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Figure 3

From: A mild aqueous synthesis of ligand-free copper nanoparticles for low temperature sintering nanopastes with nickel salt assistance

Figure 3

Morphological observation and crystal structure analysis of Cu NPs. (a) FE-SEM images and (b) XRD patterns of solid particles formed by changing the metal salt species: (i) CoCl2; (ii) ZnCl2; (iii) FeCl2; (iv) TiCl4; (v) SnCl4; (vi) PdCl2. The ratio of [metal salts]/[CuO] was fixed to 0.10. The scale bar shown in (a)-(vi) is the same for all images in (a).

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