个人简介

Ph.D. 2003-2008 Columbia University

研究领域

Materials science

Nanomaterial and nanodevice, Development of rationally designed nanostructures for renewable energy, analytical and diagnostic application. Dr. Tang's research programmes: Nanoscience bridges the macroscopic world and the atomic/ molecular world and provides the ultimate control of materials' electrical and mechanical properties. By using this recently developed tool, novel devices and systems can be rationally designed to realize functions imagined before only in science fiction. Our research is highly interdisciplinary between chemistry, solid state physics and material science. Currently, we are interested in the development of new functional nanomaterial for renewable energy application and new class of nanodevice system for analytical/diagnostic applications. Photon management for high efficient low cost solar energy As global energy consumption increases, a renewable energy source is highly desired to replace fossil fuels for environmental and economical concerns. The major reason preventing widespread solar energy use is low efficiency and the high cost of solar cell production compared to that of fossil fuel based power generating systems. Nanostructure can be designed to deliver photons to the most active and efficient site of a solar cell which ease the tradeoff between the light absorption and charge collection. We are trying build the test platform of solar cell with different nanostructure and identify the ideal design for different solar energy application. We are investigating light trapping as well as plasmonic enhancement in the solar cell design. High performance thermoelectric nanomaterial The thermoelectric phenomenon connects thermal energy directly with electrical energy and can be used for either electrical power generation or refrigeration. Thermoelectric modules are desired for these applications because they are highly reliable and pollutant free. We are attempting to discover a new class of high efficiency thermoelectric material by systematically study the properties of chemically modified carbon based material including graphene and carbon nanotube. Transport study of single molecule inside ultrathin nanofluidic system Nanopore-based devices promise a cheap and fast method to sequence DNA/RNA by using electrophoresis to drive DNA molecules through nanometer-scale pores. The main challenge in developing a nanopore-based DNA sequencer is the inability to precisely control the motion of a single polynucleotide molecule inside a nanopore. The general goal for this project is understanding the influence of different surface coatings and surface charges on the transport dynamics of a biopolymer molecule inside a one-dimensional nanofluidic system. Ultimately, the target is to develop a nanofluidic platform which is capable of fast single molecule DNA sequencing.

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C. Liu, J. Tang, H. Chen, B. Liu, P. Yang, A Fully Integrated Nanosystem of Semiconductor Nanowires for Direct Solar Water Splitting”, Nano Lett., 13 (6), 2989-2992.(2013) [pdf] Liu, C., Sun, J., Tang, J. & Yang, P. Zn-Doped p-Type Gallium Phosphide Nanowire Photocathodes from a Surfactant-Free Solution Synthesis. Nano Lett. 12, 5407-5411, (2012). [pdf] Tang, J., Huo, Z., Brittman, S., Gao, H. & Yang, P. Solution-processed core-shell nanowires for efficient photovoltaic cells. Nat. Nanotechnol. 6, 568-572, (2011).[pdf] Lin, F., Hoang, D. T., Tsung, C.-K., Huang, W., Lo, S. H.-Y., Wood, J. B., Wang, H., Tang, J. & Yang, P. Catalytic properties of Pt cluster-decorated CeO2 nanostructures. Nano Res. 4, 61-71, (2011). [pdf] Cao, D., Pang, P., He, J., Luo, T., Park, J. H., Krstic, P., Nuckolls, C., Tang, J. & Lindsay, S. Electronic Sensitivity of Carbon Nanotubes to Internal Water Wetting. ACS Nano 5, 3113-3119, (2011).[pdf] Tang, J., Wang, H.-T., Lee, D. H., Fardy, M., Huo, Z., Russell, T. P. & Yang, P. Holey Silicon as an Efficient Thermoelectric Material. Nano Lett. 10, 4279-4283, (2010).[pdf] Liu, H., He, J., Tang, J., Liu, H., Pang, P., Cao, D., Krstic, P., Joseph, S., Lindsay, S. & Nuckolls, C. Translocation of Single-Stranded DNA Through Single-Walled Carbon Nanotubes. Science (Washington, DC, U. S.) 327, 64-67, (2010).[pdf] Jeon, S., Lee, C., Tang, J., Hone, J. & Nuckolls, C. Growth of serpentine carbon nanotubes on quartz substrates and their electrical properties. Nano Res. 1, 427-433, (2008).[pdf] Tang, J., Wang, Y., Klare, J. E., Tulevski, G. S., Wind, S. J. & Nuckolls, C. Encoding molecular-wire formation within nanoscale sockets. Angew. Chem., Int. Ed. 46, 3892-3895, (2007).(Inside cover) [pdf] Xiao, S., Tang, J., Beetz, T., Guo, X., Tremblay, N., Siegrist, T., Zhu, Y., Steigerwald, M. & Nuckolls, C. Transferring Self-Assembled, Nanoscale Cables into Electrical Devices. J. Am. Chem. Soc. 128, 10700-10701, (2006). [pdf] Tang, J., Wang, Y., Nuckolls, C. & Wind, S. J. Chemically responsive molecular transistors fabricated by self-aligned lithography and chemical self-assembly. Journal of vacuum science & technology. B, Microelectronics and nanometer structures 24, 3227-3229, (2006).[pdf] Tang, J., De Poortere, E. P., Klare, J. E., Nuckolls, C. & Wind, S. J. Single-molecule transistor fabrication by self-aligned lithography and in situ molecular assembly. Microelectron. Eng. 83, 1706-1709, (2006).[pdf] Guo, X., Myers, M., Xiao, S., Lefenfeld, M., Steiner, R., Tulevski, G. S., Tang, J., Baumert, J., Leibfarth, F., Yardley, J. T., Steigerwald, M. L., Kim, P. & Nuckolls, C. Chemoresponsive monolayer transistors. Proc. Natl. Acad. Sci. USA 103, 11452-11456, (2006).[pdf] Chen, Z., Appenzeller, J., Lin, Y.-M., Sippel-Oakley, J., Rinzler, A. G., Tang, J., Wind, S. J., Solomon, P. M. & Avouris, P. An integrated logic circuit assembled on a single carbon nanotube. Science (Washington, DC, U. S.) 311, 1735, (2006).[pdf]