Advanced Materials

Photoconductivity of Single-Bilayer Nanotubes Consisting of Poly(p-phenylenevinylene) (PPV) and Carbonized-PPV Layers


  • This work was supported by the Korea Science and Engineering Foundation. S.-H. Joo and J.-S. Park are recipients of the Brain Korea 21 scholarship from the Ministry of Education and Human Resources, Korea.


Photoconducting nanotube devices consisting of a poly(p-phenylenevinylene) (PPV) layer and a carbonized-PPV layer (see Figure) show high photoconductivity efficiencies under illumination by a xenon lamp. This investigation demonstrates the first examples of photoconducting single-bilayer nanotube devices that can be operated over the UV-visible light wavelength range. The bilayer architecture could be useful in photoswitching applications and in nanometer-scale photovoltaic devices.

original image