Synthesis and photothermal performance of non-stoichiometric molybdenum oxide (MoO3?x) prepared by gamma radiation?
Dalton Transactions Pub Date: 2023-05-12 DOI: 10.1039/D3DT00183K
Abstract
This work reports the interaction of γ-rays with MoO3 in several solvents to obtain non-stoichiometric (sub-oxide) MoO3?x through a one-pot synthesis. The effect of different doses of γ-radiation (30–90 kGy) with different protic solvents (water, N,N-dimethylformamide and formic acid) was investigated. Structural modifications were characterized by X-ray diffractometry and scanning electron microscopy while optical properties were investigated by UV-Vis spectroscopy. The analysis of the highly intense (020), (040) and (060) diffraction peaks suggests that there is a reduction in water and formic acid allowing the formation of MoO3?x nanosheets. Additionally, the photothermal response of MoO3?x obtained under different conditions was characterized, and a possible mechanism to explain the interaction of γ-rays with solvents and the oxide structure by oxidative/reductive processes in the solution was proposed.
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Journal Name：Dalton Transactions
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