When the pyrolysis temperature exceeded 900 °C, the specific surface area of the prepared samples showed a decreasing trend, which could be attributed to the collapse of the pore structure due to the excessively high temperature.
1
—
—
When the pyrolysis temperature exceeded 900 °C, the specific surface area of the prepared samples showed a decreasing trend, which could be attributed to the collapse of the pore structure due to the excessively high temperature.