HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR

中国物理B ›› 2001, Vol. 10 ›› Issue (13): 76-79.

HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR

王喜章¹, 吴强¹, 陈懿¹, 胡征²

(1)Laboratory of Mesoscopic Materials and Chemistry, Department of Chemistry, Nanjing University, Nanjing 210093, China; (2)Laboratory of Mesoscopic Materials and Chemistry, Department of Chemistry, Nanjing University, Nanjing 210093, China; National Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China

收稿日期:2001-02-26 出版日期:2001-12-25 发布日期:2005-07-07
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No. 59871020), by "973" progran (Grant No. G1999064508) and by Visiting Scholar Foundation of Key Laboratory in University.

HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR

Wang Xi-zhang (王喜章)^a, Hu Zheng (胡征)^ab, Wu Qiang (吴强)^a, Chen Yi (陈懿)^a

^a Laboratory of Mesoscopic Materials and Chemistry, Department of Chemistry, Nanjing University, Nanjing 210093, China; ^bNational Laboratory of Solid State Microstructures, Nanjing University, Nanjing 210093, China

Received:2001-02-26 Online:2001-12-25 Published:2005-07-07
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No. 59871020), by "973" progran (Grant No. G1999064508) and by Visiting Scholar Foundation of Key Laboratory in University.

摘要/Abstract

摘要： Multi-walled carbon nanotubes (CNTs) have been synthesized on γ-Al₂O₃ supported unitary, binary or trinity metal (Fe, Co, Ni) catalysts with benzene as carbon source in the range of 600 to 810 ℃. The growth of CNTs was carried out in a fixed bed flow reactor and the quality of carbon deposits was characterized by transmission electron microscopy. The preparation was optimized and the high-yield production of CNTs has been achieved for three mixture catalysts with the yield of high-quality CNTs higher than 200% within 60 min, reaching a maximum of 278% for 1.51 mmol/g Fe-1.51 mmol/g Co/γ-Al₂O₃ catalyst. This provides a good alternative for future large scale and low cost production of CNTs for applications.

Abstract: Multi-walled carbon nanotubes (CNTs) have been synthesized on $\gamma$-Al₂O₃ supported unitary, binary or trinity metal (Fe, Co, Ni) catalysts with benzene as carbon source in the range of 600 to 810 ℃. The growth of CNTs was carried out in a fixed bed flow reactor and the quality of carbon deposits was characterized by transmission electron microscopy. The preparation was optimized and the high-yield production of CNTs has been achieved for three mixture catalysts with the yield of high-quality CNTs higher than 200% within 60 min, reaching a maximum of 278% for 1.51 mmol/g Fe-1.51 mmol/g Co/$\gamma$-Al₂O₃ catalyst. This provides a good alternative for future large scale and low cost production of CNTs for applications.

Key words: carbon nanotube, chemical vapor deposition (CVD), benzene

中图分类号:

6146

王喜章, 胡征, 吴强, 陈懿. HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR[J]. 中国物理B, 2001, 10(13): 76-79.

Wang Xi-zhang (王喜章), Hu Zheng (胡征), Wu Qiang (吴强), Chen Yi (陈懿). HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR[J]. Chinese Physics, 2001, 10(13): 76-79.

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HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR

HIGH-YIELD PRODUCTION OF MULTI-WALLED CARBON NANOTUBES BY CATALYTIC DECOMPOSITION OF BENZENE VAPOR

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