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MXene-Carbon Nanotube Hybrid Membrane for Robust Recovery of Au from Trace-Level Solution
Wang, Chunmei; Cheng, Renfei; Hou, Peng-Xiang; Ma, Yonghui; Majeed, Abdul; Wang, Xiaohui; Liu, Chang
2020-09-23
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume12Issue:38Pages:43032-43041
AbstractThe use of precious metals in many areas, such as printed circuit boards, catalysts, and targeted drugs, is increasing due to their unique physical and chemical properties, but their recovery remains a great challenge. Here, we report a sandwiched Ti3C2Tx MXene/carbon nanotube (CNT) hybrid membrane, where the CNT isolates and supports the MXene sheets, which act as a reducing agent. The hybrid membrane shows excellent ability to capture precious metal ions in solution with a high flux. The water permeability of the membrane reaches 437.6 L m(-2) h(-1) bar(-1) (2.46 x 10(-18) m(2)), about 202 times higher than that of a pure Ti3C2Tx membrane, and captures 99.8% Au(III) from a solution with an extremely low concentration of 20 ppm. The desirable precious metal trapping capability of the Ti3C2Tx-CNT film is due to the high redox activity of C-Ti-OH. This work provides an efficient way for the recovery of precious metal ions from wastewater.
DOI10.1021/acsami.0c09310
WOS IDWOS:000575557800062
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82513
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wang, Chunmei,Cheng, Renfei,Hou, Peng-Xiang,et al. MXene-Carbon Nanotube Hybrid Membrane for Robust Recovery of Au from Trace-Level Solution[J]. ACS APPLIED MATERIALS & INTERFACES,2020,12(38):43032-43041.
APA Wang, Chunmei.,Cheng, Renfei.,Hou, Peng-Xiang.,Ma, Yonghui.,Majeed, Abdul.,...&Liu, Chang.(2020).MXene-Carbon Nanotube Hybrid Membrane for Robust Recovery of Au from Trace-Level Solution.ACS APPLIED MATERIALS & INTERFACES,12(38),43032-43041.
MLA Wang, Chunmei,et al."MXene-Carbon Nanotube Hybrid Membrane for Robust Recovery of Au from Trace-Level Solution".ACS APPLIED MATERIALS & INTERFACES 12.38(2020):43032-43041.
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