Solution-processed CuSbS2 solar cells based on metal–organic molecular solution precursors
Source abstract
Abstract
Developing earth-abundant and low-toxic light absorber materials is crucial for next-generation photovoltaics. In this article, a simple solution-process method for the deposition of CuSbS2 thin film is presented. An equimolar mixture of Cu2O and Sb2O3 was dissolved in butyldithiocarbamic acid, forming a thermally degradable metal–organic molecular solution. Uniform and phase-pure CuSbS2 thin films can be obtained by spin coating this precursor solution followed by a fast annealing process in an inert gas environment. Preferential crystal growth of (111) lattice planes was observed in films prepared at annealing temperature of more than 290 °C. The films possess a direct band gap of 1.6 eV with high absorption coefficient. CuSbS2 planar heterojunction solar cells of FTO/CdS/CuSbS2/Au structure were assembled achieving a power conversion efficiency of 0.68% under one sun illumination. This metal–organic molecular solution precursor provides a simple method to fabricate multicomponent inorganic chalcogenide films for photovoltaic application.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films · Perovskite Materials and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (50)
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