Journal
CHEMISTRY OF MATERIALS
Volume 28, Issue 7, Pages 1994-1999Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.chemmater.5b03557
Keywords
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Funding
- MRSEC [NSF-DMR1121053]
- ConvEne-IGERT Program [NSF-DGE 0801627]
- NSF [DMR-1505817, TG-DMR130005, CNS-0960316]
- National Science Foundation of China [NSFC 11274036, NSFC 11322542]
- Ministry of Science and Technology of China [MOST 2014CB848701]
- CNSI
- MRL
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In comparison with conventional semiconductors, most two-dimensional semiconductor (2DSC) materials are dissimilar in structure and composition. Herein, we use electron-counting rules to propose a large family of 2DSCs, which all adopt the same structure and are composed of solely main group elements. Advanced density functional theory calculations are used to predict a number of novel 2DSCs, and we show that they span a large range of lattice constants, band gaps, and band edge states. As a result, they are good candidate materials for heterojunctions. This family of two-dimensional materials may be instrumental in the fabrication of 2DSC devices that may rival the currently employed 3D semiconductors.
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