Fano-Enhanced Circular Dichroism in Deformable Stereo Metasurfaces.
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DOI: 10.1002/adma.201907077
Abstract: 2D metasurfaces have emerged as a paradigm-shifting platform for light management with considerable miniaturization and alleviated fabrication challenges than their 3D counterparts. However, the appearance of in-plane mirror symmetry and reduced dimensions impose fundamental restraints… read more here.
Keywords: fano enhanced; dichroism; enhanced circular; circular dichroism ... See more keywords
Evidence of Optical Circular Dichroism in GaAs-Based Nanowires Partially Covered with Gold
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DOI: 10.1002/adom.201601063
Abstract: Semiconductor nanostructures hybridized with metals have been known to offer new opportunities in nonlinear optics, plasmonics, lasing, biosensors; among them GaAs-based nanowires (NWs) hybridized with gold can offer new functionalities, as chiral sensing and light… read more here.
Keywords: based nanowires; gaas based; partially covered; circular dichroism ... See more keywords
Plasmonic Circular Dichroism of Gold Nanoparticle Based Nanostructures
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DOI: 10.1002/adom.201801590
Abstract: With great advances in wet chemical synthesis of nanoparticles (NPs), plasmonic NPs with various sizes and morphologies are easily available nowadays and demonstrate great potentials in optical, electronic, and biomedical applications. Plasmonic circular dichroism (CD),… read more here.
Keywords: dichroism; plasmonic nps; circular dichroism; plasmonic circular ... See more keywords
Dual‐Functional Metasurface toward Giant Linear and Circular Dichroism
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DOI: 10.1002/adom.201902061
Abstract: As a kind of artificial surface composed of subwavelength meta‐atoms, metasurface has shown great potential in full vectorial electromagnetic manipulation. Here, a dual‐functional metasurface that is capable of generating 97% linear dichroism and 87% circular… read more here.
Keywords: dual functional; dichroism; metasurface toward; circular dichroism ... See more keywords
Tailoring Circular Dichroism for Simultaneous Control of Amplitude and Phase via Ohmic Dissipation Metasurface
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DOI: 10.1002/adom.202100140
Abstract: Circular dichroism, as one of the exotic phenomena, derives from chirality biomolecules in nature, expressing differential absorption of spin angular momentum. The concept of dichroism has been migrated to the field of artificial materials and… read more here.
Keywords: simultaneous control; dichroism; circular dichroism; amplitude phase ... See more keywords
Dielectric Chiral Metasurfaces for Second‐Harmonic Generation with Strong Circular Dichroism
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DOI: 10.1002/andp.202000078
Abstract: Dielectric chiral metasurfaces can generate harmonic waves with high efficiency and strong circular dichroism (CD), when they are supported by metallic substrates. Numerical results show that the second‐harmonic generation (SHG) efficiency of about 10−3% for… read more here.
Keywords: chiral metasurfaces; circular dichroism; dielectric chiral; second harmonic ... See more keywords
Stereochemical analysis of β-keto sulfoxides by circular dichroism.
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DOI: 10.1002/chir.22773
Abstract: Three β-keto sulfoxides (1-3) were synthesized in enantiopure form and investigated by means of circular dichroism (CD) spectroscopy, both in electronic and vibrational range (ECD, VCD), in combination with quantum chemical calculations. For compound 2,… read more here.
Keywords: keto sulfoxides; stereochemical analysis; spectroscopy; circular dichroism ... See more keywords
Circular dichroism studies of low molecular weight hydrogelators: The use of SRCD and addressing practical issues.
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DOI: 10.1002/chir.22850
Abstract: Circular dichroism (CD) spectroscopy has been used extensively for the investigation of the conformation and configuration of chiral molecules, but its use for evaluating the mode of self-assembly in soft materials has been limited. Herein,… read more here.
Keywords: low molecular; molecular weight; spectroscopy; circular dichroism ... See more keywords
Solvent-dependent inversion of circular dichroism signal in naproxen: An unusual effect!
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DOI: 10.1002/chir.22988
Abstract: The electronic circular dichroism (ECD) spectra of naproxen enantiomers were studied as a function of solvents using experimental (circular dichroism) and theoretical (time-dependent density functional theory) approaches. The (R)- and (S)-naproxen enantiomers presented an unusual… read more here.
Keywords: dichroism; solvent dependent; inversion circular; circular dichroism ... See more keywords
Resolution, structures, and vibrational circular dichroism of helicoidal trinickel and tricobalt paddlewheel complexes.
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DOI: 10.1002/chir.23211
Abstract: It has been recently shown that enantiomers of the helicoidal paddlewheel complex [Co3 (dpa)4 (CH3 CN)2 ]2+ (dpa = the anion of 2,2'-dipyridylamine) can be resolved using the chiral [As2 (tartrate)2 ]2- anion (AsT) and… read more here.
Keywords: ch3; dpa ch3; circular dichroism; dpa ... See more keywords
Competition between inter and intramolecular hydrogen bond evidenced by vibrational circular dichroism spectroscopy: The case of (1S,2R)-(-)-cis-1-amino-2-indanol.
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DOI: 10.1002/chir.23362
Abstract: The infrared (IR) absorption and vibrational circular dichroism (VCD) spectra of an intramolecularly hydrogen-bonded chiral amino-alcohol, (1S,2R)-(-)-cis-1-amino-2-indanol, are studied in DMSO-d6 . The spectra are simulated at the density functional theory (DFT) level within the… read more here.
Keywords: hydrogen; circular dichroism; spectroscopy; vibrational circular ... See more keywords