5 μm Photocurrent generation from individual carbon

1 μm Electric field h+ e- Normalized Photocurrent (pA/μW) ... process as a function of electric field and dielectric environment ...
5 downloads 16 Views 242KB Size
Photocurrent generation from individual carbon nanotubes Ethan Minot, Department of Physics, Oregon State University

1 μm

5 μm

Scanning Electron Microscope

Optical Microscope

700 e-

h+

Electric field

Normalized Photocurrent (pA/μW)

• Photoabsorption peaks in individual CNTs have been detected • We are now studying the efficiency of the photocurrent generation process as a function of electric field and dielectric environment

Photocurrent

Excitation wavelength (nm) 600 500