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. 2014 Nov 14;4:7050. doi: 10.1038/srep07050

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Photographic images of (a) pure Ni foil before APCVD growth, (b) Ni foil after MGF APCVD growth, (c) Two minutes later, MGFs detaching from Ni foil in ferric chloride solution, (d) MGFs and PACF after Ni foil completely etched, (e) free-standing HCF (inset shows the three-layer hybrid structure –MGF/PACF/MGF), (f) Ni foil after the removal of MGFs, (g) PACF after Ni foil completely etched, (h) PACF and (i) HCF on flexible plastic sheets.