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| 1 | Metal-organic framework derived CoSe2 nanoparticles anchored on carbon fibers as bifunctional electrocatalysts for efficient overall water splitting显示文摘发展有效,便宜,稳定,为切开的水的 non-noble-metal electrocatalysts,特别地能两个都催化氢进化反应的那些(她的) 在在阳极的阴极和氧进化反应(OER ) ,是挑战。我们开发了一个灵巧的方法因为综合从从容容宽敞 2 nanoparticles 一致地在碳纤维纸上抛锚了(经由热分解和 selenization 的从从容容宽敞 2/CF) 在 situ 成年 zeolitic imidazolate framework-67 (ZIF-67 ) 。从从容容宽敞 2/CF 在碱的答案在 HER 和 OER 显示出高、稳定的催化活动。在一个低房间潜力,即, 1.63 V,与二个从从容容宽敞 2/CF 电极装备的水 electrolyzer 给了 10 mAen 的切开水的水流 2007 并且 2014 年 10 月 21 日。我们然后与一个低级术语并且通过临床的描述的一篇详细摘要识别了 PAOD 的盒子。结果我们识别了 POAD 的 25 个盒子。大多数病人比 60 老 ? 年(84 ?%) 或有象血胆脂醇过多那样的另一个心血管的风险因素,钰 ? 钰吗?? | Chencheng Sun Qiuchun Dong Jun Yang Ziyang Dai Jianjian Lin Peng Chen Wei Huang Xiaochen Dong | 2016 | Nano Research2016，9，8： | 16 |
| 2 | MoS_(2) wrapped MOF-derived N-doped carbon nanocomposite with wideband electromagnetic wave absorption显示文摘Designing electromagnetic wave absorption(EMWA)materials with wide bandwidth,strong absorption,and light weight is still a great challenge for practical applications.Herein,the novel nitrogen doped carbon(NDC)/MoS_(2) composite with rationally designed composition and structure was developed.The NDC particles were introduced into MoS_(2) nanosheets through the calcination of ZIF-8 precursor and consequent hydrothermal process.A series of characterizations were carried out to investigate the physical properties of the as-prepared nanocomposites.The NDC particles exhibited the shape of rhombic dodecahedron with the size of about 500 nm,which were decorated on flower-shaped MoS_(2) with the size of about 3μm.With the increasing NDC content,the absorbing properties of NDC/MoS_(2) composites increased firstly and then decreased.The features of NDC/MoS_(2) composite including interconnected porous structure,nitrogen dopant,and appropriate electrical conductivity gave rise to the polarization,multiple reflection,multiple scattering,and impedance matching,resulting in the outstanding EMWA performance.With a filler loading ratio of 30 wt.%,the optimized EMWA property can be achieved when the mass ratio of NDC to MoS_(2) was adjusted to be 1:1.At a coating thickness of 3.0 mm,the effective EMWA bandwidth(<−10 dB)reached 6.08 GHz(8.56–14.64 GHz).These satisfactory achievements provide a way for the reasonable design of high-performance EMWA and new ideas for future research on wideband EMWA. | Juhua Luo Mengna Feng Ziyang Dai Chenye Jiang Wei Yao Naixin Zhai | 2022 | Nano Research2022，15，7： | 8 |
| 3 | Facile one-pot synthesis of NiCo2O4 hollow spheres with controllable number of shells for high-performance supercapacitors显示文摘在这个工作,轰炸单人赛并且双 shelled NiCo 2 O 4 空范围被木糖帮助的一个一个壶 solvothermal 方法在 situ 综合了,由热处理列在后面。作为 supercapacitor 电极材料采用了,双 shelled NiCo 2 空范围展出的 O 4 一个显著特定的电容(1,204.4 F 漠 ? 牰獯桴瑥捩朠潲灵吗? | Jing Guo Zhihui Yin Xiaoxian Zang Ziyang Dai, Yizhou Zhang Wei Huang Xiaochen Dong | 2017 | Nano Research2017，10，2： | 4 |
| 4 | Hierarchically porous carbon derived from natural Porphyra for excellent electromagnetic wave absorption显示文摘A highly efficient absorber with features including lightweight, broad bandwidth, and tunable electromagnetic property still remains challenging for practical applications. Herein, the Porphyra-derived porous carbon(PPC) was fabricated via facile procedures of low-temperature pre-carbonization combined with KOH chemical activation. The composition, microstructure, and electromagnetic wave absorption properties of the samples were elucidated based on X-ray diffraction(XRD), Raman, X-ray photoelectron spectroscopy(XPS), scanning electron microscopy(SEM), transmission electron microscopy(TEM),Brunauer-Emmer-Teller(BET), and vector network analyzer(VNA). The porosity of PPC can be readily regulated by adjusting activation temperature. The PPC obtained at 750 ℃ was composed of a threedimensional hierarchically porous carbon network. The C and N elements of natural Porphyra were introduced into the carbon skeleton during the carbonization process. The large specific surface, dopants, and three-dimensional hierarchically porous carbon network can effectively improve the impedance matching and dielectric dissipation, leading to an excellent electromagnetic wave absorption performance. Especially, the optimal reflection loss(RL) value reached –57.75 d B at 9.68 GHz with a broad bandwidth(RL< –10 d B) value of 7.60 GHz at 3.5 mm. Overall, the results indicate that the PPC can provide a new way to achieve lightweight, effective, and sustainable absorbers. | Juhua Luo Ziyang Dai Mengna Feng Xiaowen Chen Caihong Sun Ying Xu | 2022 | Journal of Materials Science & Technology2022，，34： | 4 |
| 5 | Graphene as an intermediary for enhancing the electron transfer rate: A free-standing Ni3S2@graphene@CogSs electrocatalytic electrode for oxygen evolution reaction显示文摘 | Qiuchun Dong Yizhou Zhang Ziyang Dai Peng Wang Min Zhao Jinjun Shao Wei Huang Xiaochen Dong | 2018 | Nano Research2018，11，3： | 3 |
| 6 | Nanowires assembled from MnCo2O4@C nanoparticles for water splitting and all-solid-state supercapacitor显示文摘有切开活动的优秀的水的地球丰富的催化剂的合理设计是重要的为持续精力设备获得干净燃料。在这研究,混合了在 nitrogendoped 碳包含的转变金属氧化物 nanoparticles (作为 AB 表示了 2 O 4@NC) 用一个一个壶协议被开发,金属器官的建筑群在那里作为先锋被采用。作为概念的一个证明, MnCo 2 O 4@NC 为水氧化被用作 electrocatalyst,并且与低过电位表明了一项突出的 electrocatalytic 活动完成 10 妈的当前的密度 ??? 娠佮 ? 佧?? | Chencheng Sun Jun Yang Ziyang Dai Xuewan Wang Yufei Zhang Laiquan Li Peng Chen Wei Huang Xiaochen Dong | 2016 | Nano Research2016，9，5： | 2 |
| 7 | Controllable synthesis of triangular Ni(HCO3)2 nanosheets for supercapacitor显示文摘三角形的 Ni (HCO 3)2 nanosheets 经由一个没有模板的 solvothermal 方法被综合。阶段转变和形成机制系统地被探索。进一步的调查显示反应时间和 pH 在形态学和三角形的 Ni 的尺寸分发上有重要效果(HCO 3)2 nanosheets。更有趣地,产生产品有极端薄的结构和高特定的表面区域,它能有效地在费用分泌物过程期间加速费用运输。作为结果,三角形的 Ni (HCO 3)2 nanosheets 不仅展出高特定的电容(1,797 F 唠瑬慲敳獮瑩癩??????脀?? | Xiaoxian Zang Ziyang Dai Jing Guo Qiuchun Dong Jun Yang Wei Huang Xiaochen Dong | 2016 | Nano Research2016，9，5： | 2 |
| 8 | Extremely large-amplitude oscillation of soft pipes conveying fluid under gravity显示文摘In this work,the nonlinear behaviors of soft cantilevered pipes containing internal fluid flow are studied based on a geometrically exact model,with particular focus on the mechanism of large-amplitude oscillations of the pipe under gravity.Four key parameters,including the flow velocity,the mass ratio,the gravity parameter,and the inclination angle between the pipe length and the gravity direction,are considered to affect the static and dynamic behaviors of the soft pipe.The stability analyses show that,provided that the inclination angle is not equal to π,the soft pipe is stable at a low flow velocity and becomes unstable via flutter once the flow velocity is beyond a critical value.As the inclination angle is equal to π,the pipe experiences,in turn,buckling instability,regaining stability,and flutter instability with the increase in the flow velocity.Interestingly,the stability of the pipe can be either enhanced or weakened by varying the gravity parameter,mainly dependent on the value of the inclination angle.In the nonlinear dynamic analysis,it is demonstrated that the post-flutter amplitude of the soft pipe can be extremely large in the form of limit-cycle oscillations.Besides,the oscillating shapes for various inclination angles are provided to display interesting dynamical behaviors of the inclined soft pipe conveying fluid. | Wei CHEN Ziyang HU Huliang DAI Lin WANG | 2020 | Applied Mathematics and Mechanics(English Edition)2020，41，9： | 2 |
| 9 | Deep ultraviolet hydrogel based on 2D cobalt-doped titanate显示文摘Birefringent optical elements that work in deep ultraviolet(DUV)region become increasingly important these years.However,most of the DUV optical elements have fixed birefringence which is hard to be tuned.Here,we invent a birefringence-tunable optical hydrogel with mechano-birefringence effect in the DUV region,based on two-dimensional(2D)low-cobalt-doped titanate.This 2D oxide material has an optical anisotropy factor of 1.5×10^(-11) C^(2)J^(-1) m-1,larger than maximum value obtained previously,leading to an extremely large specific magneto-optical Cotton-Mouton coefficient of 3.9×10^(6) T^(-2) m-1.The extremely large coefficient enables the fabrication of birefringent hydrogel in a small magnetic field with an ultra-low concentration of 2D oxide material.The hydrogel can stably and continuously modulate 303 nm DUV light with large phase tunability by varying the strain(compression or stretching)from 0 to 50%.Our work opens the door to design and fabricate new proof-of-concept DUV birefringence-tunable element,as demonstrated by optical hydrogels capable of DUV modulation by mechanical stimuli. | Youan Xu Baofu Ding Ziyang Huang Lixin Dai Peng Liu Bing Li Wei Cai Hui-Ming Cheng Bilu Liu | 2023 | Light(Science & Applications)2023，12，1： | 1 |
| 10 | Entropy-driven self-assembly of tethered Janus nanoparticles on a sphere显示文摘Understanding the effect of curvature and topological frustration on self-assembly yields insight into the mechanistic details of the ordering of identical subunits in curved spaces,such as the assembly of viral capsids,growth of solid domains on vesicles,and the self-assembly of molecular monolayers.However,the self-assembly of nanoparticles with anisotropic surface topology and compartmentalization on curved surfaces remains elusive.By combining large-scale molecular simulations as well as theoretical analysis,we demonstrate here that the interplay among anisotropy,curvature,and chain conformation induces tethered Janus nanoparticles to self-assemble into diverse novel structures on a sphere,including binary nanocluster(C_(B)),trinary nanocluster(C_(T)),nanoribbon(R_(N))and hexagon with centered reverse(HR),which are mapped on a phase diagram related to the length asymmetry of tethered chains and Janus balance of the nanoparticles.The dynamical mechanism for the formation of these structure states is analyzed by examining the detailed kinetic pathways as well as free energy.We also show that the centered-reverse state is more prone to emerging around the topological defects,indicating the defect-enhanced entropy effect on a curved surface.Finally,the analytical model that rationalizes the regimes of these structure states is developed and fits simulations reasonably well,resulting in a mechanistic interpretation based on the order through entropy.Our findings shed light on curvature engineering as a versatile strategy to tailor the superstructures formed by anisotropic building blocks toward unique properties. | Guolong Zhu Yuming Wang Lijuan Gao Ziyang Xu Xuanyu Zhang Xiaobin Dai Lijun Dai Cuiling Hou Li-Tang Yan | 2021 | Fundamental Research2021，1，5： | 0 |
| 11 | Extraction of lacunarity variation index for revealing the slope pattern in the Loess Plateau of China显示文摘Lacunarity analysis is frequently used in multiscale and spatial pattern studies.However,the explanation for the lacunarity analysis results is limited mainly at a qualitative description level.In other words,this approach can be used to judge whether the spatial pattern of the objective is regular,random or aggregated in space.The lacunarity analysis,however,cannot afford many quantitative information.Therefore,this study proposed the lacunarity variation index(LVI)to reflect the rates of variation of lacunarity with the resolution.In comparison with lacunarity analysis,the simulated experiments show that the LVI analysis can distinguish the basic spatial pattern of the geography objects more clearly and detect the scale of aggregated data.The experiment showed that different slope types in the Loess Plateau display aggregated patterns,and the characteristic scales of these patterns were detected using the slope pattern in the Loess Plateau as the research data.This study can improve the spatial pattern analysis and scale detecting methods,as well as provide a new method for landscape and vegetation community pattern analyses.Lacunarity analysis is frequently used in multiscale and spatial pattern studies.However,the explanation for the lacunarity analysis results is limited mainly at a qualitative description level.In other words,this approach can be used to judge whether the spatial pattern of the objective is regular,random or aggregated in space.The lacunarity analysis,however,cannot afford many quantitative information.Therefore,this study proposed the lacunarity variation index(LVI)to reflect the rates of variation of lacunarity with the resolution.In comparison with lacunarity analysis,the simulated experiments show that the LVI analysis can distinguish the basic spatial pattern of the geography objects more clearly and detect the scale of aggregated data.The experiment showed that different slope types in the Loess Plateau display aggregated patterns,and the characteristic scales of these patterns were detected using the slope pattern in the Loess Plateau as the research data.This study can improve the spatial pattern analysis and scale detecting methods,as well as provide a new method for landscape and vegetation community pattern analyses. | Ziyang DAI Fayuan LI Mingwei ZHAO Lanhua LUO Haoyang JIAO | 2021 | Frontiers of Earth Science2021，15，1： | 0 |
| 12 | Difference in calcium ion precipitation between free and immobilized Halovibrio mesolongii HMY2显示文摘Biomineralization has become a research focus in wastewater treatment due to its much lower costs compared to traditional methods.However,the low sodium chloride(NaCl)-tolerance of bacteria limits applications to only water with low NaCl concentrations.Here,calcium ions in hypersaline wastewater(10%NaCl)were precipitated by free and immobilized Halovibrio mesolongii HMY2 bacteria and the differences between them were determined.The results show that calcium ions can be transformed into several types of calcium carbonate with a range of morphologies,abundant organic functional groups(C-H,C-O-C,C=O,etc),protein secondary structures(β-sheet,α-helix,3_(10)helix,andβ-turn),P=O and S-H indicated by P2p and S2p,and more negativeδ^(13)C_(PDB)(‰)values(-16.8‰to-18.4‰).The optimal conditions for the immobilized bacteria were determined by doing experiments with six factors and five levels and using response surface method.Under the action of two groups of immobilized bacteria prepared under the optimal conditions,by the 10^(th)day,Ca^(2+)ion precipitation ratios had increased to 79%-89%and 80%-88%with changes in magnesium ion cencentrations.Magnesium ions can significantly inhibit the calcium ion precipitation,and this inhibitory effect can be decreased under the action of immobilized bacteria.Minerals induced by immobilized bacteria always aggregated together,had higher contents of Mg,P,and S,lower stable carbon isotope values and less well-developed protein secondary structures.This study demonstrates an economic and eco-friendly method for recycling calcium ions in hypersaline wastewater,providing an easy step in the process of desalination. | Huaxiao Yan Meiyu Huang Jihan Wang Heding Geng Xiyu Zhang Ziyang Qiu Yongliang Dai Zuozhen Han Yudong Xu Long Meng Lanmei Zhao Maurice E.Tucker Hui Zhao | 2022 | Journal of Environmental Sciences2022，34，12： | 0 |
| 13 | Effect of chimney shadow on the performance of wind supercharged solar chimney power plants:A numerical case study for the Spanish prototype显示文摘Three-dimensional numerical simulations for a solar chimney power plant(SCPP)and wind supercharged solar chimney power plant(WSSCPP)based on the Spanish prototype using the solar ray-tracing algorithm were performed to study the shadow effect of the chimney.The area of the shadow region increases with an increase in the incident angle of the solar rays.A parametric study was performed by varying the incident angle from 0°to 30°.The temperature and velocity distributions at different incident angles were analyzed.In addition,we investigated the chimney shadow effect in several comprehensive SCPP systems.The findings show that the turbine shaft powers of the SCPP and WSSCPP were reduced by 22.4%and 13.7%,respectively,when the incident angle increased from 0°to 30°.In conclusion,it is important to consider the chimney shadow effect when estimating the performance in the design and cost analysis of SCPP systems. | Lu Zuo Pengzhan Dai Ling Ding Ziyang Yan Xinru Wang Jiachen Li | 2021 | Global Energy Interconnection2021，4，4： | 0 |
| 14 | Encapsulating maytansinoid in pH-sensitive nanocarriers:The importance of using extremely potent cytotoxic agents and fast release for nanomedicine to achieve tumor elimination显示文摘The clinical translation of nanomedicine is hindered by the low delivery efficiency, and consequently drug concentration in tumor sites falls short of the therapeutic effective range which leads to poor clinical outcomes. One important lesson learned from the development of antibody-drug-conjugates (ADCs) is that to achieve significant clinical benefits, extremely potent cytotoxic agents and cleavable linkers should be used. By encapsulating maytansinoid, AP3, which is 100-1,000 times more potent than most conventional small molecule anticancer drugs, in pH-sensitive acetalated dextran-polyethylene glycol (PEG)(ADP) nanocarriers, even with only 1% drug loading, we were able to eradicate tumors in 50% of tested animals with negligible side effects, while free AP3 only showed marginal efficacy and severe liver damages. This study suggests that besides improving the low efficiency of nano-delivery systems, the potency of drug to be delivered is also critical to the clinical outcomes of nanomedicine. Our results also showed that ADP nanoparticles (NPs) were able to expand the narrow therapeutic window of maytansinoids in a similar manner to the ADCs. | Bo Dai Xingyu Wu Christopher J. Butch Jianquan Wang Ziyang Wang Yisheng Wang Shuming Nie Qian Lu Yiqing Wang Yitao Ding | 2019 | Nano Research2019，12，8： | 0 |
| 15 | Graphitic carbon nitride/ferroferric oxide/reduced graphene oxide nanocomposite as highly active visible light photocatalyst显示文摘High stability and efficient charge separation are two critical factors to construct high-performance photocatalysts.Here,an efficient strategy was provided to fabricate the nanocomposite of graphitic carbon nitride/ferroferric oxide/reduced graphene oxide(g-C_(3)N_(4)/Fe_(3)O_(4)/RGO).The degradation of rhodamine B(RhB)by g-C_(3)N_(4)/Fe_(3)O_(4)/RGO nanocomposite followed the pseudofirst-order kinetics.The g-C_(3)N_(4)/Fe_(3)O_(4)/RGO nanocomposite exhibited excellent stability and magnetically separable performance.It was ascertained that the quantum efficiency and separation efficiency of photoexcited charge carriers of g-C_(3)N_(4)/Fe_(3)O_(4)/RGO nanocomposite were obviously improved.Particularly,the g-C_(3)N_(4)/Fe_(3)O_(4)/RGO nanocomposite with 3 wt.%RGO presented 100%degradation efficiency under visible light irradiation for 75 min.The remarkable photocatalytic degradation activity is attributed to the synergistic interactions among g-C_(3)N_(4),Fe_(3)O_(4),and RGO,along with the efficient interfacial charge separation. | Juhua Luo Ziyang Dai Mengna Feng Mingmin Gu Yu Xie | 2023 | Nano Research2023，16，1： | 0 |
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