Abstract

Two-dimensional SnO2 nanomaterials hold great potential for new advanced applications, such as solar cells, batteries, and gas sensors. Here, we report a large-scale synthesis of high-quality ultrathin SnO2 nanosheets from ball-milled commercial SnO2 powder under mild hydrothermal conditions. These nanosheets show a graphene-like morphology with large planar area, ultrathin thickness (2–5nm), and high percentage of surface atoms. Dissolution/hydrolysis/precipitation is proposed as a growth mechanism.

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