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One-Pot Synthesis of Yolk–Shell Materials with Single, Binary, Ternary, Quaternary, and Quinary Systems



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A facile, one-pot method of systematically synthesizing yolk–shell materials with complex compositions is proposed. The spray pyrolysis process for obtaining yolk–shell materials is advantageous because it is highly efficient, allows high throughput, comprises a single-step reaction, and is a continuous process that yields homogeneous composition and enables facile control of the mean size.