Chung-Kai Chang

ORCID: 0000-0003-1736-9560
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About
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Research Areas
  • Membrane Separation and Gas Transport
  • Membrane Separation Technologies
  • Metal-Organic Frameworks: Synthesis and Applications
  • MXene and MAX Phase Materials
  • Covalent Organic Framework Applications
  • Plasma Applications and Diagnostics
  • Gas Sensing Nanomaterials and Sensors

National Taiwan University
2020-2023

National Synchrotron Radiation Research Center
2021

Structural flexibility is a critical issue that limits the application of metal-organic framework (MOF) membranes for gas separation. Herein we propose mixed-linker approach to suppress structural CAU-10-based (CAU = Christian-Albrechts-University) membranes. Specifically, pure CAU-10-PDC display high separation performance but at same time are highly unstable CO2/CH4. A partial substitution (30 mol.%) linker PDC with BDC significantly improves its stability. Such an also allows decreasing...

10.1038/s42004-023-00917-2 article EN cc-by Communications Chemistry 2023-06-10

The separation of H2/CH4 or CO2/CH4 is critical to the purification natural gas. Herein, we report on novel membranes with a metal-organic framework CAU-10-PDC for these two mixtures. dense are fabricated porous alumina support using seeded growth method. An unexpected increase in selectivity was observed while testing mixed gas permeation either at molar ratio 50:50. Steady-state reached 101 and 62 CO2/CH4. Ideal measured from single 475 288 Molecular dynamics simulations time-resolved...

10.1016/j.memlet.2021.100005 article EN cc-by Journal of Membrane Science Letters 2021-11-22

Abstract Structural flexibility is a critical issue that limits the applications of MOF membranes for gas separation. Herein we propose mixed-linker approach to suppress structural CAU-10-based membranes. Specifically, pure CAU-10-PDC membrane high separation performance but at same time highly unstable CO 2 /CH 4 . A partial substitution (30 mol.%) linker PDC with BDC significantly improves its stability. Such an also allows aperture size MOFs. The optimized CAU-10-PDC-H (70/30) possesses...

10.21203/rs.3.rs-2486671/v1 preprint EN cc-by Research Square (Research Square) 2023-01-31
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