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Morphology-controllable carbon nanocoils (CNCs) are synthesized by thermal chemical vapor deposition using Ni nanoparticle as catalyst prepared by spray-coating method. It is found that, with the increase of number of spray-coating times, the helicity of CNCs increases whereas the average line diameter and coil pitch decrease. Additionally, infrequent Y-junction CNCs and plait-like CNCs are found...
Zeolite Fe–MFI possessing super-micropores has been synthesized by a direct hydrothermal method using potassium hexacyanoferrate(III) as the iron source. The results show that the material has a highly crystalline MFI zeolite structure, displaying a regular structure with ca. 0.7–1.5nm in pore diameter. X-ray absorption spectroscopy results indicated that the iron was present in the form of tetrahedrally...
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