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. vol.119, no.37, pp.21353-21357 (2015)
http://dx.doi.org/10.1021/acs.jpcc.5b05827
26. 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/N-2 Mixture Gas"
AICHE J., vol.61, no.3, pp.1004-1014 (2015)
http://dx.doi.org/10.1002/aic.14687
25. D.-Y. Koh, H. kang, H. Lee*, "Reactive radical cation transfer in the cages of icy clathrate hydrates"
Korean J. Chem. Eng., vol.32, no.2, pp.350-353, (2015)
http://dx.doi.org/10.1007/s11814-014-0280-3
24. 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, vol.60, no.2, pp.238~246, (2015)
http://dx.doi.org/10.1021/je5005092
23. H. Kang, D.-Y. Koh, H. Lee*, "Nondestructive natural gas hydrate recovery driven by air and carbon dioxide"
Sci. Reps., vol.4, Article number: 6616 (2014)
H.K and D.Y.K contributed equally
http://dx.doi.org/10.1038/srep06616
22. S. Park, D.-Y. Koh, H. Kang, J. W. Lee, H. Lee*, "Effect of Molecular Nitrogen on Multiple Hydrogen Occupancy in Clathrate Hydrates"J
J. Phys. Chem. C. 118(35), pp.20203~20208, (2014).
http://dx.doi.org/10.1021/jp5061254
21. Koh, DY; Kang, H; Park, YJ; Lee, H; "Effect of thermal history on lattice expansion and guest distribution of tetrahydrofuran clathrate hydrate with air molecules", CHEMICAL PHYSICS LETTERS, vol.597, pp.16~19, 2014.03; DOI(http://dx.doi.org/10.1016/j.cplett.2014.02.011)
20. Koh, DY; Kang, H; Jeon, J; Ahn, YH; Park, YJ; Kim, HG; Lee, H; "Tuning Cage Dimension in Clathrate Hydrates for Hydrogen Multiple Occupancy", JOURNAL OF PHYSICAL CHEMISTRY C, vol.118, no.6, pp.3324~3330, 2014.02; DOI(http://dx.doi.org/10.1021/jp410632q)
19. Kang, H; Jung, SH; Koh, DY; Ahn, YH; Park, S; Park, JH; Lee, H; "Physicochemical properties of semi-clathrate hydrates as revealed by terahertz time-domain spectroscopy", CHEMICAL PHYSICS LETTERS, vol.587, pp.14~19, 2013.11; DOI(http://dx.doi.org/10.1016/j.cplett.2013.09.041)
18. Koh, DY; Kang, HR; Lee, H; "Multiple guest occupancy in clathrate hydrates and its significance in hydrogen storage", CHEMICAL COMMUNICATIONS, vol.49, no.60, pp.6782~6784, 2013.06; DOI(http://dx.doi.org/10.1039/c3cc43376e)
17. Koh, DY; Kang, HR; Park, JW; Jung, SH; Han, DH; Park, JH; Lee, H; "Guest molecule dynamics and guest-specific degassing phenomenon of binary gas hydrate investigated by terahertz time-domain spectroscopy", RSC ADVANCES, vol.3, no.23, pp.8857~8863, 2013.04; DOI(http://dx.doi.org/10.1039/c3ra40516h)
16. Shin, WC; Park, S; Ro, H; Koh, DY; Seol, JW; Lee, H; "Spectroscopic Confirmation of Metastable Structure Formation Occurring in Natural Gas Hydrates", CHEMISTRY-AN ASIAN JOURNAL, vol.7, no.10, pp.2235~2238, 2012.10; DOI(http://dx.doi.org/10.1002/asia.201200040)
15. Koh, DY; Kang, HR; Kim, DO; Park, JW; Cha, MJ; Lee, H; "Recovery of Methane from Gas Hydrates Intercalated within Natural Sediments Using CO2 and a CO2/N2 Gas Mixture", CHEMSUSCHEM, vol.5, no.8, pp.1443~1448, 2012.08; DOI(http://dx.doi.org/10.1002/cssc.201100644)
14. Shin, WC; Park, SM; Lee, JW; Seo, YW; Koh, DY; Seol, JW; Lee, H; "Structure Transition from Semi- to True Clathrate Hydrates Induced by CH4 Enclathration", JOURNAL OF PHYSICAL CHEMISTRY C, vol.116, no.31, pp.16352~16357, 2012.08; DOI(http://dx.doi.org/10.1021/jp303719r)
13. Koh, DY; Kang, HR; Park, JW; Shin, WC; Lee, H; "Atomic Hydrogen Production from Semi-clathrate Hydrates", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol.134, no.12, pp.5560~5562, 2012.03; DOI(http://dx.doi.org/10.1021/ja300567b)
12. Shin, WC; Park, SM; Ro, HY; Koh, DY; Seol, JW; Lee, H; "Phase equilibrium measurements and the tuning behavior of new sII clathrate hydrates", JOURNAL OF CHEMICAL THERMODYNAMICS, vol.44, no.1, pp.20~25, 2012.01; DOI(http://dx.doi.org/10.1016/j.jct.2011.08.018)
11. Seol, JW; Shin, WC; Koh, DY; Kang, HR; Sung, BR; Lee, H; "Spectroscopic Observation of Na Cations Entrapped in Small Cages of sII Propane Hydrate", JOURNAL OF PHYSICAL CHEMISTRY C, vol.116, no.1, pp.1439~1444, 2012.01; DOI(http://dx.doi.org/10.1021/jp207450e)
10. Seol, JW; Koh, DY; Cha, MJ; Shin, WC; Lee, YJ; Kim, JH; Lee, JH; Lee, H; "Experimental Verification of Anomalous Chloride Enrichment Related to Methane Hydrate Formation in Deep-Sea Sediments", AICHE JOURNAL, vol.58, no.1, pp.322~328, 2012.01; DOI(http://dx.doi.org/10.1002/aic.12555)
9. Shin, WC; Park, SM; Koh, DY; Seol, JW; Ro, HY; Lee, H; "Water-Soluble Structure H Clathrate Hydrate Formers", JOURNAL OF PHYSICAL CHEMISTRY C, vol.115, no.38, pp.18885~18889, 2011.09
8. Yeon, SH; Seol, JW; Koh, DY; Seo, YJ; Park, KP; Huh, DG; Lee, JH; Lee, H; "Abnormal methane occupancy of natural gas hydrates in deep sea floor sediments", ENERGY & ENVIRONMENTAL SCIENCE, vol.4, no.2, pp.421~424, 2011.02; DOI(http://dx.doi.org/10.1039/c0ee00355g)
7. Shin, KC; Lee, WH; Cha, MJ; Koh, DY; Choi, YN; Lee, HJ; Son, BS; Lee, SS; Lee, H; "Thermal Expansivity of Ionic Clathrate Hydrates Including Gaseous Guest Molecules", JOURNAL OF PHYSICAL CHEMISTRY B, vol.115, no.5, pp.958~963, 2011.02; DOI(http://dx.doi.org/10.1021/jp110737q)
6. Shin, WC; Shin, KC; Seol, JW; Koh, DY; Park, SM; Lee, H; "Metastability of Ethane Clathrate Hydrate Induced by [Co(NH3)(6)](3+) Complex", JOURNAL OF PHYSICAL CHEMISTRY C, vol.115, no.5, pp.2558~2562, 2011.02; DOI(http://dx.doi.org/10.1021/jp1094273)
5. Seol, JW; Lee, JW; Shin, WC; Koh, DY; Lee, JH; Lee, H; "Generalized Cage Occupancy Behavior in the Binary Clathrate Hydrates", JOURNAL OF PHYSICAL CHEMISTRY C, vol.114, no.41, pp.17960~17963, 2010.10; DOI(http://dx.doi.org/10.1021/jp105397k)
4. Cha, MJ; Shin, KC; Kwon, MC; Koh, DY; Sung, BR; Lee, H; "Superoxide Ions Entrapped in Water Cages of Ionic Clathrate Hydrates", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol.132, no.11, pp.3694~+, 2010.03; DOI(http://dx.doi.org/10.1021/ja1004762)
3. Seo, YJ; Seol, JW; Yeon, SH; Koh, DY; Cha, MJ; Kang, SP; Seo, YT; Bahk, JJ; Lee, JH; Lee, H; "Structural, Mineralogical, and Rheological Properties of Methane Hydrates in Smectite Clays", JOURNAL OF CHEMICAL AND ENGINEERING DATA, vol.54, no.4, pp.1284~1291, 2009.04; DOI(http://dx.doi.org/10.1021/je800833y)
2. Yeon, SH; Seol, JW; Seo, YJ; Park, YJ; Koh, DY; Park, KP; Huh, DG; Lee, JH; Lee, H; "Effect of Interlayer Ions on Methane Hydrate Formation in Clay Sediments", JOURNAL OF PHYSICAL CHEMISTRY B, vol.113, no.5, pp.1245~1248, 2009.02; DOI(http://dx.doi.org/10.1021/jp810079c)
1. Yeon, SH; Seol, JW; Park, YJ; Koh, DY; Kang, YS; Lee, H; "Spectroscopic observation of atomic hydrogen radicals entrapped in icy hydrogen hydrate", JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, vol.130, no.29, pp.9208~9208, 2008.07; DOI(http://dx.doi.org/10.1021/ja802952p)