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Ding EX, Geng HZ, Wang J, et al. Hierarchical chrysanthemum-flower-like carbon nanomaterials grown by chemical vapor deposition. Nanotechnology. 2016;27(8):085602doi: 10.1088/0957-4484/27/8/085602.
Ding, E. X., Geng, H. Z., Wang, J., Luo, Z. J., Li, G., Wang, W. Y., Li, L. G., Yang, H. J., Da, S. X., Wang, J., Jiang, H., & Kauppinen, E. I. (2016). Hierarchical chrysanthemum-flower-like carbon nanomaterials grown by chemical vapor deposition. Nanotechnology, 27(8), 085602. https://doi.org/10.1088/0957-4484/27/8/085602
Ding, Er-Xiong, et al. "Hierarchical chrysanthemum-flower-like carbon nanomaterials grown by chemical vapor deposition." Nanotechnology vol. 27,8 (2016): 085602. doi: https://doi.org/10.1088/0957-4484/27/8/085602
Ding EX, Geng HZ, Wang J, Luo ZJ, Li G, Wang WY, Li LG, Yang HJ, Da SX, Wang J, Jiang H, Kauppinen EI. Hierarchical chrysanthemum-flower-like carbon nanomaterials grown by chemical vapor deposition. Nanotechnology. 2016 Feb 26;27(8):085602. doi: 10.1088/0957-4484/27/8/085602. Epub 2016 Jan 25. PMID: 26808687.
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Nanotechnology. 2016 Feb 26;27(8):085602. doi: 10.1088/0957-4484/27/8/085602. Epub 2016 Jan 25.

Hierarchical chrysanthemum-flower-like carbon nanomaterials grown by chemical vapor deposition.

Nanotechnology

Er-Xiong Ding, Hong-Zhang Geng, Jing Wang, Zhi-Jia Luo, Guangfen Li, Wen-Yi Wang, Lin-Ge Li, Hai-Jie Yang, Shi-Xun Da, Jie Wang, Hua Jiang, Esko I Kauppinen

Affiliations

  1. State Key Laboratory of Separation Membranes and Membrane Processes, School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin 300387, People's Republic of China.

PMID: 26808687 DOI: 10.1088/0957-4484/27/8/085602

Abstract

Novel hierarchical chrysanthemum-flower-like carbon nanomaterials (CFL-CNMs) were synthesized by thermal chemical vapor deposition based on acetylene decomposition. A scanning electron microscope and a transmission electron microscope were employed to observe the morphology and structure of the unconventional nanostructures. It is found that the CFL-CNMs look like a blooming chrysanthemum with a stem rather than a spherical flower. The carbon flower has an average diameter of 5 μm, an average stem diameter of 150 nm, branch diameters ranging from 20 to 70 nm, and branch lengths ranging from 0.5 to 3 μm. The morphologies of the CFL-CNMs are unlike any of those previously reported. Fishbone-like carbon nanofibers with a spindle-shaped catalyst locating at the tip can also be found. Furthermore, the catalyst split was proposed to elucidate the formation mechanism of CFL-CNMs. A large and glomerate catalyst particle at the tip of the carbon nanofiber splits into smaller catalyst particles which are catalytic-active points for branch formation, resulting in the formation of CFL-CNMs.

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