The same issue of Science features another approach to engineering superlattices using DNA nanotechnology: «Diamond family of
nanoparticle superlattices» [abstract].
The researchers used a combination of numerical simulations and optical spectroscopy techniques to identify particular
nanoparticle superlattices that absorb specific wavelengths of visible light.
Not exact matches
Controlling the self - assembly of
nanoparticles into
superlattices is an important approach to build functional materials.
Taking child's play with building blocks to a whole new level - the nanometer scale - scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have constructed 3D «
superlattice» multicomponent
nanoparticle arrays where the arrangement of particles is driven by the shape of the tiny building blocks.
Northwestern University researchers have developed a new method to precisely arrange
nanoparticles of different sizes and shapes in two and three dimensions, resulting in optically active
superlattices.
The research is described in this Brookhaven National Laboratory news release «Scientists Guide Gold
Nanoparticles to Form «Diamond»
Superlattices ``:
When mixed and annealed, the tetrahedral arrays formed
superlattices with long - range order where the positions of the gold
nanoparticles mimics the arrangement of carbon atoms in a lattice of diamond, but at a scale about 100 times larger.