Journal article
Many-Body Complexes in 2D Semiconductors
Advanced materials (Weinheim), Vol.31(2)
01/01/2019
PMID: 30129218
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Abstract
2D semiconductors such as transition metal dichalcogenides (TMDs) and black phosphorus (BP) are currently attracting great attention due to their intrinsic bandgaps and strong excitonic emissions, making them potential candidates for novel optoelectronic applications. Optoelectronic devices fabricated from 2D semiconductors exhibit many-body complexes (exciton, trion, biexciton, etc.) which determine the materials optical and electrical properties. Characterization and manipulation of these complexes have become a reality due to their enhanced binding energies as a direct result from reduced dielectric screening and enhanced Coulomb interactions in the 2D regime. Furthermore, the atomic thickness and extremely large surface-to-volume ratio of 2D semiconductors allow the possibility of modulating their inherent optical, electrical, and optoelectronic properties using a variety of different environmental stimuli. To fully realize the potential functionalities of these many-body complexes in optoelectronics, a comprehensive understanding of their formation mechanism is essential. A topical and concise summary of the recent frontier research progress related to many-body complexes in 2D semiconductors is provided here. Moreover, detailed discussions covering the aspects of fundamental theory, experimental investigations, modulation of properties, and optoelectronic applications are given. Lastly, personal insights into the current challenges and future outlook of many-body complexes in 2D semiconducting materials are presented.
Details
- Title
- Many-Body Complexes in 2D Semiconductors
- Creators
- Jiajie Pei - Shenzhen UniversityJiong Yang - Shenzhen UniversityTanju Yildirim - Shenzhen UniversityHan Zhang - Shenzhen UniversityYuerui Lu - Australian National University
- Publication Details
- Advanced materials (Weinheim), Vol.31(2)
- Publisher
- Wiley
- Number of pages
- 19
- Grant note
- DE140100805 / Australian Research Council 2017M622764 / China Postdoctoral Science Foundation 61435010 / National Natural Science Foundation of China; National Natural Science Foundation of China (NSFC)
- Identifiers
- 991013160126902368
- Copyright
- © 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
- Academic Unit
- Faculty of Science and Engineering
- Language
- English
- Resource Type
- Journal article