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Title: 3D printing and chemical dealloying of a hierarchically micro- and nanoporous catalyst for wastewater purification
Authors: Cai, Chao
Guo, Sheng
Li, Boyuan
Tian, Yujia
Qiu, Jasper Chua Dong
Sun, Chen-Nan
Yan, Chunze
Qi, H. Jerry
Zhou, Kun
Keywords: Engineering::Materials
Issue Date: 2021
Source: Cai, C., Guo, S., Li, B., Tian, Y., Qiu, J. C. D., Sun, C., Yan, C., Qi, H. J. & Zhou, K. (2021). 3D printing and chemical dealloying of a hierarchically micro- and nanoporous catalyst for wastewater purification. ACS Applied Materials and Interfaces, 13(41), 48709-48719.
Journal: ACS Applied Materials and Interfaces 
Abstract: Hierarchically porous-structured materials show tremendous potential for catalytic applications. In this work, a facile method through the combination of three-dimensional (3D) printing and chemical dealloying was employed to synthesize a nanoporous-copper-encapsulating microporous-diamond-cellular-structure (NPC@DCS) catalyst. The developed NPC@DCS catalyst was utilized as a heterogeneous photo-Fenton-like catalyst where its catalytic applications in the remediation of organic wastewater were exemplified. The experimental results demonstrated that the NPC@DCS catalyst possessed a remarkable degradation efficiency in the removal of rhodamine B with a reaction rate of 8.24 × 10-2 min-1 and displayed attractive stability, durability, mineralization capability, and versatility. This work not only manifests the applicability of the proposed NPC@DCS catalyst for wastewater purification in practical applications but also is anticipated to inspire the incorporation of the 3D printing technology and chemical synthesis to design high-performance metal catalysts with tunable hierarchical micro- and nanopores for functional applications.
ISSN: 1944-8244
DOI: 10.1021/acsami.1c14076
Schools: School of Mechanical and Aerospace Engineering 
Research Centres: Singapore Centre for 3D Printing 
Environmental Process Modelling Centre 
Nanyang Environment and Water Research Institute 
Rights: © 2021 American Chemical Society. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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