Materials – Page 68
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ResearchDesigning blue organic LEDs from scratch
Researchers believe their work will help others produce highly efficient, metal-free devices
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ResearchSpinach chlorophyll activates polymer production line
Light energy channelled into biomedically useful molecules
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ResearchShining a light on rewritable paper
Plastic ‘paper’ written on with UV light and wiped cleaned with heat
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ResearchZeolites net new carbon allotropes
Six new forms of carbon predicted using known topologies from the zeolite field
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ResearchGraphene’s showdown with the man with the golden gun
Tests with supersonic micro-bullets show that multilayer graphene could make first-rate body armour
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ResearchConductive clay rolled out to store energy
Simplified synthesis of a known supercapacitor produces a dough-like material with surprising energy-storing abilities
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ReviewRare: the high-stakes race to satisfy our need for the scarcest metals on earth
Exceptional elements
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ResearchBeetle behind breath test for bank notes
Photonic crystal inks inspired by longhorn beetle could help to fight counterfeiting
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ResearchPersuading proteins to form porous polyhedra
Protein cage structure shows the way to building biomolecular architectures
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ResearchGood vibrations brighten superconductor outlook
By coupling to phonons in their selenium titanate substrate’s lattice, electrons in iron selenide become superconductive below 65K
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ResearchFrom beehive to bone cement
Compound used by bees inspires antimicrobial biomaterial with superior strength
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ResearchHomes can wrap up warm with super-insulating foam
Graphene oxide, clay and cellulose nanofibres turned into a cheap, fireproof insulator that performs better than conventional materials
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PodcastSelenium dioxide
It smells of ‘rotting horseradish’ but gives glass a magnificent red colour – Brian Clegg shines a light on selenium dioxide
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ResearchReview finds nanosafety is no small issue
Audit of safety studies reveals shortcomings that distort our understanding of nanomaterial toxicity
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Research2D arsenic allotrope predicted
Graphene-like monolayer could be made by exfoliating grey arsenic
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ResearchSelf-cleaning surfaces from scrap silicone
Simple mechanical process converts waste silicone into a superhydrophobic material
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FeatureHarvesting heat
Philip Ball looks at the thermoelectric materials that harness waste heat and turn it into useful energy