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| Green on red: (A) PL image of a CdSSe lateral heterostructure nanosheet excited by 405nm continuous-wave laser. (B) TEM image of the same nanosheet. The scale bars in (A) and (B) are 10 μm long. (C) Comparison of sulfur molar fraction between EDS scan (hallow triangles) and micro-PL scan (solid squares) along the white dashed line in (A) and (B). |
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