In situ growth of semiconductor nanocrystals on carbon nanotubes and their application as novel solar cell and amperometric glucose sensor materials

PHYS 484

YoonJu Na, orion403@naver.com, Department of Material Chemistry, Korea University, In the building of school of the science and biotechnology Rm #235, 5-ka, Anam-dong Sungbuk-ku, Seoul, South Korea
Single-crystalline copper sulfide (wurtzite Cu2S), cadmium telluride (wurtzite CdTe), and lead selenide (rock-salt PbSe) nanocrystals (NCs) were grown in situ on carbon nanotubes (CNTs) by the solvothermal method. The morphology of the NCs was varied from spherical particles (avg. size = 4 nm) to various shapes such as cubes, plates, flowers, and multipods (up to 50 nm), etc., by changing the growth condition. The solar cells and the amperometric glucose sensors fabricated using these NC-CNT hybrid nanostructures respond more sensitively than those using the NCs (or CNTs) alone. The utilization of the active NCs through the direct bindings with the conductive CNTs would produce excellent performance of these nanodevices.

 

PHYS Poster Session - Nanostructured Materials and Nanophotonics
7:30 PM-10:00 PM, Wednesday, April 9, 2008 Morial Convention Center -- Hall A, Poster

Division of Physical Chemistry

The 235th ACS National Meeting, New Orleans, LA, April 6-10, 2008