Zeng Huachun

Zeng Huachun


BSc, Xiamen University, 1982;
PhD, University of British Columbia, 1989 ;

Postdoctoral fellow, University of Toronto, 1991

E-mail: chezhc@nus.edu.sg

Research Interests

Synthetic Architecture of Nanomaterials: In recent years, synthesis of zero-, one-, two- and three-dimensional (0D, 1D, 2D and 3D) materials has become a focal area in nanostructured materials research, owing to their many low dimensional characteristics different from the bulk properties. To constitute a complete toolbox for the “bottom-up” approach in nanotechnology, the ability of making functional materials into various artificial nanokits and nanoparts is essential. Nanostructured materials can be prepared with constrained or unconstrained synthetic methods, in which inorganic or organic templates (e.g., porous oxides, well-oriented crystal planes, organic ligands, solution inhomogeneity, and supramolecular arrays) have been utilized. In addition to the template-assisted methods, a number of template-free approaches (such as Ostwald ripening and Kirkendall effect for solid evacuation in forming hollow nanostructures) have also been developed. Our research is focused on development of novel synthesis methods for complex and composite nanobuilding blocks and their related self-assemblies. In analogy to total synthesis of organic compounds, complex inorganic nanostructures with aesthetic expression can be prepared in solution media via synthetic architecture, in which fabrication of building components and their organizations may take place simultaneously or consecutively. In particular, large-scale synthesis and organization of light-absorbing semiconducting nanostructures in a control manner have formed a main part of the research program. Applications of these nanomaterials are directed to chemical sensing, heterogeneous catalysis, energy storage, solar-cells, and medical diagnosis etc in many advanced technologies.

Representative Publications

1. M.L. Pang, A.J. Cairns, Y.L. Liu, Y. Belmabkhout, H.C. Zeng and M. Eddaoudi, "Highly Monodisperse MIII-Based soc-MOFs (M = In and Ga) with Cubic, Truncated Cubic Morphologies", J. Am. Chem. Soc. Vol. 134 (2012) pp. xxxx-xxxx.

2. C.C. Li, J. Dou, L.W. Chen, J.Y. Lin and H.C. Zeng, "Antisolvent Precipitation for Synthesis of Monodisperse Mesoporous Niobium Oxide Spheres as Highly Effective Solid Acid Catalysts", ChemCatChem, Vol. 4 (2012) pp. xxx-xxx.

3. C.C. Yec and H.C. Zeng, "Synthetic Architecture of Multiple Core-Shell and Yolk-Shell Structures of (Cu2O@)nCu2O (n = 1 to 4) with Centricity and Eccentricity", Chem. Mater. Vol. 24 (2012) pp. 1917-1929.

4. J. Dou and H.C. Zeng, "Preparation of Mo-embedded Mesoporous Carbon Microspheres for Friedel-Crafts Alkylation", J. Phys. Chem.C Vol. 116 (2012) pp. 7767-7775.

5. S.L. Xiong and H.C. Zeng, "Serial Ionic Exchange for Synthesis of Multishelled Copper Sulfide Hollow Spheres", Angew. Chem. Int. Ed. Vol. 51 (2012) pp. 945-952.

6. K.X. Yao and H.C. Zeng, "Simultaneous Chemical Modification and Structural Transformation of Stober Silica Spheres for Integration of Nanocatalysts", Chem. Mater. Vol. 24 (2012) pp. 140-148.

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