6. Insuk Lee, Youngmin You, Seon-Jeong Lim, and Soo Young Park*

“Photon-Mode Single Molecular Phosphorescence Switching of Heteroleptic Cyclometalated Iridium(III) Complexes via Photochromic Dithienylethene Switch Linked to the Ancillary Ligand”

5. Youngmin You, Cheng-Guo An, Jang-Joo Kim, and Soo Young Park*

“A Deep Red Phosphorescent Ir(III) Complex for Use in Polymer Light-Emitting Diodes: Role of the Arylsilyl Substituents”

4. Youngmin You, Kil Suk Kim, Tae Kyu Ahn, Dongho Kim*, and Soo Young Park*

“Direct Spectroscopic Observation of Inter-Ligand Energy Transfer in Cyclometalated Heteroleptic Iridium(III) Complexes: A Strategy for Phosphorescence Color Tuning and White Light Generation”

3. Youngmin You, Cheng-Guo An, Deug-Sang Lee, Jang-Joo Kim, and Soo Young Park*

“Silicon- Containing Dendritic Tris-Cyclometalated Ir(III) Complex and Its Electrophosphorescence in a Polymer Host”

Identified as a Hot Paper

2. Youngmin You, Se Hun Kim, Ho Kuk Jung, and Soo Young Park*

“Blue Electrophsphorescence from Iridium Complex Covalently Bonded to the Poly(9-dodecyl-3-vinylcarbazole): Suppressed Phase Segregation and Enhanced Energy Transfer”

1. Youngmin You and Soo Young Park*

“Inter-Ligand Energy Transfer and Related Emission Change in the Cyclometalated Heteroleptic Iridium Complex: Facile and Efficient Color Tuning over the Whole Visible Range by the Ancillary Ligand Structure”

J. Am. Chem. Soc. 2005, 127, 12438-12439.(Impact Factor = 12.113)