3 years ago

Graphene Enabled Optoelectronics on Paper.

Osman Balci, Coskun Kocabas, Hasan Burkay Uzlu, Nurbek Kakenov, Emre O. Polat, Evgeniya Kovalska

The realization of optoelectronic devices on paper has been an outstanding challenge due to the large surface roughness and incompatible nature of paper with optical materials. Here, we demonstrate a new class of optoelectronic devices on a piece of printing paper using graphene as an electrically reconfigurable optical medium. Our approach relies on electro-modulation of optical properties of multilayer graphene on paper via blocking the interband electronic transitions. The paper based devices yield high optical contrast in the visible spectrum with fast response speed. Pattering graphene into multiple pixels, folding paper into 3-dimensional shapes or printing coloured ink on paper substrates enable us to demonstrate novel optoelectronic devices which cannot be realized with wafer-based techniques.

Publisher URL: http://arxiv.org/abs/1801.04616

DOI: arXiv:1801.04616v1

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