This is what the European PULSE-COM project intends to implement starting from a patent jointly developed by ENEA and Cnr, in collaboration with the University of Grenoble (France), and already extended to Europe and the United States.
“These are new generation polymeric materials that deform when they are stressed by light, both natural and artificial. In particular, when these materials are in the form of films they are able to fold thanks to a mechanism that modifies the molecular geometry due to light radiation", explains the scientific manager of the project, Giuseppe Nenna, researcher ENEA of the Nano Materials and Devices Laboratory of the Portici Research Center (Naples). "The photomobile polymer equipped with suitable electrical contacts - he adds - can be used to make sensors and switches that are not currently on the market".
The devices will be integrated into more complex optoelectronic systems through a "high-risk incremental" research funded by the European project FET, with the aim of arriving at the realization of cutting-edge applications such as opto-switches, opto-microvalves and energy harvesting systems .
“The devices that we are going to design will serve as actuators, i.e. to move small objects, and can be used as light sensors or even for the recovery of solar energy through their movement. The applications are therefore multiple because they concern everything for which a movement can be used through the use of a light source”, concludes Nenna.
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