Group Members

 • Group Leader

 • PostDocs & Staff

 • Graduate Students

 • Prior Members

Biosketch

• Ph.D. School of Materials Science and Engineering, Georgia Institute of Technology, GA, 2005
• Master of Engineering in Materials Science and Engineering, Beijing University of Aeronautics & Astronautics, China, 2000.
• Bachelor of Science in Mechanical Engineering, Xiangtan University, China, 1997.

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Research Area

• Syntheses, characterization and catalyzed growth mechanism study of 1D Nanomaterials.
• Biomedical Applications(Biosensor and Bioactuator) of 1D Nanomaterials.
• Biofluidics.

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Publications

1. "Nanowire Piezoelectric Nanogenerators on Plastic Substrates as Flexible Power Sources for Nanodevices", P.G. Gao, J.H. Song, J. Liu and Z.L. Wang Adv. Mater., 19 (2007) 67-72.
2. "Direct synthesis and structure characterization of ultrafine CeO2 nanoparticles", C.G. Hu, Z.W. Zhang, H. Liu, P.G. Gao and Z.L. Wang Nanotechnology, 17 (2006) 5983–5987.
3. "Superelasticity and Nanofracture Mechanics of ZnO Nanohelices", P.X. Gao, W.J. Mai and Z.L. Wang Nano Lett., 2006 (6) 2536-2543.
4. "Quantifying oxygen diffusion in ZnO nanobelt", J. Liu, P.X. Gao, W.J. Mai, C.S. Lao, Z.L. Wang and R. Tummala Appl. Phys. Lett., 89 (2006) 063125.
5. "SiC-Shell Nanostructures Fabricated by Replicating ZnO Nano-objects: A Technique for Producing Hollow Nanostructures of Desired Shape", J. Zhou, J. Liu, R.S. Yang, C.S. Lao, P.X. Gao, R. Tummala, N.S. Xu, and Z.L. Wang Small, 2 (2006) 1344-1347.
6. "Nanowire as pico-gram balance at workplace atmosphere", J. Zhou, C.S. Lao, P.G. Gao, W.J. Mai, W.L. Hughes, S.Z. Deng, N.S. Xu and Z.L. WangSolid State Commun., 139 (2006) 222-226.
7. "ZnO Nanobelt/Nanowire Schottky Diodes Formed by Dielectrophoresis Alignment across Au Electrodes", C.S. Lao, J. Liu, P.X. Gao, L. Zhang, D. Davidovic, R. Tummala and Z.L. Wang Nano Lett., 6 (2006) 263-266.
8. "Metal/semiconductor core/shell nanodisks and nanotubes", P.X. Gao, C.S. Lao, Y. Ding and Z.L. Wang Adv. Funct. Mater., 16 (2006) 53-62.
9. "Formation of double-side teethed nanocombs of ZnO and self-catalysis of Zn-terminated polar surface", C.S. Lao, P.X. Gao, R.S. Yang, Y. Zhang, Y. Dai, Z.L. Wang Chem. Phys. Lett., 417 (2005) 359–363.
10. "Conversion of Zinc Oxide Nanobelts into Superlattice-Structured Nanohelices", P.X. Gao, Y. Ding, W. Mai, W.L. Hughes, C.S. Lao, Z.L. Wang Science, 309 (2005) 1700-1704.
11. "High-Yield Synthesis of Single-Crystal Nanosprings of ZnO", P. X. Gao and Z. L. Wang Small, 1 (2005) 945-949.
12. "Three-dimensional interconnected nanowire networks of ZnO", P. X. Gao, C. S. Lao, W. L. Hughes and Z. L.Wang Chem. Phys. Lett., 408 (2005) 174-178.
13. "Nanoarchitectures of semiconducting and piezoelectric zinc oxide", P. X. Gao and Z. L. Wang J. Appl. Phys., 97 (2005) 044304.
14. "Perfect Orientation Ordered in-Situ One-Dimensional Self-Assembly of Mn-Doped PbSe Nanocrystals", Weigang Lu, Puxian Gao, Wen Bin Jian, Zhong Lin Wang, and Jiye Fang, J. Am. Chem. Soc. 126 (2004) 14816-14821.
15. "Semiconducting and Piezoelectric Oxide Nanostructures induced by Polar Surfaces", Z. L. Wang, X. Y. Kong, Y. Ding, Puxian Gao, W.L. Hughes, R. Yang and Y. Zhang, Adv. Funct. Mater., 14 (2004) 943-956.
16. "Single-Crystal Hexagonal Disks and Rings of ZnO: Low-Temperature, Large-Scale Synthesis and Growth Mechanism", Feng Li, Yong Ding, Puxian Gao, Xinquan Xin, and Zhong L. Wang, Angew. Chem., 116 (2004) 5350-5354.
17. "Substrate atomic-termination induced anisotropic growth of ZnO nanowires/nanorods by VLS process", Puxian Gao and Z.L. Wang, J. Phys. Chem. B, 108 (2004) 7534-7537 + Cover.
18. "Nanopropeller Arrays of Zinc Oxide", Puxian Gao and Z. L. Wang, Appl. Phys. Letts., 84 (2004) 2883-2885 + Cover.
19. "Catalyst-nanostructure interfacial lattice mismatch in determining the shape of VLS grown nanowires and nanobelts: a case of Sn/ZnO", Y. Ding, P. X. Gao and Z. L. Wang, J. Am. Chem. Soc., 126 (2004) 2066-2072.
20. "Manganese doped ZnO nanobelts for spintronics", C. Ronning, Puxian Gao, Y. Ding, and Z.L. Wang, D. Schwen, Appl. Phys. Letts., 84 (2004) 783-785.
21. "Crystallographic-Orientation Aligned ZnO Nanorods Grown by Tin Catalyst", Puxian Gao, Y. Ding and Z. L. Wang, Nano Letters, 3 (2003) 1315-1320.
22. "Measuring the work function at a nanobelt tip and at a nanoparticle surface", X. D. Bai, E. G. Wang, Puxian Gao and Z. L. Wang, Nano Letters, 3 (2003) 1147-1150.
23. "Mesoporous Polyhedral Cages and Shells formed by Textured Self-assembly of ZnO Nanocrystals", Puxian Gao and Z. L. Wang, J. Am. Chem. Soc., 125 (2003) 11299-11305.
24. "Dual-mode mechanical resonance of individual ZnO nanobelts", X. D. Bai, Puxian Gao, Z. L. Wang and E. G. Wang, Appl. Phys. Letts., 82 (2003) 4806-4808.
25. "Self-assembled Nanowire-Nanoribbon Junction Arrays of ZnO", Puxian Gao and Z.L. Wang, J. Phys. Chem. B, 106 (2002) 12653-12658 + Cover.
26. "Rectangular porous ZnO-ZnS nanocables and ZnS nanotubes", X. D. Wang, Puxian Gao, J. Li, C. J. Summers and Z. L. Wang, Adv. Mater., 14 (2002) 1732-1735.

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Research Highlights

• Syntheses of complex 1D & 2D ZnO nanostructures (Nanowire-nanoribbon junction arrays/Nanopropeller arrays/Nanocages) using Sn as catalyst.
• Manganese doping study of ZnO nanobelts.
• Catalytical effect study of metallic Sn on the VLS growth and anisotropic growth of ZnO nanobelts and nanorods.
• Crystallographic-orientation alignment of ZnO nanorods using Sn catalyst.

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Honors & Awards

• School of Materials Science and Engineering Advanced Publication Award (2005)

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