensive investigations in SIBs, serving as either cathode, anode, or both depending on their sodiation degree and redox potential. Exciting progress has been made, but significant gaps in our knowledge still remain. Their practical application in SIBs remains unclear and thus calls for further efforts to settle several technical challenges in terms of poor conductivity, unstable cycling, and inefficient charge storage. In this perspective, a brief overview is given of recent progress on how to solve these technical issues and envision their bright future in SIBs, which may serve as a source to inspire researches on relevant topics. | Menglei Sun Yu Jiang Jiangfeng Ni Liang Li | 2018 | Journal of Materials Science & Technology2018，34，11： | 1 |
| 9 | Helium Bubble Growth in He^(+) Ions Implanted 304L Stainless Steel Processed by Laser Powder Bed Fusion During Post-Irradiation Annealing at 600℃显示文摘The abundancy of defect sinks in the microstructure of laser powder bed fusion(LPBF) processed austenitic stainless steels was found to be beneficial for helium resistance.In the current study,the influence of the novel microstructure in LPBF processed 304 L on the helium bubble growth behaviour was investigated using transmission electron microscopy in samples implanted with He^(+) ion and post-irradiation annealing treated at 600℃ for 1 h.Two variants of LPBF processed 304 L samples were used,one in as-built condition and the other solution-annealed.The comparison between the two samples indicated that the helium bubble growth was inhibited and remained stable in the as-built sample but coarsened significantly in the solution-annealed sample.The sub-grain boundaries and oxide nano-inclusions acted as defect sinks to trap helium atoms and inhibited the growth of helium bubble in the as-built sample under the post-irradiation annealing conditions used. | Hui Liu Shiling Min Menglei Jiang Fuzhong Chu Ying Li Zhuoer Chen Kai Zhang Juan Hou Aijun Huang | 2022 | Acta Metallurgica Sinica(English Letters)2022，35，9： | 1 |
| 10 | Effects of Diet with'Lianhuang'Additive of Chinese Herb Medicine on Growth Performance and Metabolic Rates of Dietary Nutrients in Donglan Black Chicken显示文摘[Objectives]The study was conducted to evaluate the effects of diet with'Lianhuang'additive of Chinese herbal medicine(LACHM)on growth performance and metabolic rates of dietary nutrients in Donglan black chickens(DBCs).[Methods]80 DBCs aged 1 d were blocked into 4 groups randomly and assigned to 6 replicates in each group with 20 chicks in each replicate.Group A as control group fed basal diet.Groups B,C and D as treatment groups consumed the basal diet added with 0.25%,0.50%and 1.00%of LACHM,respectively during the test period of 70 d.In the end of feeding test,24 DBCs with similar body weight from each group were chosen out and used for a metabolism test to determine the metabolic rates of dietary nutrients from each treatment.The metabolism test was conducted as the same design as the feeding test and the DBCs from each group were fed the same diet as previous test.[Results]The ADG of chickens in the test increased by 5.00%-9.15%(P<0.05)except the stage of 50-70 d,and the individual average body weight(IABW)at 70 d in group B also increased by 4.86%(P<0.05).Compared with group A,the ADG of group C in the stages of 36-49,1-49 and 1-70 d and the IABW in the end of 70 d increased by 5.90%,2.66%,2.68%and 2.57%(P>0.05),respectively.The ADFI in the stage of 36-49 d from group A was 6.04%more than that from group B(P<0.01),and 5.12%and 4.13%more than those from groups C and D(P<0.05),respectively,and the ADFI of group A in the stage of 1-49 d was still 2.86%more than that from group C(P<0.05).However,no differences in ADFI were found in other stages in the test among the 4 groups(P>0.05).The F/G in the stages of 22-35 and 1-70 d from group B was 6.32%and 3.41%lower than those from group A(P<0.05),respectively,and even 11.43%and 7.31%lower in the stages of 36-49 and 1-49 d from group B than those from group A(P<0.01),respectively.The F/G of group C in the stage of 36-49 d was also 10.15%lower than that of group A(P<0.05),and still 5.29%lower than that from group A in 1-49 d(P<0.01),but no differences were found in other stages between the two groups(P>0.05).The metabolic rates of MD,CP,CF,NFE,CA,TE,Ca and P in the 3 treatment diets for group B,C and D all increased to some extent.Among them,the increasing extents of diets with 0.25%and 0.50%of LACHM for groups B and C were much greater.Therefore,the diet with 0.25%of LACHM could improve the growth performance and metabolic rates of dietary nutrients in DBCs significantly.[Conclusions]This study provides a theoretical reference for the effects of traditional Chinese medicine additives on the growth and metabolic rates of DBCs. | Jing YAN Lei QIU Min CHEN Fulin WANG Wenjie LU Menglei LI Cui YANG Jiahuang YANG | 2022 | Agricultural Biotechnology2022，11，3： | 1 |
| 11 | Materials based on group IVA elements for alloying-type sodium storage显示文摘There are five elements in group IVA of the periodic table, i.e., carbon(C), silicon(Si), germanium(Ge), tin(Sn) and lead(Pb),of which Si, Ge, and Sn can be used as alloying-type electrode materials for sodium-ion batteries. Pb is also capable of alloying with sodium, but it is generally ruled out as the cause of toxicity. In recent years, materials based on Si, Ge, and Sn have been intensively exploited as sodium anodes because of their abundant resource and large capacity with reasonable working voltages.However, successful deployment of these anode materials needs to overcome kinetic and thermodynamic issues related to poor electrochemical activity, particle pulverization associated with large volume swelling, and formation of unstable solid-electrolyte interphase. A diversity of material strategies has been employed to address these difficulties, mainly leveraging on the knowledge recently advanced for lithium anodes. This review highlights such issues and provides valuable insights for possible solutions, which serves as a guide and inspiration for future material innovation for rechargeable batteries. | Xiaocui Zhu Menglei Sun Jiangfeng Ni Liang Li | 2018 | Science China Chemistry2018，61，12： | 1 |
| 12 | Effect of MWCNT Inclusion in TiO_2 Nanowire Array Film on the Photoelectrochemical Performance显示文摘Rutile TiO2 nanowire array films with multi-walled carbon nanotube(MWCNT) inclusion perpendicularly grown on fluorine-doped tin oxide(FTO) substrate were prepared by a facile hydrothermal method.The absorption edges of the TiO2 nanowire array films are blue-shifted with increasing MWCNT content.The resistance of the TiO2 nanowire array film is decreased by MWCNT inclusion.The optimum TiO2 /MWCNT molar ratio in the feedstock is 1:0.1.For the TiO2 nanowire array film with MWCNT inclusion served as electrode in dye-sensitized solar cell(DSSC),an overall 194% increase of photoelectric conversion efficiency has been achieved. | Menglei Chang Liangpeng Wu Xinjun Li Wei Xu | 2012 | Journal of Materials Science & Technology2012，28，7： | 0 |
| 13 | Reduced conductivity in sandwich-structured BFT@DA/PVDF flexible nanocomposites for high energy storage density in lower electric field显示文摘The Ba(Fe_(0.5)Ta_(0.5))O_(3)@DA/PVDF flexible composite films with sandwich-structured are prepared by solution-casting method.According to SEM image,the thickness of the composite film is about 15 mm and the each layer is about 5 mm.The sandwich-structured nanocomposite films not only have higher permittivity but also lower AC conductivity.The high permittivity is due to the large permittivity of BFT and the enhanced interface polarization between ceramic particles and polymer matrix.The low AC conductivity is due to the absence of conductive pathways in the PVDF layer.At low electric field strength of 150 MV/m,the energy density of sandwich-structure composite films filled with 1 vol% is 1.93 J/cm^(3).When the breakdown strength is 250 MV/m,the maximum energy storage density is increased to 4.87 J/cm^(3).The sandwich-structure Ba(Fe_(0.5)Ta_(0.5))O_(3)@DA/PVDF flexible composite films with outstanding energy storage properties in lower electric field can be used for wearable devices in the future. | Zhuo Wang Yinbo Li Xiaoying Wang Jiahao Fan Zhihui Yi Menglei Kong Ning Xu | 2020 | Journal of Materiomics2020，6，2： | 0 |
| 14 | Modulating carrier density of the(Ag)_(x)(MoO_(3))_(y)system to enhance SERS:Localized surface plasmon resonance contribution显示文摘Semiconductors typically exhibit long-wavelength LSPR absorption in the infrared region due to lower carrier density.Tuning the carrier density of semiconductors and blue-shifting their LSPR absorption to the visible and near-infrared region has always been a great challenge.Herein,we discussed how the controllable carrier of(Ag)x(MoO_(3))y composite influences the LSPR based on SERS test and UVeViseNIR absorption spectra.We were surprised to find that the LSPR absorption wavelength can be easily tuned from 950 to 735 nm by changing the sputtering power of MoO_(3)of the(Ag)x(MoO_(3))_(y)composite.This shows that LSPR can be precisely adjusted by increasing the semiconductor content and even the carrier density.In addition,the carrier density was measured by Hall effect to investigate the SERS intensity change caused by electromagnetic(EM)enhancement,and obtain the relationship between the two.The findings of this work provide an idea for tunable LSPR and the research of EM contributions to SERS. | Lin Zhu Zhu Mao Peng Li Menglei Xu Zhen Meng Lei Chen Bing Zhao | 2023 | Journal of Materiomics2023，9，2： | 0 |
| 15 | A multi-scale framework for life reduction assessment of turbine blade caused by microstructural degradation显示文摘The prolonged thermal exposure with centrifugal load results in microstructural degradation,which ultimately leads to a reduction in the fatigue and creep resistance of the turbine blades.The present work proposes a multi-scale framework to estimate the life reduction of turbine blades,which combines a microstructural degradation model,a two-phase constitutive model,and a microstructure-dependent fatigue and creep life reduction model.The framework with multi-scale models is validated by a Single Crystal(SC)Ni-based superalloy at the microstructural length-scale and is then applied to calculate the microstructural degradation and the fatigue and creep life reduction of turbine blades under two specific service conditions.The simulation results and quantitative analysis show that the microstructural degradation and fatigue and creep life reduction of the turbine blade are heavily influenced by the variations in the proportion of the intermediate state,namely,the maximum rotor speed status,in the two specific service conditions.The intermediate state accelerates the microstructural degradation and leads to a reduction of the life,especially the effective fatigue life reserve due to the higher temperature and rotational speed than that of the 93%maximum rotor speed status marked as the reference state.The proposed multi-scale framework provides a capable approach to analyze the reduction of the fatigue and creep life for turbine blade induced by microstructural degradation,which can assist to determine a reasonable Time Between Overhaul(TBO)of the engine. | Xiaoguang YANG Menglei WANG Duoqi SHI Zhenlei LI Yongsheng FAN | 2024 | Chinese Journal of Aeronautics2024，37，1： | 0 |
| 16 | miR-424(322)-5p targets Ezh1 to inhibit the proliferation and differentiation of myoblasts显示文摘The proliferation and differentiation of myoblasts are considered the key biological processes in muscle development and muscle-related diseases,in which the miRNAs involved remain incompletely understood.Previous research reported that miR-424(322)-5p is highly expressed in mouse skeletal muscle.Therefore,C2C12 cells are used as a model to clarify the effect of miR-424(322)-5p on the proliferation and differentiation of myoblasts.The data show that miR-424(322)-5p exhibits a decreasing trend upon myogenic differentiation.Overexpression of miR-424(322)-5p inhibits the proliferation of myoblasts,manifested by downregulation of proliferation marker genes(CCNB1,CCND2,and CDK4),decreased percentage of EdU^(+)cells,and reduced cell viability.In contrast,these phenotypes are promoted in myoblasts treated with an inhibitor of miR-424(322)-5p.Interestingly,its gain of function inhibits the expression of myogenic regulators,including MyoD,MyoG,MyHC,and Myf5.Additionally,immunofluorescence staining of MyHC and MyoD shows that overexpression of miR-424(322)-5p reduces the number of myotubes and decreases the myotube fusion index.Consistently,inhibition of its function mediated by an inhibitor promotes the expressions of myogenic markers and myotube fusion.Mechanistically,gene prediction and dual-luciferase reporter experiments confirm that enhancer of zeste homolog 1(Ezh1)is one of the targets of miR-424(322)-5p.Furthermore,knockdown of Ezh1 inhibits the proliferation and differentiation of myoblasts.Compared with NC and inhibitor treatment,inhibitor+si-EZH1 treatment rescues the phenotypes of proliferation and differentiation mediated by the miR-424(322)-5p inhibitor.Taken together,these data indicate that miR-424(322)-5p targets Ezh1 to negatively regulate the proliferation and differentiation of myoblasts. | Yongqi Yue Xinxin Feng Yige Jia Shujie Luo Menglei Jiang Jiandan Luo Yonglin Hua Jiyue Zhang Yaqiu Lin Jian Li Yan Xiong | 2023 | Acta Biochimica et Biophysica Sinica2023，55，3： | 0 |
| 17 | A Brief Review on He Ion Irradiation Research of Steel and Iron‑Based Alloys in Nuclear Power Plants显示文摘Nuclear power plays a key role as renewable energy in alleviating the worldwide energy shortage.The material degradation caused by high-temperature and high-flux neutron irradiation is the most concerning issue for nuclear reactor safety.A large number of He atoms produced through the(n,α)transmutation reaction diffuse and migrate in metals and accumulate to form He bubbles because of the extremely low solubility of He atoms in metal materials.The helium bubbles gather at the grain boundary or grain to cause swelling,hardening,embrittlement,and other damages to the in-core structural components.This paper mainly summarizes the research progress on He irradiation in steel and iron-based alloys,including the diffusion and accumulation of He atoms,the nucleation and growth of He bubbles,and the microstructure and macroscopic degradation of material performance caused by He irradiation.The mechanism of helium irradiation-induced corrosion in steel and iron-based alloys in recent years is reviewed as well.Moreover,the investigations on irradiation performance in additive manufactured stainless steels are summarized,and the mechanism of irradiation resistance is prospected. | Siyi Qiu Hui Liu Menglei Jiang Shiling Min Yanlin Gu Qingyan Wang Jing Yang Xuejun Li Zhuoer Chen Juan Hou | 2023 | Acta Metallurgica Sinica(English Letters)2023，36，4： | 0 |
| 18 | Improved thermal conductivity and breakdown strength of PVDF-based composites by improving the dispersion of BN显示文摘In order to adapt to the development of electronic devices,it is necessary to improve the thermal conductivity and breakdown strength of composites.Boron nitride(BN)is an ideal candidate material with high breakdown strength and thermal conductivity.There-fore,the introduction of BN nanosheets into the polyvinylidene fluoride(PVDF)matrix can improve the thermal conductivity and breakdown strength of the composites at the same time.However,BN nanosheets can easily agglomerate in the matrix,which limits the improvement of the properties of the composites.To overcome this difficulty,appropriate water-bath heating was used to improve the fluidity of PVDF.Therefore,the dispersion of the filler is improved.When the volume fraction of BN nanosheets is 3%and the preparation temperature is 45℃,the energy storage density of the compos-ites reached 18.5 J/cm^(3) at 540 kV/mm.At this point,the thermal conductivity was 0.49 W/(m⋅K),3.5 times that of the pure PVDF film. | Yanxin Li Zhuo Wang Menglei Kong Zhihui Yi | 2022 | High Voltage2022，7，3： | 0 |
| 19 | Boosting oxygen evolution reactivity by modulating electronic structure and honeycomb-like architecture in Ni_(2)P/N,P-codoped carbon hybrids显示文摘Oxygen evolution reaction(OER)as the foremost stumbling block to generate cost-effective clean fuels has received extensive attention in recent years.But,it still maintains the challenge to manipulate the geometric and electronic structure during single reaction process under the same conditions.Herein,we report a simple self-template strategy to generate honeycomb-like Ni_(2)P/N,P-C hybrids with preferred electronic architecture.Experiments coupled with theoretical results revealed that the synthesized catalyst has two characteristics:firstly,the unique honeycomb-like morphology not only enables the fully utilization of catalytic active sites but also optimizes the mass/electron transportation pathway,which favor the diffusion of electrolyte to accessible active sites.Secondly,N,P-C substrate,on the one hand,largely contributes the electronic distribution near Fermi level(E_(F))thus boosting its electrical conductivity.On the other hand,the support effect result in the upshift of d-band center and electropositivity of Ni sites,which attenuates the energy barrier for the adsorption of OH~àand the formation of*OOH.In consequence,the optimized Ni_(2)P/N,P-C catalysts feature high electrocatalytic activity towards OER(a low overpotential of 252 m V to achieve10 m A cm^(-2))and 10 h long-term stability,the outstanding performance is comparable to most of transition metal catalysts.This work gives a innovative tactics for contriving original OER electrocatalysts,inspirng deeper understanding of fabricating catalysts by combining theoretical simulation and experiment design. | Menglei Yuan Yu Sun Yong Yang Jingxian Zhang Sobia Dipazir Tongkun Zhao Shuwei Li Yongbing Xie He Zhao Zhanjun Liu Guangjin Zhang | 2021 | Green Energy & Environment2021，6，6： | 0 |
| 20 | High-performance terahertz modulators induced by substrate field in Te-based all-2D heterojunctions显示文摘High-performance active terahertz modulators as the indispensable core components are of great importance for the next generation communication technology.However,they currently suffer from the tradeoff between modulation depth and speed.Here,we introduce two-dimensional(2D)tellurium(Te)nanofilms with the unique structure as a new class of optically controlled terahertz modulators and demonstrate their integrated heterojunctions can successfully improve the device performances to the optimal and applicable levels among the existing all-2D broadband modulators.Further photoresponse measurements confirm the significant impact of the stacking order.We first clarify the direction of the substrate-induced electric field through first-principles calculations and uncover the unusual interaction mechanism in the photoexcited carrier dynamics associated with the charge transfer and interlayer exciton recombination.This advances the fundamental and applicative research of Te nanomaterials in high-performance terahertz optoelectronics. | Pujing Zhang Qihang Liang Qingli Zhou Jinyu Chen Menglei Li Yuwang Deng Wanlin Liang Liangliang Zhang Qinghua Zhang Lin Gu Chen Ge Kui-juan Jin Cunlin Zhang Guozhen Yang | 2024 | Light(Science & Applications)2024，13，3： | 0 |
您所在的机构暂未开通此部分的功能，请联系管理员