Structural, Morphological, and Optical Characterisation of Tin Dioxide Powders with Nominal Manganese Additions Prepared by an Aqueous Sol–Gel Route
Sandeep Kumar Singh, Manmohan Mishra, Rajesh Kumar, Vishal Shukla, Vineeta Singh & Mahendra Kumar · Journal of Materials Science Research and Reviews · 2026
Tin dioxide (SnO₂) powders designated as undoped or as nominally containing 0.2 or 0.4 wt% manganese were prepared by an aqueous sol–gel method and examined using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and UV–visib...