Demonstration of material variety. (IMAGE)
Caption
(A) Fluorescent image of two dragons of CdSe QDs without shrinking; the inset shows a resolution of ~200 nm. (B-F) SEM (top) and EDX (bottom) images of a monkey of Ag; pig of Au-Ag alloy; snake of TiO2; dog of Fe3O4; and rabbit of NaYREF4, respectively. (G) Designed dragon patterns in (A). (H) Optical microscopy image of an ox of diamond. (I-M) Fluorescent images of a tiger of graphene QDs; goat of fluorescent Au; horse of polystyrene; rooster of fluorescein; and mouse of fluorescent protein, respectively. (N-R) 3D models and fluorescent images (maximum-intensity projection) of the fabricated structures in shapes of a C60 molecule, regular dodecahedron, regular octahedron, cube, and regular tetrahedron of different materials, respectively. (S) Top view of a five-layer split ring resonator (SRR) structure; inset: SRR unit; and (T) trimetric view of the SRR structure; inset: slice view of an SRR unit. (U) SEM image of the top layer of an SRR structure after shrinking and dehydration. (V) 3D model of a woodpile structure containing 16 vertical rods along the z-axis. (W, X) SEM cross-sectional images of the fabricated woodpile at the two cut planes in (V), respectively. (Substrate tilt angle: 52°). Scale bars are 1 µm for (B-F, U, W, X, and the insets of S and T); and 10 µm for (A, H-M, N-T).
Credit
Chinese University of Hong Kong
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