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161 Current news about the topic photovoltaics

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A novel concept for photovoltaics

15-Nov-2022

The group of Prof. Yana Vaynzof at the Integrated Center for Physics and Photonic Materials (IAPP) and the Center for Advancing Electronics Dresden (cfaed) at Technische Universität Dresden has demonstrated a novel concept for solar cells, that exploits the ability of materials to exist in ...

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Building blocks of the future for photovoltaics

Research team observes formation of "dark" moiré interlayer excitons for the first time

19-Aug-2022

An international research team led by the University of Göttingen has, for the first time, observed the build-up of a physical phenomenon that plays a role in the conversion of sunlight into electrical energy in 2D materials. The scientists succeeded in making quasiparticles – known as dark Moiré ...

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Predicting solar cell performance from terahertz and microwave spectroscopy

Reliably determine the mobility and lifetime of the charge carriers in new semiconducting materials

08-Mar-2022

Many semiconducting materials are possible candidates for solar cells. In recent years, perovskite semiconductors in particular have attracted attention, as they are both inexpensive and easy to process and enable high efficiencies. Now a study with 15 participating research institutions shows ...

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“Workhorse” of photovoltaics combined with perovskite in tandem for the first time

28-Feb-2022

So-called PERC cells are used in mass production of silicon solar cells, they are considered the workhorses of photovoltaics, dominating the market. Now two teams from HZB and the Institute for Solar Energy Research in Hamelin (ISFH) have shown that such standard silicon cells are also suitable ...

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PERC Solar Cells from 100 Percent Recycled Silicon

10-Feb-2022

Around ten thousand tons of silicon in discarded photovoltaic modules end up on the recycling market annually in Germany. This figure will rise to several hundred thousand tons per year by 2029. Currently, the aluminum, glass and copper of the discarded modules are reprocessed, however, the ...

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Columns Designed from Nanographenes

Several layers of nanographenes stacked on top of each other: such functional elements could one day be used in solar cells

09-Feb-2022

Graphene is a carbon material that forms extremely thin layers. Because of its unusual properties, it is interesting for many technical applications. This also applies to polycyclic aromatic hydrocarbons (PAHs), which can be regarded as cut-outs of graphene. They are considered promising ...

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Dye-sensitized solar cells: An ironclad future

The holy grail of photovoltaic research is the development of sensitizers using iron

18-Nov-2021

Solar energy plays an important role in the fight against climate change as a substitute for fossil fuels. Dye-sensitized solar cells promise to be a low-cost supplement to the photovoltaic systems we know today. Their key feature is the dye sensitizers attached to their surface. Researchers at ...

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New technique paves the way for perfect perovskites

22-Oct-2021

An exciting new solar material called organic-inorganic halide perovskites could one day help the U.S. achieve its solar ambitions and decarbonize the power grid. One thousand times thinner than silicon, perovskite solar materials can be tuned to respond to different colors of the solar spectrum ...

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Novel polymer can boost performance of organic and perovskite solar cells

17-Sep-2021

Skoltech researchers and their colleagues have synthesized a new conjugated polymer for organic electronics using two different chemical reactions and shown the impact of the two methods on its performance inorganic and perovskite solar cells. The paper was published in the journal ...

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Solar cells: Layer of three crystals produces a thousand times more power

The result surprised even the research group

21-Jul-2021

The photovoltaic effect of ferroelectric crystals can be increased by a factor of 1,000 if three different materials are arranged periodically in a lattice. This has been revealed in a study by researchers at Martin Luther University Halle-Wittenberg (MLU). They achieved this by creating ...

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