3 years ago

A molecular spin-photovoltaic device

Roger Llopis, Xiangwei Zhu, Ainhoa Atxabal, Saül Vélez, Luis E. Hueso, Subir Parui, Xiangnan Sun, Fèlix Casanova, Amilcar Bedoya-Pinto

We fabricated a C60 fullerene–based molecular spin-photovoltaic device that integrates a photovoltaic response with the spin transport across the molecular layer. The photovoltaic response can be modified under the application of a small magnetic field, with a magnetophotovoltage of up to 5% at room temperature. Device functionalities include a magnetic current inverter and the presence of diverging magnetocurrent at certain illumination levels that could be useful for sensing. Completely spin-polarized currents can be created by balancing the external partially spin-polarized injection with the photogenerated carriers.

Publisher URL: http://science.sciencemag.org/cgi/content/short/357/6352/677

DOI: 10.1126/science.aan5348

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