48. C. Chuah, K. Kim, J. Lee, D.-Y. Koh*, T. H. Bae* "CO2 absorption using membrane contactors; recent progress and future perspective" Ind. Eng. Chem. Res., 59 (15) 6773-6794 (2019)

47. K. Kim, D.-Y. Koh* "Aging: Degradation of Permeability in Microporous Polymeric Membranes" Membr. J., 29 (4) 191-201 (2019)

46. A. Chae, H. Jang, D.-Y. Koh, C.-M. Yang, Y.-K. Kim* "Exfoliated MXene as a mediator for efficient laser desorption/ionization mass spectrometry analysis of various analytes" Talanta, 209 (120531) (2019)

45. Y.-H Ahn, S. Moon, D.-Y. Koh, S Hong, H Lee, J. W. Lee*, Y Park* "One-step formation of hydrogen clusters in clathrate hydrates stabilized via natural gas blending" Energy Storage Mater., 24, 655-661 (2019)

44. T. H. Hyun, J. Jeong, A. Chae, Y. K. Kim*, D.-Y. Koh*, "2D-Enabled Membranes: Materials and Beyond" BMC Chemical Engineering, 1 (1): 12 (2019)

43. S. Yang, Y.-H. Kwon, D.-Y. Koh, B. Min, Y. Liu, S. Nair*, "Highly Selective SSZ‐13 Zeolite Hollow Fiber Membranes by Ultraviolet Activation at Near‐Ambient Temperature", ChemNanoMat, in press (2019)

42. A. R. Sujan, D.-Y. Koh, G. Zhu, V. P. Babu, N. Stephenson, A. Rosinski, H. Du, Y. Luo, W. J. Koros, R. P. Lively* "High-Temperature Activation of Zeolite-Loaded Fiber Sorbents", Ind. Eng. Chem. Res., 57(34): 11757-11766 (2018)

41. Y.-H. Kwon, B. Min, S. Yang, D.-Y. Koh, R. R. Bhave, S. Nair*, "Ion-Exchanged SAPO-34 Membranes for Krypton–Xenon Separation: Control of Permeation Properties and Fabrication of Hollow Fiber Membranes" ACS Appl. Mat. Interfaces, 10(7): 6361-6368 (2018)

40. D.-Y. Koh, B. R. Pimentel, V. Pandianbabu, S. W. Chai, A. Rosinski, N. Stephenson, R. P. Lively*, "Sub-Ambient Air Separation via Li+ Exchanged Zeolite", Micropor. Mesopor. Mat., 250:140-146 (2018)

39. K. Eum†, C. Ma†, D.-Y. Koh†, F. Rashidi, C. Jones, R. P. Lively*, S. Nair*, "Zeolitic Imidazolate Framework Membranes on Macroporous Carbon Hollow Fibers by Fluidic Processing Techniques", Adv. Mat. Interfaces, 4(12):1700080 (2017) †Equal Contribution [Selected as a VIP paper]

38. M. L. Jue, D.-Y. Koh, B. A. McCool, R. P. Lively*, " Enabling Widespread Use of Microporous Materials for Challenging Organic Solvent Separations", Chem. Mat., 29(23): 9863-9876 (2017)

37. S. Moon, Y.-H. Ahn, H. Kim, S. J. Hong, D.-Y. Koh, Y. Park*, "Secondary Gaseous Guest-Dependent Structures of Binary Neopentyl Alcohol Hydrates and Their Tuning Behavior For Potential Application to CO2 Capture" Chem. Eng. J., 350: 890-898 (2017)

36. D.-Y. Koh, B. A. McCool, H. Deckman, R. P. Lively*, "Reverse Osmosis Molecular Differentiation of Organic Liquids using Carbon Molecular Sieve Membranes", Science, 353(6301): 804-807 (2016)

35. H. Kang, Y.-H. Ahn, D.-Y. Koh, S. Baek, J. W. Lee, H. Lee*, "Rapid Clathrate Hydrate Formation Using a Heavy Guest Molecule with Sodium Dodecyl Sulfate", Ind. Eng. Chem. Res., 55(21): 6079-6084 (2016)

34. Y. Park, D.-Y. Koh, S.-H. Yeon, H. Lee*, "Tuning Magnetism via Selective Injection into Ice-like Clathrate Hydrates", Korean J. Chem. Eng., 33(5): 1706-1711 (2016)

33. Y.-H. Ahn, H. Kang, D.-Y. Koh, H. Lee*, "Experimental Verifications of Mpemba-like Behaviors of Clathrate Hydrates", Korean J. Chem. Eng., 33(6): 1903-1907 (2016)

32. H. Kang, Y.-H. Ahn, D.-Y. Koh, H. Lee*, "Thermodynamic and Spectroscopic Identification of Aldehyde Hydrates" Korean J. Chem. Eng., 33(6): 1897-1902 (2016)

31. Y.-H. Ahn, H. Kang, D.-Y. Koh, Y. Park, H. Lee*, "Gas Hydrate Inhibition by 3-Hydroxytetrahydrofuran: Spectroscopic Identifications and Hydrate Phase Equilibria", Fluid Phase Equilibria, 413: 65-70 (2016)

30. Y.-J. Seo, D. Kim, D.-Y. Koh, J. Y. Lee, T. Ahn, S.-J. Kim, J. Lee*, H. Lee*, "Soaking Process for the Enhanced Methane Recovery of Gas Hydrates via CO2/N2 Gas Injection", Energy & Fuels, 29(12): 8143-8150 (2016)

29. D.-Y. Koh, H. Kang, J.-W. Lee, Y. Park, S.-J. Kim, J. Y. Lee, J. Lee, H. Lee*, "Energy-Efficient Natural Gas Hydrate Production Using Gas Exchange", Applied Energy, 162: 114-130 (2016)

28. D.-Y. Koh, R. P. Lively*, "Nanoporous graphene: Membranes at the limit", Nature Nanotechnology, News & Views Review Article, 10: 385–386 (2015)

27. H. Kang, Y.-H. Ahn, D.-Y. Koh, S. Kim, J. Park, H. Lee*, "Optical Interpretation of the Chemical Process of CH4-CO2 Exchange and its Application to Gas Hydrate Production", J. Phys. Chem. C., 119 (37):21353-21357 (2015)

26. H. Kang, D.-Y. Koh, Y.-H. Ahn, S. Jung, J. Park, J. Lee, H. Lee*, "Optical Properties of Tetrahydrofuran Clathrate Hydrates with Polyvinylpyrrolidone (THF + H2O + PVP) Revealed by Terahertz (THz) Time-Domain Spectroscopy", J. Chem. Eng. Data, 60 (2): 238-246 (2015)

25. D.-Y. Koh, H. Kang, H. Lee*,"Reactive Radical Cation Transfer in the Cages of Icy Clathrate Hydrates", Korean J. Chem. Eng., 32 (2): 350-353 (2015)

24. D.-Y. Koh, Y.-H. Ahn, H. Kang, S. Park, J. Y. Lee, S.-J. Kim, J. Lee*, H. Lee*, "One‐dimensional productivity assessment for on‐field methane hydrate production using CO2/N2 mixture gas ", AIChE J., 61 (3): 1004-1014 (2015)

23. S. Park, D.-Y. Koh, H. Kang, J. W. Lee*, H. Lee*, "Effect of Molecular Nitrogen on Multiple Hydrogen Occupancy in Clathrate Hydrates", J. Phys. Chem. C, 118: 20203-20208 (2014)

22. H. Kang†, D.-Y. Koh†, H. Lee*, "Nondestructive Gas Hydrate Production Driven by Air and Carbon Dioxide", Sci. Reps. 4: 6616 (2014) †Equal contribution

21. D.-Y. Koh, H. Kang, Y. Park, H. Lee*, "Effect of thermal history on lattice expansion and guest distribution of tetrahydrofuran clathrate hydrate with air molecules", Chem. Phys. Lett., 597: 16-19 (2014)

20. D.-Y. Koh, H. Kang, J. Jeon, Y. Park, H. Kim*, H. Lee*, "Tuning Cage Dimension in Clathrate Hydrates for Hydrogen Multiple Occupancy", J. Phys. Chem. C. 118 (6): 3324-3330 (2014) Featured as a Cover Paper

19. D.-Y. Koh, H. Kang, H. Lee*, "Multiple Guest Occupancy in Clathrate Hydrates and Its Significance to Hydrogen Storage", Chem. Commun., 49 (60): 6782-6784 (2013)

18. D.-Y. Koh, H. Kang, J. Park, S. Jung, D. Han, J. Park, H. Lee*, "Guest dynamics and thermal behavior of THF + gaseous guest hydrate investigated by Terahertz time-domain spectroscopy", RSC Advances, 3(23): 8857-8863 (2013)

17. H. Kang, D.-Y. Koh, S. Jung, Y.-H. Ahn, S. Park, J. Park, H. Lee*, "Physicochemical Properties of Semi-clathrate Hydrates as revealed by Terahertz Spectroscopy", Chem. Phys. Lett., 587: 14-19 (2013)

16. D.-Y. Koh, H. Kang, J. Park, W. Shin, H. Lee*, "Atomic Hydrogen Production from Semi-Clathrate Hydrate", J. Am. Chem. Soc., 134 (12): 5560–5562 (2012)

15. D.-Y. Koh, H. Kang, D.-O. Kim, J. Park, M. Cha, H. Lee*, "Recovery of Methane from Gas Hydrate Intercalated within Natural Sediment Using CO2 and a CO2/N2 Gas Mixture", ChemSusChem, 5 (8): 1443-1448 (2012)

14. J. Seol, W. Shin, D.-Y. Koh, H. Kang, B. Sung, H. Lee*, "Spectroscopic Observation of Na Cations Entrapped in Small Cages of sII Propane Hydrate", J. Phys. Chem. C, 116: 1439-1444 (2012)

13. W. Shin, S. Park, J.-W. Lee, Y. Seo, D.-Y. Koh, J. Seol, H. Lee*, "Structure Transition from Semi- to True Clathrate Hydrates Induced by CH4 Enclathration", J. Phys. Chem. C, 116: 16352-16357 (2012)

12. W. Shin, S. Park, H. Ro, D.-Y. Koh, J. Seol, H. Lee*, "Spectroscopic Confirmation of Metastable Structure Formation Occurring in Natural Gas Hydrates", Chemistry – an Asian J., 7: 2235-2238 (2012)

11. W. Shin, S. Park, H. Ro, D.-Y. Koh, J. Seol, H. Lee*, "Phase Equilibrium Measurements and the Tuning Behavior of New sII Clathrate Hydrates", J. Chem. Thermodynamics, 44: 20-25 (2012)

10. J. Seol, D.-Y. Koh, M. Cha, W. Shin, Y.-J. Lee, J.-H. Kim, J. Lee, H. Lee*, "Experimental verification of anomalous chloride enrichment related to methane hydrate formation in deep-sea sediments", AIChE J, 58 (1): 322-328 (2011)

9. S.-H. Yeon, J. Seol, D.-Y. Koh, Y.-J. Seo, K.-P. Park, D.-G. Huh, J. Lee, H. Lee*, "Abnormal methane occupancy of natural gas hydrates in deep sea floor sediments", Energy Environ. Sci., 4: 421-424 (2011)

8. K. Shin, W. Lee, M. Cha, D.-Y. Koh, Y. N. Choi, H. Lee, B. S. Son, S. Lee, H. Lee*, "Thermal Expansivity of Ionic Clathrate Hydrates Including Gaseous Guest Molecules", J. Phys. Chem. B, 115 (5): 958–963 (2011)

7. W. Shin, K. Shin, J. Seol, D.-Y. Koh, S. Park, H. Lee*, "Metastability of Ethane Clathrate Hydrate Induced by [Co(NH3)6]3+ Complex", J. Phys. Chem. C, 115 (5): 2558–2562 (2011)

6. W. Shin, S. Park, D.-Y. Koh, J. Seol, H. Ro, H. Lee*, "Water-Soluble Structure H Clathrate Hydrate Formers", J. Phys. Chem. C, 115 (38): 18885–18889 (2011)

5. J. Seol, J.-W. Lee, W. Shin, D.-Y. Koh, J. Lee, H. Lee*, "Generalized Cage Occupancy Behavior in the Binary Clathrate Hydrates", J. Phys. Chem. C., 144 (41): 17960-17963 (2010)

4. M. Cha, K. Shin, M. Kwon, D.-Y. Koh, B. Sung, H. Lee*, "Superoxide Ions Entrapped in Water Cages of Ionic Clathrate Hydrate", J. Am. Chem. Soc., 132: 3694-3696 (2010)

3. Y.-J. Seo, J. Seol, S.-H. Yeon, D.-Y. Koh, M. Cha, S.-P. Kang, Y.-T. Seo, J.-J. Bahk, J. Lee, H. Lee*, "Structural, Mineralogical, and Rheological Properties of Methane Hydrates in Smectite Clays", J. Chem. Eng. Data., 54(4): 1284-1292 (2009)

2. S.-H. Yeon, J. Seol, Y.-J. Seo, Y. Park, D.-Y. Koh, K.-P. Park, D.-G. Huh, J. Lee, H. Lee*, "Effect of Interlayer Ions on Methane Hydrate Formation in Clay Sediments", J. Phys. Chem. B., 5: 1245-1248 (2009)S.-H. Yeon

1. S.-H. Yeon, J. Seol, Y. Park, D.-Y. Koh, Y.-S. Kang, H. Lee*, "Spectroscopic Observation of Atomic Hydrogen Radicals Entrapped in Icy Hydrogen Hydrate", J. Am. Chem. Soc., 29: 9208-9209 (2008)