Anisotropic growth of gas–liquid precipitated ceria mesocrystals to wires several micrometers in length

Yuta Kubota; Tetsuo Kishi; Tetsuji Yano; Nobuhiro Matsushita

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Anisotropic growth of gas–liquid precipitated ceria mesocrystals to wires several micrometers in length

机译：气液沉淀二氧化铈中间晶体向几微米长的线的各向异性生长

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Ceria (CeO _(2) ) wires with lengths of 6 μm and diameters of tens of nanometers are fabricated through the anisotropic growth of mesocrystals. In the gas–liquid precipitation process, an aqueous Ce(NO _(3) ) _(3) solution is used as a starting material and NH _(3) gas is used to induce CeO _(2) precipitation at the gas–liquid interface. CeO _(2) mesocrystals, formed by this process at 60 °C, grow in the direction of 〈011〉 into micrometer length wires exposing {001} and {011} on their side walls. It is shown that the initial pH of the starting material solution is a key parameter to attain anisotropic growth of the CeO _(2) mesocrystals. We thus propose the formation mechanism of micrometer length-CeO _(2) wires from mesocrystals.

机译：通过介晶各向异性生长，制备了长度为6μm，直径为数十纳米的二氧化铈（CeO _（2））线。在气液沉淀过程中，将Ce（NO _（3））_（3）水溶液用作起始原料，并使用NH _（3）气体在气体中诱导CeO _（2）沉淀。液体界面。通过此过程在60°C形成的CeO_（2）介晶在<011>方向上生长成微米级的金属丝，在其侧壁上露出{001}和{011}。结果表明，原料溶液的初始pH是获得CeO_（2）介晶各向异性生长的关键参数。因此，我们提出了由介晶形成微米长度-CeO _（2）导线的机理。

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《RSC Advances》 |2018年第43期|共6页
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Yuta Kubota; Tetsuo Kishi; Tetsuji Yano; Nobuhiro Matsushita;
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中图分类化学;
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1. Anisotropic growth of gas-liquid precipitated ceria mesocrystals to wires several micrometers in length [J] . Kubota Yuta, Kishi Tetsuo, Yano Tetsuji, RSC Advances . 2018,第43期

机译：气液的各向异性生长沉淀了Ceria MesoCrystals的长度为几微米
2. 10 μm minority-carrier diffusion lengths in Si wires synthesized by Cu-catalyzed vapor-liquid-solid growth [J] . Morgan C. Putnam, Daniel B. Turner-Evans, Michael D. Kelzenberg, Applied Physicsletters . 2009,第16期

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3. PbS sub-micrometer structures with anisotropic shape: Ribbons, wires, octapods, and hollowed cubes [J] . Bashouti M, Lifshitz E Inorganic Chemistry: A Research Journal that Includes Bioinorganic, Catalytic, Organometallic, Solid-State, and Synthetic Chemistry and Reaction Dynamics . 2008,第2期

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5. Solution-liquid-solid (SLS) growth of diameter-controlled semiconductor quantum wires and their two-dimensional quantum confinement effects. [D] . Yu, Heng. 2003

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7. 10 µm minority-carrier diffusion lengths in Si wires synthesized by Cu-catalyzed vapor-liquid-solid growth [O] . Putnam Morgan C., Turner-Evans Daniel B., Kelzenberg Michael D., 2009

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Anisotropic growth of gas–liquid precipitated ceria mesocrystals to wires several micrometers in length

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