Microscopy study of the growth process and structural features of silicon oxide nanoflowers

Yan Qiu Zhu; Wen Kuang Hsu; Mauricio Terrones Maldonado; Nicole Grobert; Wei Bing Hu; Jonathan P. Hare; Harold W. Kroto; David R.M. Walton; Humberto Terrones

doi:10.1021/cm9910052

Microscopy study of the growth process and structural features of silicon oxide nanoflowers

Yan Qiu Zhu, Wen Kuang Hsu, Mauricio Terrones Maldonado, Nicole Grobert, Wei Bing Hu, Jonathan P. Hare, Harold W. Kroto, David R.M. Walton, Humberto Terrones

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

High-quality SiO_x nanoflowers have been generated by heating mixed SiC/Co powder films in a CO atmosphere. The structural features associated with different stages of the growth were monitored by SEM, TEM, EDX, and XRD analysis. A plausible mechanism for the formation of exquisite flowerlike structures is proposed in which SiC reacts with CO, the Co particles acting as a catalytic template, to yield amorphous SiO_x branches. Numerous loops and branches were also observed which may arise either as a result of bifurcation or coalescence. Use of Co₂O₃ instead of Co as catalyst leads to abnormal flowers exhibiting secondary growth.

Original language	English (US)
Pages (from-to)	2709-2715
Number of pages	7
Journal	Chemistry of Materials
Volume	11
Issue number	10
DOIs	https://doi.org/10.1021/cm9910052
State	Published - Jan 1 1999

All Science Journal Classification (ASJC) codes

General Chemistry
General Chemical Engineering
Materials Chemistry

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title = "Microscopy study of the growth process and structural features of silicon oxide nanoflowers",

abstract = "High-quality SiOx nanoflowers have been generated by heating mixed SiC/Co powder films in a CO atmosphere. The structural features associated with different stages of the growth were monitored by SEM, TEM, EDX, and XRD analysis. A plausible mechanism for the formation of exquisite flowerlike structures is proposed in which SiC reacts with CO, the Co particles acting as a catalytic template, to yield amorphous SiOx branches. Numerous loops and branches were also observed which may arise either as a result of bifurcation or coalescence. Use of Co2O3 instead of Co as catalyst leads to abnormal flowers exhibiting secondary growth.",

author = "Zhu, {Yan Qiu} and Hsu, {Wen Kuang} and {Terrones Maldonado}, Mauricio and Nicole Grobert and Hu, {Wei Bing} and Hare, {Jonathan P.} and Kroto, {Harold W.} and Walton, {David R.M.} and Humberto Terrones",

year = "1999",

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doi = "10.1021/cm9910052",

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T1 - Microscopy study of the growth process and structural features of silicon oxide nanoflowers

AU - Zhu, Yan Qiu

AU - Hsu, Wen Kuang

AU - Terrones Maldonado, Mauricio

AU - Grobert, Nicole

AU - Hu, Wei Bing

AU - Hare, Jonathan P.

AU - Kroto, Harold W.

AU - Walton, David R.M.

AU - Terrones, Humberto

PY - 1999/1/1

Y1 - 1999/1/1

N2 - High-quality SiOx nanoflowers have been generated by heating mixed SiC/Co powder films in a CO atmosphere. The structural features associated with different stages of the growth were monitored by SEM, TEM, EDX, and XRD analysis. A plausible mechanism for the formation of exquisite flowerlike structures is proposed in which SiC reacts with CO, the Co particles acting as a catalytic template, to yield amorphous SiOx branches. Numerous loops and branches were also observed which may arise either as a result of bifurcation or coalescence. Use of Co2O3 instead of Co as catalyst leads to abnormal flowers exhibiting secondary growth.

AB - High-quality SiOx nanoflowers have been generated by heating mixed SiC/Co powder films in a CO atmosphere. The structural features associated with different stages of the growth were monitored by SEM, TEM, EDX, and XRD analysis. A plausible mechanism for the formation of exquisite flowerlike structures is proposed in which SiC reacts with CO, the Co particles acting as a catalytic template, to yield amorphous SiOx branches. Numerous loops and branches were also observed which may arise either as a result of bifurcation or coalescence. Use of Co2O3 instead of Co as catalyst leads to abnormal flowers exhibiting secondary growth.

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Microscopy study of the growth process and structural features of silicon oxide nanoflowers

Abstract

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