Fig. 9

(a) EDX mapping of all constituents in the GB6 sample and the EDX mapping of the distribution of each component, i.e., (b) carbon, (c) fluorine, and (d) boron.

(a) EDX mapping of all constituents in the GB6 sample and the EDX mapping of the distribution of each component, i.e., (b) carbon, (c) fluorine, and (d) boron.