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Photovoltaic Effect in an Electrically Tunable van der Waals Heterojunction

Furchi, Marco M ; Pospischil, Andreas ; Libisch, Florian ; Burgdörfer, Joachim ; Mueller, Thomas

Nano letters, 2014-08, Vol.14 (8), p.4785-4791 [Periódico revisado por pares]

Washington, DC: American Chemical Society

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Título:
Photovoltaic Effect in an Electrically Tunable van der Waals Heterojunction
Autor: Furchi, Marco M ; Pospischil, Andreas ; Libisch, Florian ; Burgdörfer, Joachim ; Mueller, Thomas
Assuntos: Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Cross-disciplinary physics: materials science; rheology ; Electronics ; Exact sciences and technology ; Fullerenes and related materials; diamonds, graphite ; Letter ; Materials science ; Molecular electronics, nanoelectronics ; Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals ; Physics ; Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices ; Specific materials ; Structure of solids and liquids; crystallography
É parte de: Nano letters, 2014-08, Vol.14 (8), p.4785-4791
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: Semiconductor heterostructures form the cornerstone of many electronic and optoelectronic devices and are traditionally fabricated using epitaxial growth techniques. More recently, heterostructures have also been obtained by vertical stacking of two-dimensional crystals, such as graphene and related two-dimensional materials. These layered designer materials are held together by van der Waals forces and contain atomically sharp interfaces. Here, we report on a type-II van der Waals heterojunction made of molybdenum disulfide and tungsten diselenide monolayers. The junction is electrically tunable, and under appropriate gate bias an atomically thin diode is realized. Upon optical illumination, charge transfer occurs across the planar interface and the device exhibits a photovoltaic effect. Advances in large-scale production of two-dimensional crystals could thus lead to a new photovoltaic solar technology.
Editor: Washington, DC: American Chemical Society
Idioma: Inglês

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Photovoltaic Effect in an Electrically Tunable van der Waals Heterojunction

Furchi, Marco M ; Pospischil, Andreas ; Libisch, Florian ; Burgdörfer, Joachim ; Mueller, Thomas

Washington, DC: American Chemical Society

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