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. 2019 Aug 27;6(20):1901461. doi: 10.1002/advs.201901461

Figure 2.

Figure 2

TEM images of a) pure Cu2 −xS NPs, b) thin‐shell Cu2 −xS@MnS CSNPs, c) intermediate‐shell Cu2 −xS@MnS CSNPs, and d) thick‐shell Cu2 −xS@MnS CSNPs.