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(a) TEM image of Cu96NW@Ag4NP hybrids; (b) HAADF-STEM image and the corresponding elemental mappings of one Cu96NW@Ag4NP hybrid; (c) HRTEM image of one Cu96NW@Ag4NP hybrid & FFT diffractograms of regions I–III marked; (d) XRD patterns of Ag NPs, Cu NWs, and CuNW@AgNP hybrids; the marked region indicates a diffraction peak from Ag (111) planes (see Figure S5); (e) Cu 2p XPS spectra of CuNW@AgNP hybrids and Cu NWs; (f) XANES spectra of Cu96NW@Ag4NPs and Cu NWs.
