SPHERE

作品数：621被引量：896H指数：12
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Entropy-driven self-assembly of tethered Janus nanoparticles on a sphere
《Fundamental Research》2021年第5期641-648,共8页Guolong Zhu Yuming Wang Lijuan Gao Ziyang Xu Xuanyu Zhang Xiaobin Dai Lijun Dai Cuiling Hou Li-Tang Yan 
supported by the National Natural Science Foundation of China(Grants No.22025302 and 21873053);L.T.Y.acknowledges financial support from the Ministry of Science and Technology of China(Grant No.2016YFA0202500).
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 capsi...
关键词：Curved surface Entropy-driven self-assembly Defect-enhanced entropy effect Topological defect Anisotropic particle 
A direct H2O2 production based on hollow porous carbon sphere-sulfur nanocrystal composites by confinement effect as oxygen reduction electrocatalysts被引量：9
《Nano Research》2019年第10期2614-2622,共9页Guanyu Chen Jiwei Liu Qingqing Li Pengfei Guan Xuefeng Yu Linshen Xing Jie Zhang Renchao Che 
This work was supported by the Ministry of Science and Technology of China(No.2018YFA0209102);the National Natural Science Foundation of China(Nos.11727807,51725101,51672050 and 61790581);the Science and Technology Commission of Shanghai Municipality(No.l6DZ2260600).
Carbon-sulfur composites have draw n in creasing interest in various fields including electrocatalysis because of their unique structures.However,carb on-sulfur composite with tiny sulfur nano crystals has still recei...
关键词：SULFUR nanocrystal hydrogen PEROXIDE PRODUCTION carbon SPHERE oxygen reduction reaction 
CoS_2 Yolk-Shell Spheres Coated with Carbon Thin Layers as High Active and Stable Electrocatalysts for Hydrogen Evolution Reaction
《Transactions of Nanjing University of Aeronautics and Astronautics》2018年第4期619-629,共11页Wang Anliang Tong Yexiang Li Gaoren 
supported by the National Basic Research Program of China(Nos.2015CB932304,2016YFA0202603);the Natural Science Foundation of China (No.91645104);the Natural Science Foundation of Guangdong Province(Nos.S2013020012833,2016A010104004);the Fundamental Research Fund for the Central Universities(No.16lgjc67)
Though water electrolysis is effective in generating high-quality hydrogen gas,it requires effective electrocatalysts for hydrogen evolution reaction(HER).CoS_2 have been considered as a promising HER electrocatalyst ...
关键词：CoS2@C yolk-shell sphere ELECTROCATALYST hydrogen evolution reaction(HER) high stability 
A Co-N/C hollow-sphere electrocatalyst derived from a metanilic CoAl layered double hydroxide for the oxygen reduction reaction, and its active sites in various pH media被引量：5
《Nano Research》2017年第7期2508-2518,共11页Jun Wang Liqun Li Xu Chen Yanluo Lu Wensheng Yang Xue Duan 
This research was supported by the National Basic Research Program of China （No. 2014CB932103）, National Natural Science Foundation of China （Nos. 51272020, 21236003, and U1407118）, Beijing Engineering Center for Hierarchical catalysts and Fundamental Research Funds for the Central Universities （No. YS1406）.
Transition-metal-coordinating nitrogen-doped carbon catalysts （M-N/C, M = Co, Fe, Mn, Ni, etc.） are considered one of the most promising nonprecious-metal electrocatalysts for the oxygen reduction reaction （ORR）. ...
关键词：confined space hollow carbon sphere hierarchical pore structure ELECTROCATALYSTS oxygen reduction reaction 
A note on semidefinite programming relaxations for polynomial optimization over a single sphere被引量：7
《Science China Mathematics》2016年第8期1543-1560,共18页HU Jiang JIANG Bo LIU Xin WEN ZaiWen 
supported by National Natural Science Foundation of China (Grant Nos. 11401364, 11322109, 11331012, 11471325 and 11461161005);the National High Technology Research and Development Program of China (863 Program) (Grant No. 2013AA122902);the National Center for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences;National Basic Research Program of China (973 Program) (Grant No. 2015CB856002)
We study two instances of polynomial optimization problem over a single sphere. The first problem is to compute the best rank-1 tensor approximation. We show the equivalence between two recent semidefinite relaxations...
关键词：polynomial optimization over a single sphere semidefinite programming best rank-1 tensor ap-proximation Bose-Einstein condensates 
High loading Pt nanoparticles on ordered mesoporous carbon sphere arrays for highly active methanol electro-oxidation被引量：3
《Chinese Chemical Letters》2016年第6期832-836,共5页Cheng-Wei Zhang Lian-Bin Xu Jian-Feng Chen 
financial support from the National Natural Science Foundation of China (No. 51172014);the National 973 Program of China (No. 2009CB219903);the Scientific Innovation Grant for Excellent Young Scientists of Hebei University of Technology (No. 2015001)
Three-dimensionally（3D） ordered mesoporous carbon sphere arrays（OMCS） are explored to support high loading（60 wt%） Pt nanoparticles as electrocatalysts for the methanol oxidation reaction（MOR）.The OMCS has a u...
关键词：CARBON Pt nanoparticles High loading ELECTROCATALYST Methanol oxidation reaction Fuel cell 
Numerical investigation of dynamical behavior of tethered rigid spheres in supersonic flow被引量：2
《Applied Mathematics and Mechanics(English Edition)》2016年第6期749-760,共12页Tao LI Jingxia SUI Chuijie WU 
supported by the National Natural Science Foundation of China(No.11372068);the National Key Basic Research and Development Program of China(973 Program)(No.2014CB-744104)
The dynamical behavior of two tethered rigid spheres in a supersonic flow is numerically investigated. The tethered lengths and radius ratios of the two spheres are different. The two spheres, which are centroid axial...
关键词：dynamical behavior supersonic flow tethered sphere 
Green synthesis of fluorescent carbon quantum dots and carbon spheres from pericarp被引量：8
《Science China Chemistry》2015年第5期863-870,共8页Wei Du Xiaoqian Xu Han Hao Rongmei Liu Di Zhang Feng Gao Qingyi Lu 
supported by the National Basic Research Program of China(2013CB922102,2011CB935800);the National Natural Science Foundation of China(21071076,51172106,21021062)
An economical idea was developed to synthesize fluorescent carbon quantum dots （CQDs） directly fl-om the refluxing extraction of orange pericarp via a hydrothermal technique. Hydrothermal temperatures and times were...
关键词：carbon quantum dots carbon sphere green synthesis FLUORESCENCE 
Numerical simulation of steady flow past a liquid sphere immersed in simple shear flow at low and moderate Re被引量：2
《Chinese Journal of Chemical Engineering》2015年第1期15-21,共7页李润 张敬升 雍玉梅 汪洋 杨超 
Supported by the National Basic Research Program of China(2013CB632601);the National Science Fund for Distinguished Young Scholars(21025627);the National Natural Science Foundation of China(21276256,21106150);the National High Technology Research and Development Program of China(2012AA03A606)
This work presents a numerical investigation on steady internal, external and surface flows of a liquid sphere immersed in a simple shear flow at low and intermediate Reynolds numbers. The control volume formulation i...
关键词：Shear flow Liquid sphere Numerical simulation STREAMLINE Jeffery orbit 
Packing properties of binary mixtures in disordered sphere systems被引量：3
《Particuology》2014年第5期155-166,共12页Lingyi Meng Peng Lu Shuixiang Li 
supported by the National Natural Science Foundation of China(Grant No.11272010);the National Basic Research Program of China(Grant No.2010CB832701)
Mixtures of binary spheres are numerically simulated using a relaxation algorithm to investigate the effects of volume fraction and size ratio, A complete profile of the packing properties of binary spheres is given. ...
关键词：Disordered packing Binary spheres Volume fraction Size ratio 
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