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首页> 外文期刊>Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites >Chemical stability of glass with an ultra-thin disordered carbon coating
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Chemical stability of glass with an ultra-thin disordered carbon coating

机译：具有超薄无序碳涂层的玻璃的化学稳定性

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摘要

Uniform nanoscale thin films of disordered carbon, derived from the pyrolysis of organic precursors, have been developed to modify the surface properties of glass. In this study, their chemical and electrochemical properties were examined in detail. The results reveal that the presence of a 3-6 mn thick carbon coating film decreases the surface energy of the glass and increases the water contact angle significantly. The optical transmittance and hydrophobicity do not change even after 10 days of accelerated weathering in a chamber at 85% RH and 85 degrees C. X-ray photorelectron spectroscopy analysis confirms further that the presence of the thin carbon coating has provided a barrier to alkali leaching. DC polarization tests showed that thin carbon films deposited on alkali-free glass and float glasses were highly stable even after repeated cycling in extremely corrosive conditions.
机译：从有机前体的热解中获得的无序碳的均匀纳米级薄膜已被开发出来，以改变玻璃的表面性能。在这项研究中，详细检查了它们的化学和电化学性质。结果表明，厚度为3-6百万的碳涂层膜的存在会降低玻璃的表面能，并显着增加水的接触角。即使在85％RH和85摄氏度的室内加速风化10天后，透光率和疏水性也不会改变。X射线光电子能谱分析进一步证实，薄碳涂层的存在为碱浸提供了屏障。直流极化测试表明，即使在极强腐蚀条件下反复循环，沉积在无碱玻璃和浮法玻璃上的碳薄膜仍高度稳定。

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