TY - JOUR
T1 - Room-Temperature Synthesis of Two-Dimensional Metal-Organic Frameworks with Controllable Size and Functionality for Enhanced CO2 Sorption
AU - Zha, Jie
AU - Zhang, Xueyi
N1 - Funding Information:
The authors acknowledge the financial support from the Department of Chemical Engineering and the Institute for Natural Gas Research (INGaR) at the Pennsylvania State University, and the DOE-NETL University Coalition for Fossil Energy Research (UCFER) under DOE Award Number DE-FE0026825. Materials characterization was performed at the Materials Characterization Laboratory, which is a partner in the National Nanotechnology Infrastructure Network (NNIN) and the Materials Research Facilities Network (MRFN), supported by the U.S. National Science Foundation (Award DMR-1420620).
Funding Information:
*E-mail: [email protected]. Phone: 814-865-9746. ORCID Jie Zha: 0000-0003-2735-7512 Xueyi Zhang: 0000-0002-3790-5116 Notes This report was prepared as an account of work sponsored by an agency of the United States Government. Neither the United States Government nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe privately owned rights. Reference herein to any specific commercial product, process, or service by trade name, trademark, manufacturer, or otherwise does not necessarily constitute or imply its endorsement, recommendation, or favoring by the United Sates Government or any agency thereof. The views and opinions of authors expressed herein do not necessarily state or reflect those of the United States Government or any agency thereof. The authors declare no competing financial interest.
Publisher Copyright:
© 2018 American Chemical Society.
PY - 2018/5/2
Y1 - 2018/5/2
N2 - Two-dimensional (2D) metal-organic frameworks (MOFs), as a newly emerged member of 2D materials, have gained extensive attention due to their great potential in gas separation, sensing, and catalysis. However, it is still challenging to synthesize 2D MOFs with controllable size and functionalities using direct and scalable approaches at mild conditions (e.g., room temperature). Herein, we demonstrated one-step, room-temperature synthesis of a series of 2D MOFs based on Cu(II) paddle-wheel units, where the intrinsically anisotropic building blocks led to the anisotropic growth of 2D MOF nanoparticles, and the pillared structure led to high surface areas. The size of 2D MOFs can be adjusted by using a DMF/H2O mixed solvent. The thinnest particles were around 3 nm, and the highest aspect ratio was up to 200. The functionalization of 2D MOFs was also achieved by selecting ligands with desired functional groups. The gas sorption results revealed that amino and nitro-functionalized 2D MOFs showed higher CO2 sorption selectivity over CH4 and N2, suggesting these materials can be further applied in natural gas sweetening (CO2/CH4 separation) and carbon capture from flue gas (CO2/N2 separation).
AB - Two-dimensional (2D) metal-organic frameworks (MOFs), as a newly emerged member of 2D materials, have gained extensive attention due to their great potential in gas separation, sensing, and catalysis. However, it is still challenging to synthesize 2D MOFs with controllable size and functionalities using direct and scalable approaches at mild conditions (e.g., room temperature). Herein, we demonstrated one-step, room-temperature synthesis of a series of 2D MOFs based on Cu(II) paddle-wheel units, where the intrinsically anisotropic building blocks led to the anisotropic growth of 2D MOF nanoparticles, and the pillared structure led to high surface areas. The size of 2D MOFs can be adjusted by using a DMF/H2O mixed solvent. The thinnest particles were around 3 nm, and the highest aspect ratio was up to 200. The functionalization of 2D MOFs was also achieved by selecting ligands with desired functional groups. The gas sorption results revealed that amino and nitro-functionalized 2D MOFs showed higher CO2 sorption selectivity over CH4 and N2, suggesting these materials can be further applied in natural gas sweetening (CO2/CH4 separation) and carbon capture from flue gas (CO2/N2 separation).
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U2 - 10.1021/acs.cgd.8b00349
DO - 10.1021/acs.cgd.8b00349
M3 - Article
AN - SCOPUS:85046435615
SN - 1528-7483
VL - 18
SP - 3209
EP - 3214
JO - Crystal Growth and Design
JF - Crystal Growth and Design
IS - 5
ER -