4.6 Article

A facile electrochemical route for fast deposition of featherlike tellurium microstructures

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RSC ADVANCES
卷 2, 期 6, 页码 2340-2345

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ROYAL SOC CHEMISTRY
DOI: 10.1039/c2ra00917j

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  1. National Natural Science Foundation of China [21171005]
  2. Key Foundation of Chinese Ministry of Education [210098]

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In this paper, featherlike t-Te microstructures were synthesized at a large scale via a simple electrochemical deposition route at room temperature, employing Na2TeO3 as a tellurium source in a diluted HNO3 solution without the assistance of any additive. The phase and morphology of the as-prepared product were characterized by means of powder X-ray diffraction (XRD), energy dispersive spectrometry (EDS), (high resolution) transmission electron microscopy (HR/TEM), selected area electron pattern (SAED) and scanning electron microscopy (SEM). Some factors influencing the formation of featherlike t-Te microstructures were systematically investigated, including the deposition current, and the original amounts of Na2TeO3 and HNO3. The time-dependent shape evolution of featherlike t-Te microstructures was investigated. Experiments showed that diluted HNO3 was indispensable in the formation of featherlike t-Te microstructures.

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