Sub-Stochiometric Moo3 For Intermediate Band Solar Cells
2019 IEEE 46TH PHOTOVOLTAIC SPECIALISTS CONFERENCE (PVSC)（2019）
Abstract
We report on surface topographical, chemical and optoelectronic properties of sub-stoichiometric MoO3 thin films, MoO3-x, made by pulsed laser deposition. MoO3-x is a promising candidate for a sustainable intermediate band material. The absorption coefficient for photon energies below the MoO3 bandgap increases for films made in oxygen poor environments, and is explained by the occurrence of states in the bandgap related to oxygen vacancies and to phase mixtures of MoO3-x compositions with 0More
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Key words
intermediate band,sub-stochiometric
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