Abstract
The effectiveness of applying an external magnetic field in the C:Se/PS was studied nanoparticle (NPs) synthesized in a laser wavelength generated by a Q-switched- laser via pulsed Laser Ablation in 1064 nm. The pattern of the X-ray diffraction (XRD) had indicated the nano-crystaline of specimens. Results of the Atomic force microscope (AFM) analysis for C:Se/PS showed have decreased the average roughness after magnetic field application. UV–vis result displayed that the gap of the optical energy of nano-particles increase from 3.6 to 4.2 eV following the application of magnetic field throughout ablation. The electrical characteristics like the ideal factor (n) and barrier height (ΦB) for Al/C:SeNPs/PS/Si/Al heterojunction have been determined with measurements of current-voltage (I-V). In addition, the effectiveness of C:Se/PS photodetectors was improved across a wide range of wavelengths, the quantum efficiency (Q.E) of C:Se/PS photodetectors decreased from 85% to 23% at 600 nm following the application of magnetic field throughout ablation.
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