Deposition of Transparent Indium Molybdenum Oxide Thin Films
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- Category: Molybdenum knowledge
- Published on 23 July 2013
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In this study, we systematically investigate the effects of post-annealing on the structural, electrical, and optical characteristics of indium molybdenum oxide (IMO) films.
The incorporation of IMO films into organic solar cells (OSCs) is further studied. The optimum content of Mo is 2.36 wt%. Furthermore, a significant improvement in crystallinity, surface morphology, electrical resistivity.
And optical transmittance is observed after thermal annealing. The lowest resistivity is obtained with post annealing at 300 degrees C for 140 s. The OSC utilizing the IMO electrode shows an efficiency of up to 3.77%.
The diffusion length of the carriers in the OSC is approximately 10 nm. Thus, the higher efficiency can be explained by the smoother surface morphology of the post annealed IMO electrode.
These results indicate that the novel IMO films with superior material properties have enormous potential applications for solar cells.
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