Fig. 4From: One-Pot Green Synthesis of Ag-Decorated SnO2 Microsphere: an Efficient and Reusable Catalyst for Reduction of 4-NitrophenolTypical nitrogen adsorption–desorption isotherm of the prepared SnO2/Ag microspheres prepared at 150 °C for different hydrothermal times a 5 h, b 10 h, c 24 h, and d 36 hBack to article page