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“The important thing here is that a ferroelectric material is alternated with a paraelectric material. Although the latter does not have separated charges, it can become ferroelectric under certain conditions, for example at low temperatures or when its chemical structure is slightly modified,” the physicist said.

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In their paper , the researchers explained that most solar cells are currently silicon-based, which means that their efficiency is limited. This is what prompted them to examine the properties of barium titanate, a mixed oxide made ...

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The scientist also said further research must now be done to find out exactly what causes the outstanding photoelectric effect. Yet, he is confident that the potential demonstrated by the new concept can be used for practical applications in solar panels.

“The layer structure shows a high...

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Unlike silicon, ferroelectric crystals do not require a so-called pn junction to create the photovoltaic effect, in other words, no positively and negatively doped layers. This makes it much easier to produce solar panels.

Bhatnagar explained that pure barium titanate does not absorb much s...

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Researchers at Martin Luther University Halle-Wittenberg achieved an increase in the photovoltaic effect of ferroelectric crystals by a factor of 10 by creating crystalline layers of barium titanate, strontium titanate and calcium titanate, which they alternately placed on top of one another.

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Recent discovery may give solar cells 1,000% more power - MINING.COM

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In their paper , the researchers explained that most solar cells are currently silicon-based, which means that their efficiency is limited. This is what prompted them to examine the properties of barium titanate, a mixed oxide made ...

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