Journal
ACS NANO
Volume 8, Issue 2, Pages 1102-1120Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn500064s
Keywords
molybdenum disulfide; digital electronics; field-effect transistor; van der Waals heterostructure; nanoelectronics; optoelectronics; flexible electronics; valleytronics; photodetector; photovoltaic; solar cell; light-emitting diode; sensor
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Funding
- Materials Research Science and Engineering Center (MRSEC) of Northwestern University (National Science Foundation) [DMR-1121262]
- Office of Naval Research Multidisciplinary University Research Initiative [N00014-11-1-0690]
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With advances in exfoliation and synthetic techniques, atomically thin films of semiconducting transition metal dichalcogenides have recently been isolated and characterized. Their two-dimensional structure, coupled with a direct band gap in the visible portion of the electromagnetic spectrum, suggests suitability for digital electronics and optoelectronics. Toward that end, several classes of high-performance devices have been reported along with significant progress in understanding their physical properties. Here, we present a review of the architecture, operating principles, and physics of electronic and optoelectronic devices based on ultrathin transition metal dichalcogenide semiconductors. By critically assessing and comparing the performance of these devices with competing technologies, the merits and shortcomings of this emerging class of electronic materials are identified, thereby providing a roadmap for future development.
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