20. Kang Hyun Park, Il Gu Jung, Young Keun Chung “Synthesis of Coumarins Catalyzed by Heterobimetallic Co/Rh Nanoparticles” Synlett, 2004, 2541-2544. 

19. Seung Uk Son, Kang Hyun Park, Young-Shin Lee, Bo Yun Kim, Cheol Ho Choi, Myoung Soo Lah, Yun Hee Jang, Du-Jeon Jang, and Young Keun Chung “Synthesis of Ru(II) Complexes of N-Heterocyclic Carbenes and Their Promising Photoluminescence Properties in Water" Inorganic Chemistry, 2004, 43, 6896-6898. 

18. Kang Hyun Park, Il Gu Jung, and Young Keun Chung “A Pauson-Khand-Type Reaction between Alkynes and Olefinic Aldehydes Catalyzed by Rhodium/Cobalt Heterobimetallic Nanoparticles: An Olefinic Aldehyde as an Olefin and CO Source” Organic Letters, 2004, 6, 1183-1186. 

17. Kang Hyun Park, Il Gu Jung, So Yeon Kim, and Young Keun Chung “Immobilized Cobalt/Rhodium Heterobimetallic Nanoparticle-Catalyzed Silylcarbocylization and Carbonylative Silylcarbocyclization of 1,6-Enynes” Organic Letters, 2003, 5, 4967-4970. 

16. Il Gu Jung, Seung Uk Son, Kang Hyun Park, Kee-Choo Chung, Jo Woong Lee, and Young Keun Chung “Synthesis of Novel Pd-NCN Pincer Complexes Having Additional Nitrogen Coordination Sites and Their Application as Catalysts for the Heck Reaction” Organometallics, 2003, 22, 4715-4720. 

15. Kang Hyun Park, So Yeon Kim, Seung Uk Son, Young Keun Chung “Use of Rhodium N-Heterocyclic Carbene Complexes in Catalytic Cyclization and Hydrosilylation of 1,6-Enynes to 2-Methyl-1-silylmethylidene-2-cyclopentane” Eur. J. Org. Chem., 2003, 4341-4345. (Cover) 

14. Kang Hyun Park, Seung Uk Son and Young Keun Chung “Immobilized heterobimetallic Ru/Co nanoparticle-catalyzed Pauson–Khand-type reactions in the presence of pyridylmethyl formate” Chem. Commun., 2003. 1898-1899. 

13. Seung Uk Son, Kang Hyun Park, Seung Jung Lee, B. Moon Kim, Young Keun Chung “Efficient Synthesis of Highly Functionalized Triquinane Derivatives through Dicobalt Octacarbonyl-Catalyzed Cycloaddition of Diyne with Diene under Carbon Monoxide Followed by Cleavage of a Double Bond” Synlett, 2003, 1101-1104. 

12. Seung Uk Son, Kang Hyun Park, Bo Yun Kim, and Young Keun Chung “Construction of Cylindrical Nanotubular Materials by Self-Assembly of Co(NCS)2 with Bent-Building Blocks Having Diimidazole Rings” Crystal Growth & Design, 2003, 3, 507-512. 

11. Kang Hyun Park, Seung Uk Son and Young Keun Chung “Pauson-Khand Reactions Catalyzed by Entrapped Rhodium Complexes” Tetrahedron Letts, 2003, 44, 2827-2830.