Researchers at Kaunas University of
Technology (KTU) Organic Chemistry laboratories have developed material
which offers much cheaper alternative to the one which is currently
being used in hybrid solar cells. The efficiency of the semi-conductors
created by the team of KTU's chemists was confirmed at Swiss Federal
Institute of Technology Lausanne.
"The material created by us is considerably cheaper and the process
of its synthesis is less complicated than that of the currently used
analogue material. Also, both materials have very similar efficiency of
converting solar energy into electricity. That means that our
semiconductors have similar characteristics to the known alternatives,
but are much cheaper," says professor Vytautas Getautis, head of the
chemistry research group responsible for the discovery.
The solar cells containing organic semiconductors created at KTU were
constructed and tested by physicists at Lausanne. The tests revealed
outstanding results: the effectivity of the cells' converting solar
energy into electricity was 16.9 percent. There are only a few organic
semiconductors in the world affording such a high solar cell efficiency.
Prof Getautis says that the material created at KTU will be used in
the construction of future solar cells: almost all solar cells are made
from inorganic semiconductors. Hybrid, semi-organic solar cells are
still being developed and perfected at the research centres all over the
world.
KTU and Swiss Federal Institute of Technology Lausanne registered the invention at the European Patent Office.
The work was featured in Angewandte Chemie International Edition.
Story Source:
The above post is reprinted from
materials provided by
Kaunas University of Technology (KTU).
Note: Materials may be edited for content and length.
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