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Tungsten disulfide hollow spherical nanoparticles with diameters of about 100 nm modified by trioctylamine (TOA) have been successfully prepared by a solvothermal process in pyridine. For comparison, WS 2 sample was also prepared without TOA modification and sheet-like pieces and their irregular aggregates were obtained. The products were characterized by X-ray power diffraction (XRD), X-ray...
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