Zouheir Sekkat
A theory of vectorial, photochemically-induced motion of matter is reported. Molecules become mobile when they are photo-selected in a gradient of light intensity. The motion occurs in the direction of the vector of the intensity gradient, and its efficiency depends on the respective orientations of the vectors of light polarization and intensity gradient. Directional motion is imparted into materials containing such smart molecules. The theory well describes experimental observations, and its application to different types of gradients and light polarization excitations is considered. The theory opens important perspectives for the transport of matter by light.
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