期刊
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES
卷 26, 期 4, 页码 218-225出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/1536383X.2018.1428567
关键词
CNT; Doping; Phosphorous; Catalyst; ORR
类别
资金
- Isfahan University of technology
Phosphorous-doped carbon nanotubes (PCNTs) was prepared via two-step methodology employing chemical vapor deposition, by using available starting materials and catalyst. First, CNTs was produced from acetylene gas at 750 oC and then, PCNTs have been prepared with total yield of 44% by recooking of the prepared CNT with Ph3P at 600 oC. The product was characterized with FESEM, TEM and EDS analyses, which confirmed its nanotube shape and the presence of phosphorous atom. The high thermal stability of the product was obtained from TGA analysis, showing only 16.5% weight loss up to 890 oC. The Raman spectrum of the product showed the I-D/I-G ration equal to 0.84. Moreover, the catalytic potency of the product has been examined in ORR electrochemical reaction using CV and LSV diagrams. The results confirmed appropriate catalytic activity and high stability of the product for this process.
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