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• Scheme illustrating the facile solution-phase deposition approach; high-magnification SEM and TEM images of the porous flower-like Se patterns; XRD pattern, XPS and Raman spectra of the as-prepared porous apple-like Se microspheres; high-magnification SEM images, TEM image and XRD pattern of the porous lotus-root-like selenium microspheres; low-magnification SEM images of the porous walnut-like spheres; SEM images of other selenium products; XRD patterns of the intermediates collected in the formation of the porous t-Se apple-like microspheres; table summarising the shapes of t-Se porous microstructures obtained under various conditions
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