期刊
ADVANCED OPTICAL MATERIALS
卷 6, 期 19, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.201800365
关键词
bandgap engineering; black phosphorus; linear dichroism; optoelectronic devices; photonics
资金
- National Science Foundation EFRI-2DARE program
- Office of Naval Research Young Investigator Program (ONR-YIP)
- European Research Council (ERC) under the European Union's Horizon 2020 research and innovation programme [755655]
- Netherlands Organisation for Scientific Research (NWO)
Recent years have witnessed the rapidly growing interests in the rediscovered black phosphorus (BP), an elemental group-V layered material with very high carrier mobility among all semiconducting layered materials. As a layered semiconductor, the bandgap of intrinsic BP varies from approximate to 0.3 to 2 eV depending on the thickness. This bandgap value can be tuned to below 50 meV by a moderate external electric field. Adsorption doping and external pressure can also effectively modify its bandgap. The largely tunable bandgap of BP makes it a promising material for infrared optics. Moreover, its unique puckered structure leads to the anisotropic in-plane properties, making it ideal for the exploration of exotic physical phenomena and the realization of novel devices. Here, the fundamental optical properties are reviewed and latest developments on BP photonic and optoelectronic devices are discussed.
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