| Autor: |
Koya AN; Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy., Zhu X; Department of Electrical and Computer Engineering, University of California, Santa Cruz, California 95064, United States., Ohannesian N; Department of Electrical and Computer Engineering, University of Houston, Houston Texas 77204, United States., Yanik AA; Department of Electrical and Computer Engineering, University of California, Santa Cruz, California 95064, United States., Alabastri A; Department of Electrical and Computer Engineering, Rice University, Houston, Texas 77005, United States., Proietti Zaccaria R; Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy.; Cixi Institute of Biomedical Engineering, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Zhejiang 315201, China., Krahne R; Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy., Shih WC; Department of Electrical and Computer Engineering, University of California, Santa Cruz, California 95064, United States., Garoli D; Istituto Italiano di Tecnologia, via Morego 30, I-16163 Genova, Italy.; Faculty of Science and Technology, Free University of Bozen, Piazza Università 5, 39100 Bolzano, Italy. |
| Abstrakt: |
The field of plasmonics is capable of enabling interesting applications in different wavelength ranges, spanning from the ultraviolet up to the infrared. The choice of plasmonic material and how the material is nanostructured has significant implications for ultimate performance of any plasmonic device. Artificially designed nanoporous metals (NPMs) have interesting material properties including large specific surface area, distinctive optical properties, high electrical conductivity, and reduced stiffness, implying their potentials for many applications. This paper reviews the wide range of available nanoporous metals (such as Au, Ag, Cu, Al, Mg, and Pt), mainly focusing on their properties as plasmonic materials. While extensive reports on the use and characterization of NPMs exist, a detailed discussion on their connection with surface plasmons and enhanced spectroscopies as well as photocatalysis is missing. Here, we report on different metals investigated, from the most used nanoporous gold to mixed metal compounds, and discuss each of these plasmonic materials' suitability for a range of structural design and applications. Finally, we discuss the potentials and limitations of the traditional and alternative plasmonic materials for applications in enhanced spectroscopy and photocatalysis. |
