期刊
SCRIPTA MATERIALIA
卷 187, 期 -, 页码 125-129出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2020.06.007
关键词
Ruthenium; Structural color; Near-infrared tunability; Anodic aluminum oxide; Atomic layer deposition
类别
资金
- Mid-career Researcher Program through a National Research Foundation (NRF) of Korea [2019R1A2C2083934]
- Daegu Gyeongbuk Institute of Science and Technology R&D Program of the Ministry of Science and ICT of Korea [20-ET-08, 12-HRS-05]
- National Research Foundation of Korea [2019R1A2C2083934, 20-ET-08] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Here, we systematically investigate optical behaviors of ruthenium (Ru)-coated nanoporous anodic aluminum oxide (AAO) nanoarchitectures in the visible and near-Infrared (NIR) regions, where they are fabricated by an atomic layer deposition (ALD) process. Depending on the Ru thickness and the AAO dimensions, the Ru nanoarchitectures could be completely changed (tubular-type or wire-type Ru nanostructures), and the corresponding optical properties are critically affected. Brilliant structural colors are found from the Ru-coated AAO nanostructures, in which the color display covers the full visible range. Beyond the visible region, we also examine the optical behaviors of Ru-coated AAO nanostructures in the NIR region. (C) 2020 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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