Two-dimensional (2D) perovskites are multiple quantum well (QW) structures formed by alternating inorganic and organic layers. They are promising in applications of solar cells, LEDs, and photodetectors.
Nanophysics
Mar 24, 2021
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7
Light-absorbing molecules can transform photons into electricity or fuels by shuttling electrons from one atom to another. In many cases the molecules are surrounded by a solvent—water, in the case of photosynthesis—and ...
Analytical Chemistry
Mar 15, 2021
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26
Rising temperatures could reduce the efficiency of food chains and threaten the survival of larger animals, new research shows.
Ecology
Mar 1, 2021
1
185
The unique properties of rare earth (RE) complexes including ligand-sensitized energy transfer, fingerprint-like emissions and long-lived emissions, make them promising materials for many applications, such as optical encoding, ...
Materials Science
Feb 17, 2021
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7
In recent years, lead-free halide perovskite nanocrystals have drawn more and more attention due to their low toxicity, high stability and chemical diversity.
Analytical Chemistry
Jan 26, 2021
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6
Princeton Chemistry's Scholes Group is reporting evidence that quantum vibrations participate in electron transfer, establishing with ultrafast laser spectroscopy that the vibrations provide channels through which the reaction ...
Condensed Matter
Dec 10, 2020
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606
That carbon nanotubes fluoresce is no longer a surprise. Finding a second level of fluorescence is surprising and potentially useful.
Materials Science
Dec 4, 2020
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20
Optical barcodes enable detection and tracking via unique spectral fingerprints. They've been widely applied in areas ranging from multiplexed bioassays and cell tagging to anticounterfeiting and security. Yu-Cheng Chen of ...
Optics & Photonics
Oct 30, 2020
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66
Diatoms are a group of phytoplankton that is widely distributed in the hydrosphere and even in moist soil. They play important roles in global carbon-oxygen cycles and provide valuable products and biomasses. Diatom cells ...
Biochemistry
Oct 22, 2020
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96
Colliding droplets are ubiquitous in everyday technologies such as combustion engines and sprays, and in natural processes such as raindrops and in cloud formation. The collision outcomes depend on the velocity of impact, ...
