Cole et al. report the fabrication of free-standing, horizontally aligned carbon nanotube membranes.
Optics
Hybrid graphene–giant nanocrystal quantum dot assemblies
New work shows that new class of nanocrystals coupled to graphene causes bi-excitons to experience recombination and simultaneous emission of photon pairs.
Forcing light into a log spiral
Singaporean researchers have used logarithmic spirals to study light-matter interaction at the microscale, and discovered a previously unknown phenomenon.
Advanced Optical Materials – September Issue Covers
Check out the articles highlighted on the covers of the latest issue of Advanced Optical Materials.
Monitoring retina inflammation with Raman spectroscopy
Raman spectroscopy of the retina coupled with multivariate analysis might become a promising tool to study retina diseases in vivo.
SERS probes from silver microneedles get under the skin
Scientists from NTU have suggested the use of metal-coated microneedles to improve below-skin Raman spectroscopy.
A new twist for structural colour
Reflecting 30% of the light that hits it, the Pollia condensata berry uses structural colour—no chemical pigments—to outshine even the morpho butterfly.
Imaging unbalanced tendons with SHG
Researchers have imaged the structural organization of tendon with second harmonic generation microscopy.
Nanofiber sensor can detect and size a single nanoparticle
Chinese group develop a novel nanofiber-array sensor and experimentally demonstrate its potential in the detection and sizing of single nanoparticles.
Nanoparticle concentration measured acoustically
Three-dimensional optoacoustic tomography enables quantitative measurements of nanoparticle concentrations to evaluate their biodistributions in animal models.
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