2013
DOI: 10.1038/nnano.2013.219
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Highly efficient gate-tunable photocurrent generation in vertical heterostructures of layered materials

Abstract: Layered materials of graphene and MoS2, for example, have recently emerged as an exciting material system for future electronics and optoelectronics. Vertical integration of layered materials can enable the design of novel electronic and photonic devices. Here, we report highly efficient photocurrent generation from vertical heterostructures of layered materials. We show that vertically stacked graphene–MoS2–graphene and graphene–MoS2–metal junctions can be created with a broad junction area for efficient phot… Show more

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Cited by 1,086 publications
(935 citation statements)
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References 39 publications
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“…Van der Waals (vdW) heterostructures composed of 2D layered materials have been attempted intensively recently due to the novel physical properties covering a wide range of electronic, optical, and optoelectronic systems 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242. Jo and co‐workers130 synthesized polymorphic 2D tin‐sulfides of either p‐type SnS or n‐type SnS 2 via adjusting hydrogen during the process.…”
Section: Preparation Methods and Characterizationsmentioning
confidence: 99%
“…Van der Waals (vdW) heterostructures composed of 2D layered materials have been attempted intensively recently due to the novel physical properties covering a wide range of electronic, optical, and optoelectronic systems 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 240, 241, 242. Jo and co‐workers130 synthesized polymorphic 2D tin‐sulfides of either p‐type SnS or n‐type SnS 2 via adjusting hydrogen during the process.…”
Section: Preparation Methods and Characterizationsmentioning
confidence: 99%
“…A high responsivity of 880 A W −1 at a wavelength of 561 nm based on the photoconduction effect was found in monolayer MoS 2 23. It has been reported that the photocurrent in vertically stacked graphene/MoS 2 (16 nm)/graphene heterostructures can be modulated by the gate bias to achieve high quantum efficiency (MAX EQE = 55%, MAX IQE = 85%) 174. Although TMDs such as MoS 2 , MoSe 2 , WS 2 , and WSe 2 have led to considerable progress in the field of photodetectors, the optoelectronic applications of the TMD family require further in‐depth exploration.…”
Section: Applications For 2d Optoelectronic and Electronic Devicesmentioning
confidence: 99%
“…Furthermore, the carrier mobility of phosphorene is significantly higher than other 2D materials including transition TMDCs. Phosphorene conducts electrons quickly, at a similar rate as that of graphene, but it has a considerable band gap, which is absent in graphene 8, 9, 10, 11, 12. The most striking property of layered BP is its in‐plane anisotropy, i.e., angular‐dependent optical conductivity and carrier mobility 13.…”
Section: Introductionmentioning
confidence: 99%
“…The monolayer of BP, known as phosphorene, exhibits physical properties that can be significantly different from those of its bulk counterpart 16. Phosphorene has changed the landscape of many research areas in science and technology, particularly in condensed matter physics, and it has received much attention recently for its use as the base component of novel nanodevices, e.g., transistors, nanomechanical resonators, photovoltaics, photodetectors, batteries and sensors 9, 10, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37…”
Section: Introductionmentioning
confidence: 99%