Papers
1996
55. Deepak Bansilal Akolekar and Ryong Ryoo Titanium incorporated ATS and AFI type aluminophosphate molecular sieves J. Chem. Soc., Faraday Trans. 92, 4617-4621 (1996).
54. Ryong Ryoo, Ji Man Kim, Chang Hyun Ko and Chae Ho Shin Disordered molecular sieve with branched mesoporous channel network J. Phys. Chem. 100, 17718-17721 (1996).
53. Sung June Cho, Wha-Seung Ahn, Suk Bong Hong and Ryong Ryoo Investigation of the platinum cluster size and location on zeolite KL with 129Xe NMR, XAFS, and xenon adsorption J. Phys. Chem. 100, 4996-5003 (1996).
52. Ja Hun Kwak, Sung June Cho and Ryong Ryoo A new synthesis procedure for titanium-containing zeolites under strong alkaline conditions and the catalytic activity for partial oxidation and photocatalytic decomposition Catal. Lett. 37, 217-221 (1996).
51. Ryong Ryoo, Chang Hyun Ko, Ji Man Kim and Russell F. Howe Preparation of nanosize Pt clusters using ion exchange of Pt(NH3)42+ inside mesoporous channel of MCM-41 Catal. Lett. 37, 29-33 (1996).
50. Ji Man Kim and Ryong Ryoo Disintegration of mesoporous structures of MCM-41 and MCM-48 in water Bull. Korean Chem. Soc. 17, 66-68 (1996).
1995
49. Ji Man Kim, Ja Hun Kwak, Shinae Jun and Ryong Ryoo Ion exchange and thermal-stability of MCM-41 J. Phys. Chem. 99, 16742-16747 (1995).
48. Bert M. Weckhuysen, Robert A. Schoonheydt, Jin-Mirn Jehng, Israel E. Wachs, Sung June Cho, Ryong Ryoo, Sjoerd Kijlstra and Eduard Poels Combined DRS-RS-EXAFS-XANES-TPR Study of supported chromium catalysts J. Chem. Soc., Faraday Trans. 91, 3245-3253 (1995).
47. Joong-Whan Lee, Sang-Hwan Lee, Hyung-Joun Yoo, Mu Shik Jhon and Ryong Ryoo Annealing effects in hydrogenated silicon nitride films during high energy ion beam irradiation J. Electrochem. Soc. 142, 3210-3214 (1995).
46. J.-G. Kim, L.-C. de Ménorval, R. Ryoo and F. Figueras 129Xe-NMR study of the zeolite microporosity using a blocking agent to avoid the interparticle xenon diffusion Stud. Surf. Sci. Catal. 94, 226-231 (1995).
45. Shang-Bin Liu, Tien-Sung Lin, Tran-Chin Yang, Tung-Ho Chen, Eng-Chin Hong and Ryong Ryoo EPR and 129Xe NMR studies of copper-exchanged NaY zeolites J. Phys. Chem. 99, 8277-8282 (1995).
44. Ihl Hyun Cho, Sung June Cho, Seung Bin Park and Ryong Ryoo Ru clusters with controlled sizes in NaY zeolite: Catalytic activity for ethane hydrogenolysis and XANES J. Catal. 153, 232-238 (1995).
43. Ryong Ryoo and Ji Man Kim Structural order in MCM-41 controlled by shifting silicate polymerization equilibrium J. Chem. Soc., Chem. Commun. , 711-712 (1995).
42. Chanho Pak and Ryong Ryoo Application of 129Xe NMR spectroscopy and EXAFS to probe the formation of a bimetallic cluster in zeolite Y Appl. Magn. Reson. 8, 475-488 (1995).
41. Joong-Whan Lee, Ryong Ryoo, Mu Shik Jhon and Kyoung-Ik Cho Bond density and physicochemical properties of a hydrogenated silicon nitride film J. Phys. Chem. Solids 56, 293-299 (1995).
40. Ryong Ryoo, Hyotcherl Ihee, Ja Hun Kwak, Gon Seo and Shang-Bin Liu 129Xe Nuclear magnetic resonance study on a solid-state defect in HZSM-5 zeolite Micropor. Mater. 4, 59-64 (1995).
1994
39. Young Kil Kim, Jae Eui Yie, Sung June Cho and Ryong Ryoo Studies on the deactivation-resistant Ru catalyst J. Korean Ind. Eng. Chem. 5, 808-818 (1994).
38. Chanho Pak, Sung June Cho, Jeong Yong Lee and Ryong Ryoo Preparation of iridium clusters in zeolite Y via cation exchange: EXAFS, xenon adsorption, and 129Xe NMR Studies J. Catal. 149, 61-69 (1994).
37. J.-G. Kim, T. Kompany, R. Ryoo, T. Ito and J. Fraissard 129Xe n.m.r. study of Y3+-, La3+-, and Ce3+-exchanged X zeolites Zeolites 14, 427-432 (1994).
36. Ryong Ryoo, Ja Hun Kwak and Louis-Charles de Ménorval A 129Xe NMR spectroscopic technique to probe exclusively the internal surface of zeolite crystallites by coating of the external surface J. Phys. Chem. 98, 7101-7103 (1994).
35. H. Ihee, R. Ryoo, T. Bécue, C. Potvin, J.-M. Manoli and G. Djéga-Mariadassou Clustering of platinum atoms in zeolite EMT supercage: Comprehensive physicochemical characterization Stud. Surf. Sci. Catal. 84, 765-772 (1994).
34. Young H. Chang, Kyung H. Choi, Warren T. Ford, Sung June Cho and Ryong Ryoo XANES and EXAFS study of a platinum phthalocyanine J. Chem. Soc., Chem. Commun. , 785-787 (1994).
33. Tatjana Rades, Chanho Pak, Michèle Polisset-Thfoin M, Ryong Ryoo and Jacques Fraissard Characterization of bimetallic NaY-supported Pt-Pd catalyst by EXAFS, TEM and TPR Catal. Lett. 29, 91-103 (1994).
32. Jiho Park, Wee-Kyeong Kang, Ryong Ryoo, Kyung-Hoon Jung and Du-Jeon Jang A study on the photophysical properties of anthracene in zeolite J. Photochem. Photobiol., A 80, 333-339 (1994).
1993
31. Ryong Ryoo and Sung June Cho Platinum cluster supported on zeolite a by ion-exchange of Pt(NH3)42+ Stud. Surf. Sci. Catal. 75, 1633-1636 (1993).
30. Ryong Ryoo, Sung June Cho, Chanho Pak and Jeong Yong Lee Clustering of platinum atoms into nanoscale particle and network on NaY zeolite Catal. Lett. 20, 107-115 (1993).
29. Ja Hun Kwak and Ryong Ryoo Site selective line broadening in magic angle spinning 29Si NMR of CuX zeolite J. Phys. Chem. 97, 11154-11156 (1993).
28. M. Boudart, R. Ryoo, G. P. Valenç and R. Van Grieken Chemisorption of H2 on supported Pt clusters probed by 129Xe NMR Catal. Lett. 17, 273-283 (1993).
27. Ryong Ryoo, Louis-Charles de Ménorval, Ja Hun Kwak and François Figueras 129Xe NMR spectrum of xenon in the α-cage of zeolite A during hydration and ion exchange J. Phys. Chem. 97, 4124-4127 (1993).
26. Ryong Ryoo, Chanho Pak and Sung June Cho EXAFS and catalytic activity of AgPt bimetallic cluster supported on NaY zeolite Jpn. J. Appl. Phys. 32, 475-477 (1993).
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