Apart from basics we will look at photon and electron transport as well as molecular motion in out-of-equilibrium systems.Ĭhirality is a geometrical property of certain objects. In this contribution we review the relation between mirror image related symmetry or chirality and optoelectronic properties of materials. For materials science one may hope that consideration of symmetry can bring a similar level of insight. From elementary particle physics we can learn that symmetry is an effective tool to classify the large number of sub-atomic particles that have been discovered. This raises the question of how we can navigate the vast parameter and property space associated with these new materials and their capabilities.
Introduction Our ability to make new materials with tailored properties has greatly improved. In particular, we investigate out-of-equilibrium systems where spatial and time-inversion symmetry provides a framework to understand and control electronic transport and molecular rotational motion. Here we review new optical, optoelectronic and mechanical properties that chiral materials can have but are not allowed in mirror symmetric compounds. As a consequence of the absence of these symmetry elements, chiral materials show a number of properties and effects which are forbidden in achiral materials. Chirality refers to the absence of a mirror image related symmetry in objects, materials and molecules.
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