Analytical TEM Observation of the Flame-Ablated Surface of Borosilicate-Glass Vials.
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| Title: | Analytical TEM Observation of the Flame-Ablated Surface of Borosilicate-Glass Vials. |
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| Authors: | Mikamoto, K.1 (AUTHOR) mikamotokotono@keio.jp, Takeuchi, M.2 (AUTHOR), Shirakura, A.1 (AUTHOR), Suzuki, T.1 (AUTHOR) |
| Source: | Glass Physics & Chemistry. Mar2021, Vol. 47 Issue 2, p91-96. 6p. |
| Subjects: | Diamond-like carbon, Glass coatings, Borosilicates, Vials, Transmission electron microscopy, X-ray spectroscopy, Freeze-drying, Surface coatings |
| Abstract: | We investigated the effects of the flame-ablation treatment on the inner surface of borosilicate glass vials and the adhesion of fluorinated diamond-like carbon coating to glass vials. Transmission electron microscopy with energy-dispersive X-ray spectroscopy analysis show that the flame-ablation treatment removed the less durable layers that contained sodium borate, which might cause elution and delamination in an aqueous solution, and formed a flat surface. The outermost surface of the flame-ablated inner wall of the vials formed a microcrystal layer containing Na and K. In addition, the flame-ablation treatment improved the adhesion of the coating to the glass vials. The EDX maps show that F derived from the F-DLC coating and Na and K derived from the glass were mixed and formed an interface layer between the F-DLC coating and the glass vial. This result indicates that the flame-ablation treatment is a promising method to improve the adhesion of the coating to borosilicate glass vials. [ABSTRACT FROM AUTHOR] |
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| Database: | Engineering Source |
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