Articles with "template free" as a keyword



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Rapid, Room‐Temperature and Template‐Free Synthesis of Metal‐Organic Framework Nanowires in Alcohol

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Published in 2019 at "ChemCatChem"

DOI: 10.1002/cctc.201900124

Abstract: The well‐defined one‐dimensional nanostructures of metal‐organic frameworks (MOFs) are hard to obtain, especially for the MOF nanowires with small diameters and large lengths. Here we report a rapid, room‐temperature and template‐free route for the synthesis… read more here.

Keywords: mof nanowires; temperature template; metal organic; rapid room ... See more keywords
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Morphology control and magnetic properties of cauliflower-like CeO2 synthesized by a facile template-free hydrothermal method

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Published in 2017 at "Journal of Materials Science: Materials in Electronics"

DOI: 10.1007/s10854-017-6706-z

Abstract: Cauliflower-like CeO2 particles composed of numerous nanorods with variable diameters of 100–220 nm have been successfully synthesized via a facile template-free hydrothermal method. The influences of the reaction time on the morphologies, crystal structures, and magnetic… read more here.

Keywords: like ceo2; hydrothermal method; cauliflower like; facile template ... See more keywords
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Facile template-free one-pot fabrication of ZnCo2O4 nanospheres for advanced lithium storage capability

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Published in 2017 at "Ionics"

DOI: 10.1007/s11581-017-2163-1

Abstract: Large-scale ZnCo2O4 nanospheres with an average diameter of 350 nm were developed via a hydrothermal method. By adjusting the molar ratio of polyvinyl pyrrolidone (PVP), the ZnCo2O4 nanospheres can be facilely designed. Meanwhile, controlled experiment factors,… read more here.

Keywords: znco2o4 nanospheres; lithium storage; facile template; znco2o4 ... See more keywords
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Template-free fabrication of fractal porous Y2O3 monolithic foam and its functional modification by Ni-doping

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Published in 2020 at "Science China Materials"

DOI: 10.1007/s40843-020-1317-1

Abstract: 自相似的分形结构如云、树、雪花、闪电、人类循环系统 等广泛存在于自然界中, 然而自然界中自发形成的分形结构很难 用常规的实验室合成方法得到. 本文利用一种无模板的、基于金 属-小分子配位聚合作用的自组装方法, 制备了具有分形孔结构的 整体钇-氨基酸配合物材料, 并通过焙烧得到分形孔结构Y2O3. 材 料的孔尺度分布范围从微米到纳米尺度, 最为有趣的是, 这种孔结 构表现出自相似特征的结构, 即任意一级的大孔的孔壁都是由次 级尺度范围的二级小孔孔结构组成. 整体配合物由几十微米的微 米孔构筑而成, 微米孔的孔壁由尺度更小的次级微米孔组成, 次级 微米孔的孔壁继续由100 nm左右的纳米孔组成. 继续放大后可以 看到纳米孔的孔壁包含由纳米晶粒堆积而成的更小的介孔 (2–10 nm). 通过在合成中引入其他金属阳离子(Ni2+, Bi3+, Ce3+, Eu3+), 可以得到分形孔包裹镶嵌的掺杂型分形孔混合氧化物. 以 Ni2+为例, 分散的NiO纳米颗粒嵌入Y2O3泡沫分形孔结构中. 在乙… read more here.

Keywords: y2o3; free fabrication; porous y2o3; fractal porous ... See more keywords
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Template-free synthesized 3D macroporous MXene with superior performance for supercapacitors

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Published in 2019 at "Applied Materials Today"

DOI: 10.1016/j.apmt.2019.06.013

Abstract: Abstract MXene is a promising material for supercapacitor due to its unique physical and chemical properties. However, traditional fabrication methods of electrode often result in restacking of MXenes nanosheets, leading to the insufficient utilization of… read more here.

Keywords: performance; mxene; template free; film ... See more keywords
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Template free synthesis of graphitic carbon nitride nanotubes mediated by lanthanum (La/g-CNT) for selective photocatalytic CO2 reduction via dry reforming of methane (DRM) to fuels

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Published in 2020 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.144177

Abstract: Abstract Template-free fabrication of graphitic carbon nitride nanotubes modified with lanthanum (La/g-CNT) for dynamic photo-catalytic CO2 reduction with CH4 has been investigated. Successful fabrication of g-C3N4 nanosheets and nanotubes were obtained with enhanced photo-activity under… read more here.

Keywords: co2 reduction; co2; graphitic carbon; cnt ... See more keywords
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Facile template-free synthesis of Ni-SiO2 catalyst with excellent sintering- and coking-resistance for dry reforming of methane

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Published in 2019 at "Catalysis Communications"

DOI: 10.1016/j.catcom.2019.105782

Abstract: Abstract Ni-SiO2 catalysts were synthesized by facile template-free hydrothermal method with ammonia-assisted via using low-cost silica sol as precursor and successfully employed to dry reforming of methane reaction. It was found that ultra-small Ni nanoparticles… read more here.

Keywords: dry reforming; facile template; template free; reforming methane ... See more keywords
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CuO nanosheets/ZnO nanorods synthesized by a template-free hydrothermal approach and their optical and magnetic characteristics

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Published in 2017 at "Ceramics International"

DOI: 10.1016/j.ceramint.2017.04.159

Abstract: Abstract Nanostructured CuO/ZnO heterojunctions were fabricated via a template-free hydrothermal reaction. The prepared CuO/ZnO nanocomposites are composed of one dimensional (1D) hexagonal ZnO nanorods and two-dimensional (2D) monoclinic CuO nanosheets. The single crystal nature of… read more here.

Keywords: zno; cuo nanosheets; zno nanorods; free hydrothermal ... See more keywords
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Template-free synthesis of rGO decorated hollow Co3O4 nano/microspheres for ethanol gas sensor

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Published in 2018 at "Ceramics International"

DOI: 10.1016/j.ceramint.2018.08.146

Abstract: Abstract A series of the rGO decorated hollow Co 3 O 4 spheres were fabricated via a solvothermal-combination-calcination process with no template. The morphological and crystal structure analysis were carried out through several characterization techniques,… read more here.

Keywords: free synthesis; rgo; rgo decorated; decorated hollow ... See more keywords
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Synthesis of ultra-long nanowires of nickel phosphate by a template-free hydrothermal method for electrocatalytic oxidation of glucose

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Published in 2019 at "Colloids and Surfaces A: Physicochemical and Engineering Aspects"

DOI: 10.1016/j.colsurfa.2018.12.035

Abstract: Abstract The ultra-long nanowires of nickel phosphate were synthesized by a simple, template-free hydrothermal method. Scanning electron microscopy and transmission electron microscopy show the morphology of ultra-long nanowires with lengths ranging from 20 to 30 μm,… read more here.

Keywords: microscopy; nanowires nickel; long nanowires; template free ... See more keywords
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Detection of hydrogen peroxide involving bismuth nanowires via template-free electrochemical synthesis using deep eutectic solvents

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Published in 2020 at "Electrochemistry Communications"

DOI: 10.1016/j.elecom.2020.106869

Abstract: Abstract Nanomaterials with different morphologies have been important in the development of electrochemical sensors with applications in the biomedical field. In the last decade, there has been increasing interest in Bi-based nanostructures for sensing applications… read more here.

Keywords: hydrogen peroxide; deep eutectic; eutectic solvents; template free ... See more keywords