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wangdongh

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ÌâÄ¿£ºHigh Surface Area Porous Silicon Carbide Synthesized via Sol-Gel and Carbothermal Reduction Process
ÆÚ¿¯£ºJournal of Optoelectronics and Advanced Materials
Äê¾íÒ³Â룺vol. 13 issue 3/2011 p. 218-222
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wangdongh(½ð±Ò+5): лл 2011-06-30 18:46:14
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Originally posted by wangdongh at 2011-06-30 18:17:09:
ÌâÄ¿£ºHigh Surface Area Porous Silicon Carbide Synthesized via Sol-Gel and Carbothermal Reduction Process
ÆÚ¿¯£ºJournal of Optoelectronics and Advanced Materials
Äê¾íÒ³Â룺vol. 13 issue 3/2011 p. ...

High surface area porous silicon carbide synthesized via sol-gel and carbothermal reduction process
  

×÷Õß: Wang DH (Wang, Dong-Hua)  
À´Ô´³ö°æÎï: JOURNAL OF OPTOELECTRONICS AND ADVANCED MATERIALS    ¾í: 13    ÆÚ: 2-4    Ò³: 218-222    ³ö°æÄê: MAR 2011   
±»ÒýƵ´Î: 0     ²Î¿¼ÎÄÏ×: 18     ÒýÖ¤¹ØÏµÍ¼      
ÕªÒª: A modified sol-gel method is proposed for the preparation of high surface area porous silicon carbide. In this method, furfuryl alcohol and tetraethoxysilane were used respectively as carbon and silicon precursors for preparing a carbonaceous silica xerogel. Polymethylhydrosiloxane (PMHS) was employed as pore-adjusting agent in the sol-gel process. SiC was obtained by the carbothermal reduction of the carbonaceous silica xerogel at 1300 degrees C in argon flow and then purified by removing excess silica, carbon and other impurities. XRD, FTIR, SEM, HRTEM and BET were used to characterize the SiC samples. The results show that the SiC products are found to have high specific surface area of 167 m(2)/g. PMHS has important effect on the surface area, pore volume of the SiC products. The SiC exhibits different photoluminescence properties.
ÎÄÏ×ÀàÐÍ: Article  
ÓïÑÔ: English  
×÷Õ߹ؼü´Ê: Sol-gel; Polymethylhydrosiloxane; High surface area silicon carbide; Carbothermal reduction; XRD; FTIR; SEM; HRTEM; BET  
KeyWords Plus: FABRICATION  
ͨѶ×÷ÕßµØÖ·: Wang, DH (ͨѶ×÷Õß), Weinan Teachers Univ, Dept Chem & Chem Engn, Weinan 714000, Peoples R China  
µØÖ·:
1. Weinan Teachers Univ, Dept Chem & Chem Engn, Weinan 714000, Peoples R China  
µç×ÓÓʼþµØÖ·: wangdongh1978@163.com  
»ù½ð×ÊÖúÖÂл:
»ù½ð×ÊÖú»ú¹¹ ÊÚȨºÅ
Natural Science Basic Research Plan in Shaanxi Province Of China  2010JQ6014  
Weinan Teachers University  10YKZ051  

[ÏÔʾ»ù½ð×ÊÖúÐÅÏ¢]   

The authors acknowledge the financial support from Natural Science Basic Research Plan in Shaanxi Province Of China (Program No. 2010JQ6014) and the Special Post-graduate Research Projects of Weinan Teachers University (No.10YKZ051).

³ö°æÉÌ: NATL INST OPTOELECTRONICS, 1 ATOMISTILOR ST, PO BOX MG-5, BUCHAREST-MAGURELE 76900, ROMANIA  
IDS ºÅ: 765VX  
ISSN: 1454-4164
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2Â¥2011-06-30 18:32:41
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yituyitu

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ÒýÓûØÌû:
Originally posted by wangdongh at 2011-06-30 18:17:09:
ÌâÄ¿£ºHigh Surface Area Porous Silicon Carbide Synthesized via Sol-Gel and Carbothermal Reduction Process
ÆÚ¿¯£ºJournal of Optoelectronics and Advanced Materials
Äê¾íÒ³Â룺vol. 13 issue 3/2011 p. ...

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