Abstract
In present research work, gamma ray (γ-ray) induced modifications on the cadmium sulphide (CdS) nanorod mesh are investigated. CdS nanorod mesh is deposited on the glass substrate via chemical bath deposition. The samples are irradiated with Co-60 γ-rays with varying dose up to 200 kGy. Structural, optical, and electrical properties of CdS nanorod mesh are examined after exposure to gamma radiation. XRD pattern of pristine and gamma irradiated CdS nanorods revealed no phase transformation but variation in the relative intensity is visible. Moreover, the crystallite size is found to increase with the gamma dose. In addition, FESEM imaging displayed the morphology of pristine and gamma irradiated CdS nanorods. Furthermore, optical properties are also studied to check the effect of gamma irradiation on the respective parameters. The gamma radiation also produces significant changes in the transport properties of CdS nanorods. With gamma dose, CdS nanorod mesh displayed an increment in the current values due to ionization, defects and grain coalescence.
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