期刊
ACS PHOTONICS
卷 2, 期 9, 页码 1246-1252出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsphotonics.5b00196
关键词
glancing angle deposition; chiral metamaterial; plasmonics; circular dichroism; patchy particles
类别
资金
- National Science Foundation [ECCS-1029609, CMMI-1435309]
- Div Of Civil, Mechanical, & Manufact Inn
- Directorate For Engineering [1435309] Funding Source: National Science Foundation
Ag glancing angle depositions on polycrystalline colloid monolayers can produce a variety of chiral or achiral Ag nanostructures in different colloid monolayer domains, whose geometric shapes strongly depend on the monolayer orientations. The morphological and chiroptical properties of these Ag nanostructures in different colloid monolayer domains are investigated both experimentally and theoretically, and their relationship has been revealed. Extremely strong local circular dichroism is observed for the domains with obviously chiral morphologies. Under the guidance of this individual domain study, large-area chiral metamaterials can be fabricated on the monocrystalline monolayers with strong, uniform, and tunable chiroptical response, which can be potentially developed into optical devices.
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