Figure 2

SEM images of the product P1 (A), P2 (B), P3 (C) and P4 (D), respectively; the inset of (B) is a magnified SEM image of the representative Bi2Te3 nanoplates.

SEM images of the product P1 (A), P2 (B), P3 (C) and P4 (D), respectively; the inset of (B) is a magnified SEM image of the representative Bi2Te3 nanoplates.