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A graphene-Mo2C heterostructure for a highly responsive broadband photodetector
X. Bao; T. Sun; Y. Liu; C. Xu; W. Ma; J. Guo; Y. Zheng; S. B. Nanjunda; H. Liu; Z. Huang; S. Li; S. Lin; G. Xing; W. Ren; Q. Bao and H. Shao
2021
Source PublicationPhysical Chemistry Chemical Physics
ISSN14639076
Volume23Issue:40Pages:23024-23031
AbstractPhotodetectors based on intrinsic graphene can operate over a broad wavelength range with ultrafast response, but their responsivity is much lower than commercial silicon photodiodes. The combination of graphene with two-dimensional (2D) semiconductors may enhance the light absorption, but there is still a cutoff wavelength originating from the bandgap of semiconductors. Here, we report a highly responsive broadband photodetector based on the heterostructure of graphene and transition metal carbides (TMCs, more specifically Mo2C). The graphene-Mo2C heterostructure enhanced light absorption over a broad wavelength range from ultraviolet to infrared. In addition, there is very small resistance for photoexcited carriers in both graphene and Mo2C. Consequently, photodetectors based on the graphene-Mo2C heterostructure deliver a very high responsivity from visible to infrared telecommunication wavelengths. This journal is the Owner Societies.
DOI10.1039/d1cp03536c
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Indexed BySCI ; EI
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Document Type期刊论文
Identifierhttp://ir.ciomp.ac.cn/handle/181722/65277
Collection中国科学院长春光学精密机械与物理研究所
Recommended Citation
GB/T 7714
X. Bao,T. Sun,Y. Liu,et al. A graphene-Mo2C heterostructure for a highly responsive broadband photodetector[J]. Physical Chemistry Chemical Physics,2021,23(40):23024-23031.
APA X. Bao.,T. Sun.,Y. Liu.,C. Xu.,W. Ma.,...&Q. Bao and H. Shao.(2021).A graphene-Mo2C heterostructure for a highly responsive broadband photodetector.Physical Chemistry Chemical Physics,23(40),23024-23031.
MLA X. Bao,et al."A graphene-Mo2C heterostructure for a highly responsive broadband photodetector".Physical Chemistry Chemical Physics 23.40(2021):23024-23031.
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