<trans-title>Mass Production of <i>α</i>-silicon Nitride Single-crystalline Nanowires</trans-title>

Chao LEI; Fei WEI

doi:10.15541/jim20180381

Journal of Inorganic Materials, Volume. 34, Issue 6, 667(2019)

Mass Production of α-silicon Nitride Single-crystalline Nanowires

Chao LEI^1,2 and Fei WEI²

Author Affiliations

¹Guangdong Institute of Materials and Processing, Guangdong Academy of Sciences, Guangzhou 510650, China

²Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

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Figures & Tables(9)

1. SEM images and photograph of different samples

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2. XRD patterns of Si raw materials, Si₃N₄powders, Si₃N₄ nanowires

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3. Morphologies of Si₃N₄ nanowires

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4. Morphologies under different magnifications for Si₃N₄ particles

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5. Morphologies of nanowires on the granulation Si powder surface

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6. SEM images of different Si powders after 3 h nitridation in the 90vol% N₂+10vol% H₂mixture gas

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7. Nitridation rate of granulation Si powders at different atmospheres

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Table 1. Impurity elements analysis results
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Table 1. Impurity elements analysis results
Element/wt% Fe Ca Al O C
Si raw materials 0.008 0.013 0.012 0.14 -
Si₃N₄nanowires 0.011 0.007 0.031 1.56 -
Si₃N₄particles 0.006 0.014 0.049 1.07 -

Table 2. Elemental analysis results of Si₃N₄ nanowires
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Table 2. Elemental analysis results of Si₃N₄ nanowires
Spectrum Element/at%
Si N O Fe
1 41.42 55.43 3.16 0
2 49.17 46.22 4.17 0.45