W. Choi, S. Kim, S. Cho, H.-I. Yoo, and M.-H. Kim, “Photocatalytic Reactivity and Diffusing OH Radicals in the Reaction Medium Containing TiO₂ Particles”, Korean J. Chem. Eng. 2001, 18, 898-902.

H.-J. Kim, L. Lu, J.-H. Kim, C.-H. Lee, T. Hyeon, W. Choi, and H.-I. Lee, “UV Light Induced Photocatalytic Degradation of Cyanides in Aqueous Solution over Modified TiO₂”, Bull. Korean Chem. Soc. 2001, 22, 1371-1374.

M.-H. Kim, S.-I. Lee, T.-K. Song, H. Park, W. Choi, H.-I. Yoo, and T.-G. Park, “Correlations among Defect Type, Photoconductivity and Photoreactivity of Doped TiO₂”, Korean J. Chem. Eng. 2001, 18, 873-878.

S. Cho and W. Choi, "Solid-Phase Photocatalytic Degradation of PVC-TiO₂ Polymer Composites", J. Photochem. Photobiol. A: Chem. 2001, 143, 221-228.

B. J. Mhin; J. Choi; W. Choi, "A Simple Rule of Classification of Polychlorinated Dibenzo-p-dioxin Congeners by IR-Frequency Patterns", J. Am. Chem. Soc. 2001,123, 3584 - 3587.

W. Choi, J. Y. Ko, H. Park, and J. S. Chung, "Investigation on TiO₂-Coated Optical Fibers for Gas-Phase Photocatalytic Oxidation of Acetone", Appl. Catal. B: Environ.2001, 31, 209-220.

S.-A. Lee; K.-H. Choo; C.-H. Lee; H.-I. Lee; T. Hyeon; W. Choi; H.-H. Kwon, "Use of Ultrafiltration Membranes for the Separation of TiO₂ Photocatalysts in Drinking Water Treatment", Ind. Eng. Chem. Res. 2001, 40, 1712-1719.

Y. Cho, W. Choi, C.-H. Lee, T. Hyeon, and H.-I. Lee, "Visible Light-Induced Degradation of Carbon Tetrachloride on Dye-Sensitized TiO₂", Environ. Sci. Technol.2001, 35, 966-970.

H. Park; K.Y. Kim; W. Choi, "A Novel Photoelectrochemical Method of Metal Corrosion Prevention Using a TiO2 Solar Panel", Chem. Comm. 2001, 281-282.