The DOI matches its Crossref record; 33 of the 33 references it cites were found in a registry or an index.
Two-Dimensional Ti3C2Tx MXene Nanosheets for Efficient Copper Removal from Water
Abstract
The performance of two-dimensional (2D) Ti 3 C 2 T x MXene nanosheets in the adsorption and copper removal from aqueous media was investigated. Delaminated (DL)-Ti 3 C 2 T x exhibited excellent Cu removal ability, because of their large specific surface area, hydrophilicity, and unique surface functional properties. Scanning electron microscopy coupled with energy-dispersive spectroscopy (SEM–EDS), transmission electron microscopy (TEM), Brunauer–Emmett–Teller (BET), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD) analyses were performed to analyze the structural changes in Ti 3 C 2 T x MXene and its interaction with Cu ions. Oxygenated moieties in the layered structure of MXene facilitated reductive adsorption of Cu 2+ forming Cu 2 O and CuO species. DL-Ti 3 C 2 T x exhibited a higher and faster Cu uptake, compared to multilayer (ML)-Ti 3 C 2 T x . The maximum experimental adsorption capacity ( Q exp,max ) was 78.45 mg g –1, and 80% of the total content of metal ions was adsorbed within 1 min. A pseudo-second-order kinetic model and the Freundlich adsorption isotherm accurately describe the equilibrium time and maximum Cu uptake onto the adsorbent material, respectively. Thermodynamic analysis revealed that the adsorption process was endothermic. The adsorption capacity ( Q e ) of DL-Ti 3 C 2 T x was 2.7 times higher than that of a commercially available activated carbon. The present results illustrate the promising potential of 2D MXene nanosheets for the removal of toxic metals from water.
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Cites
Conductive two-dimensional titanium carbide ‘clay’ with high volumetric capacitance
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Intercalation and delamination of layered carbides and carbonitrides
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Flexible and conductive MXene films and nanocomposites with high capacitance
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Cited by
Chai, W. S., Cheun, J. Y., Kumar, P. S., Mubashir, M., Majeed, Z., Banat, F., Ho, S.-H., & Show, P. L. (2021) · Journal of Cleaner Production · doi:10.1016/j.jclepro.2021.126589 · Cited by 1,275
Heavy Metal Water Pollution: A Fresh Look about Hazards, Novel and Conventional Remediation Methods
Zamora-Ledezma, C., Negrete-Bolagay, D., Figueroa, F., Zamora-Ledezma, E., Ni, M., Alexis, F., & Guerrero, V. H. (2021) · Environmental Technology & Innovation · doi:10.1016/j.eti.2021.101504 · Cited by 1,246
MXenes as emerging nanomaterials in water purification and environmental remediation
Yu, S., Tang, H., Zhang, D., Wang, S., Qiu, M., Song, G., Fu, D., Hu, B., & Wang, X. (2022) · Science of The Total Environment · doi:10.1016/j.scitotenv.2021.152280 · Cited by 445
Potential of MXenes in Water Desalination: Current Status and Perspectives
Ihsanullah, I. (2020) · Nano-Micro Letters · doi:10.1007/s40820-020-0411-9 · Cited by 281
MXenes and Their Applications in Wearable Sensors
Xin, M., Li, J., Ma, Z., Pan, L., & Shi, Y. (2020) · Frontiers in Chemistry · doi:10.3389/fchem.2020.00297 · Cited by 246
Metadata
- Authors
- Shahzad, A., Rasool, K., Miran, W., Nawaz, M., Jang, J., Mahmoud, K. A., & Lee, D. S.
- Venue
- ACS Sustainable Chemistry & Engineering
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-11-08
- Volume
- 5
- Issue
- 12
- Pages
- 11481-11488
- ISSN
- 2168-0485 (ISSN-L)
- OpenAlex
- W2765783865
- Cited by
- 478
- References
- 33
- FWCI
- 14.62
- Type
- journal article
- Language
- en
- Open access
- closed
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- Shahzad, A., Rasool, K., Miran, W., Nawaz, M., Jang, J., Mahmoud, K. A., & Lee, D. S. (2017). Two-Dimensional Ti3C2Tx MXene Nanosheets for Efficient Copper Removal from Water. ACS Sustainable Chemistry & Engineering. https://doi.org/10.1021/acssuschemeng.7b02695
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