e-journal
Remarkable hexagonal carbon tubes transformed from zinc tetrapyridylporphine
Abstract.
Herein, a simple template-free method to the preparation of hexagonal carbon microtubes
by pyrolysis of zinc tetrapyridylporphine (ZnTPyP) was reported. With cetyltrimethyl
ammonium bromide as the auxiliary agent, ZnTPyP molecules assemble into hexagonal
microtubes. Corresponding ZnTPyP microtubes and microrods can be selectively fabricated
by changing the concentration of tetrapyridylporphine (TPyP) and zinc ions. Through the
pyrolysis of ZnTPyP precursors, remarkable carbon microtubes with hexagonal cross-section
are prepared. The formation of carbon microtubes are evidenced by X-ray diffraction,
Raman spectroscopy, and X-ray photoelectron spectroscopy.
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