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Search results for perovskite lattice

Condensed Matter Feb 24, 2020

Electron-hole recombination mechanism in halide perovskites

A research team led by Prof. Zhao Jin from Department of Âé¶¹ÒùÔºics, University of Science and Technology of China (USTC) of the Chinese Academy of Sciences found low-frequency lattice phonons in halide perovskites resulting ...

Nanophysics Feb 14, 2020

Researchers develop device that mimics brain cells used for human vision

University of Central Florida researchers are helping to close the gap separating human and machine minds.

Materials Science Feb 12, 2020

Cracks in perovskite films for solar cells easily healed, study finds

A new study reveals good news for the possibility of using perovskite materials in next-generation solar cells.

Ecology Jan 21, 2020

Plants absorb lead from perovskite solar cells more than expected

Lead from metal-organic perovskite compounds can be absorbed particularly easily by plants. The bioavailability is significantly higher than that of lead from inorganic compounds, as found in batteries. This is shown in a ...

Materials Science Jan 9, 2020

A way to increase structural stability in strained halide perovskites

A team of researchers from the U.S., Saudi Arabia and Australia has structurally stabilized halide perovskites when under strain. In their paper published in the journal Nature, the group describes their approach and their ...

Condensed Matter Jan 6, 2020

Constructive molecular configurations for surface-defect passivation of perovskite photovoltaics

Materials scientists aim to enable surface-trap-mediated nonradiative charge recombination to engineer highly efficient metal-halide perovskite photovoltaics (solar cells). Since unproductive charge recombination at surface ...

Quantum Âé¶¹ÒùÔºics Dec 10, 2019

New understanding of charge transport reveals an exotic quantum mechanical regime

In work that may have broad implications for the development of new materials for electronics, Caltech scientists for the first time have developed a way to predict how electrons interacting strongly with atomic motions will ...

Materials Science Dec 4, 2019

Mapping the energy transport mechanism of chalcogenide perovskite for solar energy use

For solar cells to be widely used in the coming decades researchers must resolve two major challenges: increasing efficiency and lowering toxicity.

Condensed Matter Oct 7, 2019

Âé¶¹ÒùÔºicists shine light on properties of potential solar cell material

Research led by University of Texas at Dallas physicists has altered the understanding of the fundamental properties of perovskite crystals, a class of materials with great potential as solar cells and light emitters.

Condensed Matter Jun 25, 2019

New findings could lead to cheaper solar cells

At the atomic scale materials can show a rich palette of dynamic behaviour, which directly affects the physical properties of these materials. For many years, it has been a dream to describe these dynamics in complex materials ...

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