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General XPS spectra of pristine MWNTs and O-MWNTs.
XPS spectrum of O-MWNTs presenting different functional groups grafted on MWNTs.
HRTEM studies of (a) O-MWNTs presenting induced defect on the MWNTs sidewalls and (b) decorated O-MWNTs presenting continuous layer formation.
characteristics of the device fabricated with coated (a) pristine MWNTs and (b) O-MWNTs with the structure under dark (dotted line) and illumination (AM 1.5 ).
Energy band diagram of the fabricated device showing band alignment for pristine MWNTs and O-MWNTs.
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