Abstract
AgInTe 2 micron-particles were synthesized by mechanical ball milling method. Only AgInTe 2 phase was obtained in the powder after ball milling from the mixture of elements (Ag, In, and Te). AgInTe 2 particles had the variation in the size and the biggest particle was approximately 2 µm. AgInTe 2 solar cells were fabricated as superstrate structure by doctor-blade printing, and were annealed at various temperatures under nitrogen ambient. AgInTe 2 after annealing showed high crystallinity and two band gaps of 0.67 and 0.86 eV. Although no photocurrent was observed after annealing below 350 °C, the photocurrent was observed in AgInTe 2 superstrate solar cells after annealing over 400 °C. The short-circuit photocurrent density strongly increased up to 18 mA/cm 2 for the samples annealed at 600 °C for 5 min. Key words: AgInTe 2 ; Solar cells; Printing method
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