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Article

Role of Nanocrystallites of Al-Based Glasses and H2O2 in Degradation Azo Dyes

1
Key Laboratory for Liquid-Solid Structural Evolution and Processing of Materials (Ministry of Education), School of Materials Science and Engineering, Shandong University, Jinan 250061, China
2
Department of Nanotechnology and Advanced Materials Engineering, Sejong University, 98 Gunja-dong, Gwangjin-gu, Seoul 143-747, Korea
*
Author to whom correspondence should be addressed.
Received: 11 November 2020 / Revised: 16 December 2020 / Accepted: 22 December 2020 / Published: 24 December 2020
Al-based metallic glasses have a special atomic structure and should have a unique degradation ability in azo dye solutions. The Al88Ni9Y3 (Y3), Al85Ni9Y6 (Y6) and Al82Ni9Y9 (Y9) glassy ribbons are melt spun and used in degrading methyl orange (MO) azo dye solution with adding H2O2. With increasing cY, the as-spun ribbons have an increasing GFA (glass formability) and gradually decreased the degradation rate of MO solution. TEM (transmission electron microscopy) results show that the Y3 ribbon has nano-scale crystallites, which may form the channels to transport elements to the surface for degrading the MO solution. After adding H2O2, the degradation efficiency of Al-based glasses is improved and the Y6 ribbon has formed nano-scale crystallites embedded in the amorphous matrix and it has the largest improvement in MO solution degradation. These results indicate that forming nano-scale crystallites and adding H2O2 are effective methods to improve the degradation ability of Al-based glasses in azo dye solutions. View Full-Text
Keywords: Al-based glasses; methyl orange dye; nano-scale crystallites; H2O2 Al-based glasses; methyl orange dye; nano-scale crystallites; H2O2
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MDPI and ACS Style

Chen, Q.; Yan, Z.; Zhang, H.; Kim, K.; Wang, W. Role of Nanocrystallites of Al-Based Glasses and H2O2 in Degradation Azo Dyes. Materials 2021, 14, 39. https://0-doi-org.brum.beds.ac.uk/10.3390/ma14010039

AMA Style

Chen Q, Yan Z, Zhang H, Kim K, Wang W. Role of Nanocrystallites of Al-Based Glasses and H2O2 in Degradation Azo Dyes. Materials. 2021; 14(1):39. https://0-doi-org.brum.beds.ac.uk/10.3390/ma14010039

Chicago/Turabian Style

Chen, Qi, Zhicheng Yan, Hao Zhang, KiBuem Kim, and Weimin Wang. 2021. "Role of Nanocrystallites of Al-Based Glasses and H2O2 in Degradation Azo Dyes" Materials 14, no. 1: 39. https://0-doi-org.brum.beds.ac.uk/10.3390/ma14010039

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