Results 111 to 120 of about 1,323 (151)

Chiral Plasmonic Nanostructures on Achiral Nanopillars

Nano Letters, 2013
Chirality of plasmonic films can be strongly enhanced by three-dimensional (3D) out-of-plane geometries. The complexity of lithographic methods currently used to produce such structures and other methods utilizing chiral templates impose limitations on spectral windows of chiroptical effects, the size of substrates, and hence, further research on ...
Bongjun, Yeom, Huanan, Zhang, Hui, Zhang, Jai Il, Park, Kyoungwon, Kim, Alexander O, Govorov, Nicholas A, Kotov   +6 more
openaire   +2 more sources

Design of plasmonic nanostructures for chiral sensing

AIP Conference Proceedings, 2012
The chiral nature of many biomolecules would make highly sensitive enantiomer detection desirable. Utilizing the concept of optical chirality in nanophotonics and plasmonics we numerically analyze and compare different structures to meet the design criteria for increased sensitivity of such sensors.
Martin Schäferling, Mario Hentschel, Daniel Dregely, Xinghui Yin, Harald Giessen   +4 more
openaire   +1 more source

Photoinduced Chirality Switching of Metal-Inorganic Plasmonic Nanostructures

ACS Nano, 2020
Chiral plasmonic nanodevices whose handedness can be switched reversibly between right and left by external stimulation have attracted much attention. However, they require delicate DNA nanostructures and/or continuous external stimulation. In this study, those issues are addressed by using metal-inorganic nanostructures and photoinduced reversible ...
Kazeto Morisawa, Takuya Ishida, Tetsu Tatsuma   +2 more
openaire   +2 more sources

Optical characterization of chiral plasmonic nanostructures

Journal of Photochemistry and Photobiology C: Photochemistry Reviews, 2017
Abstract Chiral plasmonic nanomaterials can have circular dichroism and optical rotatory dispersion effects orders of magnitude larger than those observed in ordinary chiral molecules. Understanding this fascinating class of materials has proved challenging and has motivated several research groups to develop entirely new experimental techniques for ...
Kyle W. Smith, Stephan Link, Wei-Shun Chang   +2 more
openaire   +1 more source

Chiral Plasmonic Nanostructures Fabricated by Circularly Polarized Light

Nano Letters, 2018
The chirality of materials results in a wide variety of advanced technologies including image display, data storage, light management including negative refraction, and enantioselective catalysis and sensing. Here, we introduce chirality to plasmonic nanostructures by using circularly polarized light as the sole chiral source for the first time.
Koichiro Saito, Tetsu Tatsuma
openaire   +2 more sources

AFM reconstruction of complex-shaped chiral plasmonic nanostructures

Ultramicroscopy, 2017
A significant part of the optical metamaterial phenomena has the plasmonic nature and their investigation requires very accurate knowledge of the fabricated structures shape with a focus on the periodical features. We describe a consistent approach to the shape reconstruction of the plasmonic nanostructures.
A V, Kondratov, O Y, Rogov, R V, Gainutdinov   +2 more
openaire   +2 more sources

Plasmonic Core–Satellites Nanostructures with High Chirality and Bioproperty

The Journal of Physical Chemistry Letters, 2013
In this Letter, gold nanorods (Au NRs) and gold nanoparticles (Au NPs) were assembled into core-satellites (Au NR-NPs) nanostructures using DNA as the linkers. Circular dichroism (CD) measurements of the nanoassemblies displayed two plasmonic CD (PCD) peaks in the vicinity of the surface plasmon resonance (SPR).
Liguang, Xu, Changlong, Hao, Honghong, Yin, Liqiang, Liu, Wei, Ma, Libing, Wang, Hua, Kuang, Chuanlai, Xu   +7 more
openaire   +2 more sources

Assembling gold nanobipyramids into chiral plasmonic nanostructures with DNA origami

Chemical Communications, 2021
Chiral AuBNP dimer nanostructures with stronger CD signals than AuNR dimers.
Jinyi Dong, Yihao Zhou, Jiahao Pan, Chao Zhou, Qiangbin Wang   +4 more
openaire   +2 more sources

Chiral Metamaterial Composed of Three-Dimensional Plasmonic Nanostructures

Nano Letters, 2011
We introduce a top-down fabricated metamaterial composed of three-dimensional, chiral, plasmonic nanostructures for visible and near-infrared wavelengths. Based on a combined spectroscopic and interferometric characterization, the entire complex transmission response in terms of a Jones matrix is disclosed.
Helgert, C., Pshenay-Severin, E., Falkner, M., Menzel, C., Rockstuhl, C., Kley, E.-B., Tünnermann, A., Lederer, F., Pertsch, T.   +8 more
openaire   +3 more sources

Chiral Plasmonic Hybrid Nanostructures: A Gateway to Advanced Chiroptical Materials

Advanced Materials, 2023
AbstractChirality introduces a new dimension of functionality to materials, unlocking new possibilities across various fields. When integrated with plasmonic hybrid nanostructures, this attribute synergizes with plasmonic and other functionalities, resulting in unprecedented chiroptical materials that push the boundaries of the system's capabilities ...
Lili Tan, Wenlong Fu, Qi Gao, Peng‐peng Wang   +3 more
openaire   +2 more sources