목차
1. 서론 1
2. 대면적 플라즈모닉 나노구조체 2
2.1. 나노구멍 템플레이트 기반 플라즈모닉 나노구조체 2
2.2. 나노막대를 이용한 3차원 분포 플라즈모닉 나노구조체 5
2.3. 환원 공정을 이용한 플라즈모닉 나노구조체 제조 7
3. 결론 7
참고문헌 8
Fig 1. Schematic of plasmon oscillation for a sphere, showing the displacement of the conduction electroncharge cloud relative to the nuclei 1
Fig 2. E-field contours for radius 30 and 60 nm Ag spheres in a vacuum. Two cross-sections are depicted for each sphere. (a, b) The plane containing the propagationand polarization axes and (c, d) the plane perpendicular to the propagation axis.... 1
Fig 3. Field emission scanning electron microscopy (FESEM)images for porous anodic aluminum oxide (AAO) with different pore diameter. A right image shows the cross-section of AAO 2
Fig 4. (a) Transmission electron microscopy (TEM) image of the Ag nanoparticles in AAO. (b) Raman intensity dependent to the gap between Ag nanoparticles(W) 2
Fig 5. (a) Thermally evaporated Au on AAO with the size of 5x5 cm2. The nanopores in AAO was maintained by controlling the thickness of evaporated Au. (b) Raman signals according to the thickness of evaporated Au. (c) Raman signals according... 3
Fig 6. (a) Composition of Au-coated AAO. The structure consists of a plasmonic layer at the top, a dielectric layerat the center, and a mirror layer at the bottom. (b) Coupling of surface plasmons and interference. Strong plasmonic absorption takes places... 3
Fig 7. (a) Local field distribution and interference fringe patternsin the 3D plasmonic nanostructure with the same thickness (tAAO = 300 nm) of a dielectric layer under different wavelengths. When the constructive interference is positioned on the... 4
Fig 8. (a) Color gamut for structural color display based on the reflectance spectra for 3D plasmonic nanostructures.The photographs show each color according to the thickness of the dielectric layer. The structural color covers the full visible range as shown.... 4
Fig 9. Mechanism for nanotriplet formation on AAO via dewetting. (a) Evaporated gold on AAO template. The gold thickness was 20 nm. Separated gold bowls were formed in each AAO nanopore. (b) Intermediately dewetted gold on AAO at 400 °C (△T1).... 4
Fig 10. Dewetting behaviors of gold on AAO according to the AAO pore size. Schematics and FE-SEM images for dewetted gold on AAO with different pore size (Dp) (a) 30, (b) 45, (c) 70, and (d) 80 nm 5
Fig 11. Proposed mechanism for the formation of gold nanotripleton AAO by dewetting 5
Fig 12. Effect of AAO depth on the core formation. Crosssectional schematics and FE-SEM images for dewetted gold on AAO with different depth (tAAO) (a) 70, (b) 140, (c) 280, and (d) 560 nm. The AAO pore diameter was 80 nm. and the gold thickness was... 5
Fig 13. Sidewall SEM image of high density hot spots generated by nanogap-rich silver nanoislands surrounding glass nanopillars and the calculated electric field distribution near the hot spots 6
Fig 14. (a) Epitaxial growth of ZnO nanorods on a GaN substrate. (b) Au thin film deposited on the ZnO nanorods by thermal evaporation. (c) Dewetted Au nanoparticles on the surface of ZnO nanorods by simple annealing for 3 hr at 650?C.... 6
Fig 15. Fabrication process for the plasmon-integrated electrode. (a) Schematic and FE-SEM images for the formation of silver nanoparticles on vertically aligned multiwalled carbon nanotube electrode. (b) Photograph of large-area 3D... 6
Fig 16. The diameter (DAg) of self-assembled silver nanoparticles and the gap (GAg) between the nanoparticles according to (a) the length of the MWNTs (LMWNT) and (b) silver thickness (tAg). The values are average and the error bars are standard... 6
Fig 17. Schematic illustration of a plasmonic Au/graphene assembly at room temperature by reduction process of Au ion on graphene 7
Fig 18. Cyclic effect of reduction process for the Au nanoparticles. Size histograms of reductive Au nanoparticles according to spin-coating of (a) 1 cycle, (b) 2 cycles,and (c) 4 cycles. (d) SEM image of Au nanoparticles on graphene after 4... 7