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Abstract The crystallinity and the chemical structures of 5,10,15,20-tetra(4-pyridyl)-21H, 23H-Prophine Zinc (ZnTPyP) of the powder and the thermally evaporated thin films were examined by X-ray diffraction (XRD) and Fourier Transform… Click to show full abstract
Abstract The crystallinity and the chemical structures of 5,10,15,20-tetra(4-pyridyl)-21H, 23H-Prophine Zinc (ZnTPyP) of the powder and the thermally evaporated thin films were examined by X-ray diffraction (XRD) and Fourier Transform infrared spectroscopy (FTIR) techniques, respectively. The DC electrical properties of Au/ZnTPyP/Au structure showed semiconducting behavior and the activation energies were calculated. In addition, a hybrid heterojunction of configuration Al/p-Si/ZnTPyP/Au has been fabricated and investigated. The morphologies of the ZnTPyP/p-Si were investigated by scanning electron microscope (SEM). This device revealed rectification behavior like diode in dark. From the dark current-voltage measurements, the device parameters and the conduction mechanisms have been reported and interpreted in the temperature range (303 K-343 K). Under illumination intensity of 5 mW / cm 2 , the studied cell is found to follow photovoltaic phenomena.
Journal Title: Vacuum
Year Published: 2018
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