All articles by Tim Wogan – Page 3
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ResearchFluorinated ligands stabilise perovskite solar cells
Findings offer new insight into how coatings interact with perovskites
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ResearchAnticounterfeiting secrets of Benjamin Franklin’s paper money revealed
Sophisticated analytical techniques brought to bear on US notes from the 18th century
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ResearchSilicon and perovskite work perfectly in tandem to produce 30%+ efficient solar cells
Combination of materials allows higher energy photons to be captured to beat silicon’s limit
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ResearchLiquid water could have carved Mars’ famous gullies
CO2 sublimation could have raised atmospheric pressure enough for liquid water to form
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ResearchHand-built caesium-based ‘artificial atoms’ used to create ‘synthetic’ benzene
Manufactured atoms offer chemists chance to play ‘mind games’ with matter and change bond order of molecules
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ResearchLithium dendrite understanding will help unpick durability issues of solid-state batteries
Fractures found to occur in two stages, with cracks initially occurring at pores
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ResearchIdentifying single atoms with x-ray specificity
Combining synchrotron x-rays with scanning tunnelling microscopy gives atomic resolution
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ResearchTwisted carbon nanotubes make ideal replacements for damaged ligaments
Rabbits and sheep can still walk and jump normally after transplantation of synthetic ligaments
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ResearchFlexible silicon solar cells could be rolled out on tricky to cover buildings
Bendy silicon cells should be cheaper than thin-film alternative
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ResearchLadder-like polymer that could halt electrical overheating divides opinion
Questions raised over reported structure and whether the polymer can even perform as researchers hope
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FeatureThe Sun rises on perovskites
With the first solar cells scheduled for commercial sale this year, Tim Wogan looks at the long, hard road to producing stable perovskite photovoltaics
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ResearchLess is more for copper catalyst when it comes to synthesising acetate from CO
Electrochemical process that targets specific intermediate produces valuable chemical feedstock more efficiently
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ResearchPulsed pyrolysis offers better way to breakdown plastics into their building blocks
US team hopes that catalyst-free system could be greener and more efficient than than other depolymerisation attempts
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NewsComposite achieves the virtually impossible – it’s electrically conducting, while thermally insulating
Material shows exceptional heat resistance while still conducting electricity and could find uses in aerospace
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ResearchUsed masks and plastic packaging turned into high-octane fuel at low temperatures
Endothermic reaction coupled with an exothermic one to keep the processes energy costs down
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ResearchUnique molecular state at ultracold temperatures points way to controlling chemical reactions
Deeper understanding of interactions close to absolute zero could also aid creation of exotic quantum matter
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ResearchZircon study prompts redox state rethink surrounding hydrothermal pools thought to harbour life’s first molecules
Research combining experiments with modelling suggests hydrothermal fluid was 30% as saline as sea water today and more oxidised than the surrounding mantle
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ResearchSuper-resolution microscopy ditches fluorescent tags for gentler imaging of live cells
Infrared laser technique could deliver benefits for study of cells’ biochemistry
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Research3D-printed single-atom catalysts brings industry use closer
Printing technique could allow more widespread application of exceptional catalytic particles
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ResearchIonic cooling offers way to end greenhouse gas use in refrigeration
A refrigeration cycle based on dissolving a salt could be a more environmentally-friendly method of cooling