The as-prepared SnO2/carbonaceous precursors were treated by an inductively coupled plasma (ICP) apparatus, which consisted of a three-neck glass bottle and several cycles of copper wire wrapped around the glass bottle.
The as-prepared SnO2/carbonaceous precursors were treated byan inductively coupled plasma (ICP) apparatus, which consisted ofa three-neck glass bottle and several cycles of copper wire wrappedaround the glass bottle.