Abstract
Spin coating technique has been used to deposit various concentration of Multi-wall carbon nanotube (MWCNTs) thin films on flexible substrate of polyethylene terephthalate (PET) as electrode, the study shows the effect of (1, 2, 3 mg/ml) concentration of (MWCNTs) thin films, by AFM, optical and electrical measurements which is indicate that the best concentration is2 mg/ml according to (2, 3D) images, which shown widespread and regular spread of CNTs, low absorption of wavelengths (400, 550, 700 nm) at low concentrations, and compatible increase of responsivity with increased current for PET-MWCNTs/MEH-PPV:MWCNTs/AL as photodetector device.
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