Journal
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
Volume 43, Issue 2, Pages 806-813Publisher
WILEY
DOI: 10.1002/er.4310
Keywords
MAPbIBr(2); optoelectronic properties; perovskite film; TiO2 nanoparticles
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Low-temperature solution process-able perovskite solar cells are highly desirable for future photovoltaics. Chemical root was utilized to synthesize and optimize mixed halide-based MAPbIBr(2) light absorber perovskites on electron transport layer of TiO2 nanoparticles in ambient atmosphere. For the first time all synthesis work was performed in an ambient environment and observe material behavioral characteristics. To accurately control the film morphology, one-step deposition technique was applied to investigate material's optoelectronic behavior. The role of the perovskite structure, physical, and optical properties in planner device architecture was studied through ultraviolet visible, X-ray diffraction, X-ray photoelectron spectroscopy, and scanning electron microscope characterization techniques to confirm a band gap of 1.76 eV with cubic crystalline structure having a particle size of 12.5-13.0 nm, which is highly suitable for perovskite solar cells.
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