Structural, Optical, Morphological and Electrical Properties of V2O5 Nanorods and Its Ag/n-V2O5/p-Si/Ag Diode Application
We report the synthesis of V2O5 nanoparticles by utilizing a simple wet chemical method. The prepared nano structures were characterized by XRD, PL, HR-TEM, DC conductivity studies and heterojunction device application. The X-ray diffraction analysis revealed that the prepared VO2 and V2O5 nanoparticles exhibit monoclinic to orthorhombic phase. The V2O5 nanoparticles produced by this technique are single crystalline and could emit intense visible light at room temperature, possibly due to some defects such as oxygen vacancies which are formed during growth. The HR-TEM images display dense, smooth and random distribution of V2O5 nanoparticles. DC resistivity of V2O5 was studied as a function of temperature which indicates the semiconducting character. Moreover, the fabrication of an Ag/n-V2O5/p-Si/Ag junction diode was done by nebulizer spray coating technique. The device parameters such as ideality factor, barrier height, and series resistance were calculated and conduction mechanisms were investigated from I–V characteristics which were studied extensively.
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Document Type: Research Article
Publication date: September 1, 2018
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