2016
DOI: 10.1016/j.jcrysgro.2016.07.037
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Synthesis of several millimeters long SiC–SiO2 nanowires by a catalyst-free technique

Abstract: In situ synthesis of ultra-long SiC-SiO 2 nanowires were successfully conducted with the raw materials of silicon and phenolic resin by an effective and catalyst-free technique. Several millimeters long SiC-SiO 2 nanowires with the diameters in the range of 50-200 nm were mainly composed of Si, C and a small amount of O, and the formation of several millimeters long SiC-SiO 2 nanowires was attributed to a low flow rate and carbon sources supplied continuously by the pyrolysis of phenolic resin. A catalyst-free… Show more

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Cited by 12 publications
(4 citation statements)
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“…According to previous literatures, the possible formation mechanism of SiCnws could be explained as follows. [45][46][47] FeðC 2 H 5 Þ 2ðsÞ ! FeðC 2 H 5 Þ 2ðgÞ…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…According to previous literatures, the possible formation mechanism of SiCnws could be explained as follows. [45][46][47] FeðC 2 H 5 Þ 2ðsÞ ! FeðC 2 H 5 Þ 2ðgÞ…”
Section: Resultsmentioning
confidence: 99%
“…According to previous literatures, the possible formation mechanism of SiCnws could be explained as follows. [ 45–47 ] Fe ( C 2 H 5 ) 2 false( normals false) Fe ( C 2 H 5 ) 2 false( normalg false) Fe ( C 2 H 5 ) 2 false( normalg false) Fe ( g ) + 10 normalC ( s ) + 5 normalH 2 false( normalg false) Fe ( g ) Fe ( 1 ) Si ( s ) Si ( g ) 3 normalC ( s ) + normalO 2 false( normals false) 2 CO ( g ) Si ( g …”
Section: Resultsmentioning
confidence: 99%
“…SiC NWs also show potential for fruitful applications in field emission displays, nanosensors, nanoscale electro-devices, and optoelectronic devices [1][2][3][4]. To date, many methods [5][6][7][8][9][10][11][12][13][14][15] have been applied to prepare SiC whiskers or NWs, including the most common and commercial methods such as chemical vapor deposition from silanes, thermal decomposition of rice hulls, and thermal reduction of silicon oxides, in particular on silica and carbon solid mixtures [16]. Though they are industrial production processes, there are still some shortcomings such as the large amount of energy and time consumption, the small amount of whiskers in the whiskers/particle products, and a certain amount of residual Si and C particles and low-melting Fe-Si alloy or other low-melting alloys in the products; most of all, these low-melting particles are detrimental phases in high-temperature environments.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, several techniques have been applied to prepare 1D Si 3 N 4 nanomaterials, including the pyrolysis of polymeric precursors, carbothermal reduction, and chemical vapor deposition (CVD)131415. Meanwhile, Si 3 N 4 nanomaterials with lengths on the order of millimeters or even centimeters could be more valuable in some fields (e.g., connections for devices and reinforcements for composites) compared with shorter versions161718. Thus, great efforts have been made to prepare ultralong Si 3 N 4 nanomaterials with high yields.…”
mentioning
confidence: 99%