Research Interest:

Huixin He


Assistant Professor, Nanoscience and Technology


Phone: 973-353-1254; Fax: 973-353-1264

Temporary email address: huixinhe@newark.rutgers.edu


Research Interest:


My main research interest is in exploring novel properties of various nanomaterials and their applications in molecular/nanoelectronics and ultra-sensitive chem./biosensors. Experimental techniques for my current research include atomic force microscope (AFM) and scanning tunneling microscope (STM), surface electrochemistry, Quartz Crystal Microbalance (QCM).


Open Positions:


Positions for both graduate and undergraduate students are open. Any students in chemistry department who are interested in doing research projects in the field of nanoscience and technology, electrochemistry and chem./bio-sensor are welcome to contact Dr. He directly.


Collaborations


Prof. N.J. Tao, Department of Electrical Engineering, Arizona State University, USA

Dr. L. Nagahara and I. Islamsha, Physical Science Research Lab, Motorola, USA

Dr. T. Thunder, Dr. I. Lee and Z. Wu, Oak Ridge National Lab, USA

Dr. J. D. Zhang, Department of Physics, Florida International University, USA

Prof. Z. F. Liu, Center for Nanoscale Science and Technology, Peking University, China


Publications


  1. H. X. He, N. J. Tao, L.A. Nagahara, I. Amlani and R. Tsui, "Electrochemical Potential-Controlled Discrete Conductance Switching in Conducting Polymer Strands" Phys. Rev. Let. 2002, in process.


  1. B.Q. Xu, H. X. He and N. J. Tao, "Controlling the Conductance of Atomically Thin Metal Wires with Electrochemical Potential" J. Am. Chem. Soc. 2002, in Press.


  1. H. X. He, S. Boussaad, B. Xu, N. J. Tao, "Electrochemical Fabrication of Atomically Thin Metallic Wires and Molecular-Scale Gaps" invited review, J. Electroanal. Chem. 2002, 522, Issue 2, 167-172


  1. H. X. He, N. J. Tao, "Interaction of Molecules with Metallic Quantum Wires" invited research news, Advanced Materials, 2002, 14, Issue 2, 161-164.


  1. H. X. He, C. Shu, C. Z. Li, N. J. Tao, "Adsorbate Effect on the Mechanical Stability of Atomically Thin Metallic Wires" J. Electroanal. Chem. 2002, 522, Issue 1, 26-32.

  1. H. X. He, Y. W. Zhao, B. Q. Xu, N. J. Tao, Electrochemical Potential Controlled Electron Transport in Conducting Polymer Nanowires" in Quantum Confinement VI: Nanostructured Materials and Devices, ISBN 1-56677-352-0, Editor, M. Cahay, J. P. Leburton, D. J. Lockwood, S. Bandyopadhyay, J. S. Harris. Proceeding Volume 2001-19, the Electrochemical Society, INC. Page 20-22, 2001.


  1. H. X. He, J. S. Zhu, N. J. Tao, L. A. Nagahara, I. Amlani, T. Tsui "A Conducting Polymer Nanojunction Switch" J. Am. Chem. Soc., 2001, 123, Issue 31, 7730-7731.


  1. H. X. He, C. Z. Li, N. J. Tao " Conductance of Polymer Nanowires Fabricated by a Combined Electrodeposition and Mechanical Break Junction Method" Appl. Phys. Lett. 2001, 78, Issue 6, 811-813.


  1. N. J. Tao, C. Z. Li, H. X. He, A. Bogozi, B. Xu, O. Lam " Electrochemistry of STM Fabricated Metallic Nanowries" invited article, in Scacing Probe Techniques for Materials Characterization at Nanometer Scale, ISBN 1-56677-302-4, Editer, D.C. Hansen, H. S. Issacs, K. Sieradzki, Page 148-162, 2001.


  1. A. Bogozi, O. Lam, H. X. He, C. Z. Li, N. J. Tao " Molecular Adsorption onto Metallic Quantum Wires" J. Am. Chem. Soc., 2001, 123, 4590-4590.


  1. W. Wang, H. X. He, K. C. Toh, G. Wegner " Highly Ordered Structures of a Shape Persistent Macromolecule: From Side Groups to Entire Molecules" Advanced Materials 2001, 13, 659


  1. H. X. He, Q. G. Li, H. Zhang, Z. Y. Zhou, S. F. Y. Li, Z. F. Liu " Fabrication of Microelectrode Arrays Using Microcontact Printing" Langmuir, 2000, 16, Issue 25, 9684-9686.


  1. H. X. He, H. Zhang, Q. G. Li, T. Zhu, S. F. Y. Li, Z. F. Liu "Fabrication of Designed Architectures of Au Nanoparticles on Solid Substrate with Printed Self-assembled Monolayers as Templates" Langmuir, 2000, 16, Issue 8, 3846-3851.


  1. H. Zhang, H. X. He, Z. F. Liu " Isoelectric Point of Si3N4 Measured by Atomic Force Microscopy" Polish J. Chem. 2000, 74, 1499-1502.


  1. C. Z. Li, H. X. He, N. J. Tao Quantized tunneling current in the metallic nanogaps formed by electrodeposition and etching " Appl. Phys. Lett. 2000, 77 (24) 3995-3997.


  1. C. Z. Li, H. X. He, A. Bogozi, J. S. Bunch and N. J. Tao Molecular detection based on conductance quantization of nanowires Appl. Phys. Lett. 2000, 76(10) 1333-1335.


  1. H. Zhang, H. X. He, J. Wang, Z. F. Liu " Atomic Force Microscopy Evidence of Citrate Displacement by 4-Mercaptopyridine on Gold in Aqueous Solution" Langmuir 2000, 16, Issue 20, 4554-4557.


  1. H. X. He, W. Huang, H. Zhang, Q. G. Li, S. F. Y. Li, Z. F. Liu "Demonstration of High-Resolution Capability of Chemical Force Titration via Study of Acid/Base Properties of a Patterned Self-Assembled Monolayer Langmuir 2000, 16, Issue 2, 517-521.


  1. C. Shu, C Z. Li, H. X. He, et al. "Fractional conductance quantization in metallic nanoconstrictions under electropotential" Phys. Rev. Lett. 2000, 84 (22) 5196-5199.


  1. N. J. Tao, C. Z. Li, H. X. He " Scanning Tunnelling Microscopy Applications in ElectrochemistryBeyond Imaging" invited feature article, J. Electroanal. Chem. 2000, 492, (2) 81-93.


  1. H. X. He, H., Zhang, Y. C. Wang, Z. F. Liu " Chemical Force Titration of Conjugated Pyridyl Group-Terminated Self-Assembled Monolayers" Mol. Cryst. & Liq. Cryst., 1999, 337, 301-304.


  1. H. Zhang, H. L. Li, H. X. He, T. Zhu, Z. F. Liu "Study on the Surface Dissociation Properties of 6-(10-Mercaptodecaoxyl) Quinoline Self-Assembled Monolayer on Gold by Chemical Force Titration" Materials Science and Engineering: C 1999, 8-9, 191 194.


  1. Z. Y. Wu, D. Dong, H. Zhang, H. X. He and Z. F. Liu Monitoring the electrochemical Transformation of an Azobenzene-terminated Alkanethiolate Monolayer at Glod by CFM Mol. Cryst. &Liq. Cryst., 1999, 337, 305-308.


  1. J. M. Wang, H. Zhang, H. X. He, T. J. Hou, Z. F. Liu, X. J. Xu " Theoretical Studies on Force Titration of Amino-Group Terminated Self-Assembled Monolayers" J. Molecular Structure (Theochem), 1998, 451, 295-303.


  1. J. Zhang, J. Zhao, H. X. He, H. L. Zhang, H. L. Li and Z. F. Liu, "Studies on the Surface Enhanced Infrared Spectroscopy of LB Monolayers of Azobenzene Carboxylic Acid on Silver Island Films", Langmuir, 1998, 14, 5521-5525.


  1. J. Zhang, J. Zhao, H. X. He, H. L. Li, Z. F. Liu "Surface Enhanced Infrared Spectra of Azobenzene LB Monolayers on Silver Island Film", Thin Solid Films, 1998, 327-329, 287-291.


  1. H. Zhang, H. X. He, J. Wang, T.Mu, Z.F. Liu, " Force Titration of Amino Group-Terminated Self-Assembled Monolayers Using Chemical Force Microscopy" Appl. Phys. A 1998, 66, S269-S271.


  1. H. Zhang, H. X. He, T. Mu, Z.F. Liu " Force Titration of Amino group-Terminated Self-Assembled Monolayers of 4-Aminothiophenol on Gold Using Chemical Force Microscopy" Thin Solid Films 1998, 327-329, 778-786.


  1. J. Q. Song, Z. F. Liu, C. Z. Li, H. F. Chen, H. X. He " SPM-Based Nanofabrication Using a Synchronization Technique" Appl. Phys. A 1998, 66, S715-S717.


  1. H. X. He, C. Z. Li, J. Q. Song, T. Mu, H. L. Zhang, Z. F. Liu, " Force Titration of Acid-Terminated Self-assembled Monolayer Using Chemical Force Microscopy", Mol. Cryst. & Liq. Cryst. 1997, 294, 99-102.


  1. J. Q. Song, C. Z. Li, H. X. He, Z.F.Liu, "Fabrication of Gold Nanostructures on HOPG Using Atomic Force Microscopy" ", Mol. Cryst. &Liq. Cryst.1997, 294, 51-54.


  1. Y. Chen, L. Wang, H. X. He, Z. F. Liu. " Developing High Resolution Electrical Probing System Based on Atomic Force Microscopy" Mol. Cryst. &Liq. Cryst. 1997, 294, 91-94.


  1. J. Zhao, J. Zhang, H. X. He, H. L. Li, Z. F. Liu, " Enhanced Infrared Spectra of Azobenzene Carboxylic Acid LB Monolayer on discontinuous Silver Film" Chem. Phys. Lett. 1997, 278, 220-224.


  1. X. D. Chai, W. S. Yang, Y. W. Cao, Y. S. Jiang, R. Lu, T. J. Li, H. X. He, Y. Q.Wang, Z. F. Liu " Formation of Nanocolumn self-assembly by Solvent Polarity Control", J. Vac. Sci. Tech B 1997, 15, 1425.