Syrthesis of Carbon Canotubes (CNTS) Crown Over Srpported ...

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Fig. I . CN l's grown over alLIft ina suppofed catallsts (a) Fe-Al:Or; (b) Co- A lror; (c) Fe/Cb Alror; (d) Ni- Al:Or; (e) Fg/CotNi- Al:Or Fig- L CNTS gforvn over N'lS suppo[cd catalysts (a) Fe-MS; (b) Co-MS; (c) Fe/Co-MS; (d) Nr MS;(e) l'c/Co,l\li- MS
ln the case olthe CNTs grown over aLumina-sLtppolted catalysls. the lips oflhe CN l s floss liossess less visible white spots. The CNTS were probablv grown by'base growth model' in which the catalysts have a strong cilla1ysl-slrppoft inlefacLion. which enhanr"ed ll,e g'o\\lll ul . i"ncd cNT\ 1 Table l Fig. L TEN4 ol'as-gro$'n CNTS Analytical and desorption data ofas_synthesized CNTS gfownover alumina (Al:Or)- suppolted catalysts. AlLrmina-suppofted catalysts " Carbon Composition (%) n Surface Area 0,rt/s) Volulne ofH, gas Desorped 0rl-/g) Ni-Atro3 i0 13 9,+ Fe-AbO:: l9 90 Co-Al:Or 4l 78 t9 Fe/Co-Al:Oi 184 Fe/Co/N;-AlrOr i.l 68 65
Page 1 and 2: Syrthesis of Carbon Canotubes (CNTS
Page 3 and 4: to depcnd upon thc interaction betw
Page 5: 3. Results and Discussion The gro$4
Page 9 and 10: adsorbed was found to be proportion

Syrthesis of Carbon Canotubes (CNTS) Crown Over Srpported ...

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