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http://hdl.handle.net/10397/106434
Title: | Attractive in situ self-reconstructed hierarchical gradient structure of metallic glass for high efficiency and remarkable stability in catalytic performance | Authors: | Jia, Z Wang, Q Sun, L Wang, Q Zhang, LC Wu, G Luan, JH Jiao, ZB Wang, A Liang, SX Gu, M Lu, J |
Issue Date: | 9-May-2019 | Source: | Advanced functional materials, 9 May 2019, v. 29, no. 19, 1807857 | Abstract: | Metallic glass (MG), with the superiorities of unique disordered atomic structure and intrinsic chemical heterogeneity, is a new promising and competitive member in the family of environmental catalysts. However, what is at stake for MG catalysts is that their high catalytic efficiency is always accompanied by low stability and the disordered atomic configurations, as well as the structural evolution, related to catalytic performance, which raises a primary obstacle for their widespread applications. Herein, a non-noble and multicomponent Fe83Si2B11P3C1 MG catalyst that presents a fascinating catalytic efficiency while maintaining remarkable stability for wastewater remediation is developed. Results indicate that the excellent efficiency of the MG catalysts is ascribed to a unique atomic coordination that causes an electronic delocalization with an enhanced electron transfer. More importantly, the in situ self-reconstructed hierarchical gradient structure, which comprises a top porous sponge layer and a thin amorphous oxide interfacial layer encapsulating the MG surface, provides matrix protection together with high permeability and more active sites. This work uncovers a new strategy for designing high-performance non-noble metallic catalysts with respect to structural evolution and alteration of electronic properties, establishing a solid foundation in widespread catalytic applications. | Keywords: | Atomic configuration Environmental remediation Hierarchical structure Metallic glasses Stability |
Publisher: | Wiley-VCH Verlag GmbH & Co. KGaA | Journal: | Advanced functional materials | ISSN: | 1616-301X | EISSN: | 1616-3028 | DOI: | 10.1002/adfm.201807857 | Rights: | © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim This is the peer reviewed version of the following article: Jia, Z., Wang, Q., Sun, L., Wang, Q., Zhang, L. C., Wu, G., ... & Lu, J. (2019). Attractive in situ self‐reconstructed hierarchical gradient structure of metallic glass for high efficiency and remarkable stability in catalytic performance. Advanced Functional Materials, 29(19), 1807857, which has been published in final form at https://doi.org/10.1002/adfm.201807857. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions. This article may not be enhanced, enriched or otherwise transformed into a derivative work, without express permission from Wiley or by statutory rights under applicable legislation. Copyright notices must not be removed, obscured or modified. The article must be linked to Wiley’s version of record on Wiley Online Library and any embedding, framing or otherwise making available the article or pages thereof by third parties from platforms, services and websites other than Wiley Online Library must be prohibited. |
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Jiao_Attractive_Situ_Self-Reconstructed.pdf | Pre-Published version | 1.02 MB | Adobe PDF | View/Open |
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