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Transparent orthorhombic molybdenum trioxide (α-MoO3) thin films were prepared on glass substrates by sol–gel dip coating technique of a quality comparable to those prepared by more sophisticated techniques regarded as very costly and difficult to carry out. The prepared films were annealed in air at different temperatures in the range of 150–350°C. X-ray diffraction analysis of the films prepared...
A simple method for metal deposition on solar cells surface has been developed. Nickel is used as contact barrier to copper and permits low contact resistance on n+ silicon Nickel chloride is used to deposit contacts on front surface. The pattern is obtained by laser ablation on silicon nitride. Laser treatment permits also to get a selective emitter n++ of 30Ω/ □ sheet resistance on which Nickel...
This work is a contribution towards the understanding of the optical and structural properties of graded refractive index layers SiN/SiO2 to lead to antireflective coating and efficient passivation of multicristalline silicon wafer. We investigate the influence of the thermal annealing on optical properties and chemical bonding of double anti-reflection coating (DARC) SiNx/SiO2 dielectric stack structure...
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