Figure 1. SEM images of Bi2S3 (A), In2S3 (B), hierarchical In2S3/Bi2S3 core/shell hybrid (In-Bi-30) (C), and XRD pattern (D) of the three samples: Bi2S3 (a), In2S3 (b), hierarchical Bi2S3/In2S3 core/shell hybrid (In-Bi-30) (c).
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