Atomic Layer Deposition of ZnO on Multi-walled Carbon Nanotubes and Its Use for Synthesis of CNT-ZnO Heterostructures.
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Abstract
In this article, direct coating of ZnO on PECVD-grown multi-walled carbon nanotubes (MWCNTs) is achieved using atomic layer deposition (ALD). Transmission electron microscopy investigation shows that the deposited ZnO shell is continuous and uniform, in contrast to the previously reported particle morphology. The ZnO layer has a good crystalline quality as indicated by Raman and photoluminescence (PL) measurements. We also show that such ZnO layer can be used as seed layer for subsequent hydrothermal growth of ZnO nanorods, resulting in branched CNT-inorganic hybrid nanostructures. Potentially, this method can also apply to the fabrication of ZnO-based hybrid nanostructures on other carbon nanomaterials.
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Keywords
ZnO, Atomic layer deposition, Carbon nanotubes, Hybrid nanomaterials, Hydrothermal, Solar cells, UNDOPED ZNO, SINGLE, GROWTH, NANOSTRUCTURES, NANOWIRES, GREEN
Journal Title
Nanoscale Res Lett
Conference Name
Journal ISSN
1931-7573
1556-276X
1556-276X
Volume Title
Publisher
Springer Science and Business Media LLC