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 ...
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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