中国科学院长春光学精密机械与物理研究所

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	Composition-Triggered Growth of Monolayer MoTe2(1−x)S2x Alloys with Coherent Phase Interfaces for High-Performance Broadband Photodetection
	X. J. Wang, M. J. Zhu, H. Pan, X. Yang, Z. Q. Hua, S. S. Chen, S. J. Li, H. B. Shu, J. Zhang and Q. L. Feng
	2024
发表期刊	Advanced Functional Materials
ISSN	1616-301X
卷号	34期号:6页码:9
摘要	2D transitional metal dichalcogenides (TMDs) have attracted great interest for their advantageous application in room-temperature broadband photodetectors. Developing effective strategies to optimize the photo-carrier dynamical process of monolayer TMDs is still urgently necessary to extend wavelength range and reduce dark current due to the theoretical limitation of their intrinsic band structure. Herein, an interesting approach is reported to realize broadband photodetection from 532 to 1550 nm with low dark current for the first time by using composition-triggered growth of coherent atomic structures of enriched nanoscale mix-phase (2H/1T') monolayer MoTe2(1-x)S2x alloys. The morphology and phase evolution at the nanoscale of monolayer MoTe(2(1-x))S(2x )alloys are elucidated as affected by tiny formation energy (Delta E) by the chemical composition of S/Te atoms triggered. As-grown enriched nanoscale mix-phase (2H/1T') of monolayer MoTe2(1-x)S2x alloys devices exhibit typical n-type conductivity properties. More interestingly, the devices show an extended photo-response range from 532 to 1550 nm with reduced dark current to 10(-10) A at 100 mV bias voltage. This work demonstrates that coherent atomic structure of enriched nanoscale mix-phase (2H/1T ' ) monolayer TMDs alloys can be an alternative approach to obviously extend photo-response wavelength range without increasing dark current for room temperature broadband photodetection.
DOI	10.1002/adfm.202310066
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收录类别	sci
语种	英语
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文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/67978
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	X. J. Wang, M. J. Zhu, H. Pan, X. Yang, Z. Q. Hua, S. S. Chen, S. J. Li, H. B. Shu, J. Zhang and Q. L. Feng. Composition-Triggered Growth of Monolayer MoTe2(1−x)S2x Alloys with Coherent Phase Interfaces for High-Performance Broadband Photodetection[J]. Advanced Functional Materials,2024,34(6):9.
APA	X. J. Wang, M. J. Zhu, H. Pan, X. Yang, Z. Q. Hua, S. S. Chen, S. J. Li, H. B. Shu, J. Zhang and Q. L. Feng.(2024).Composition-Triggered Growth of Monolayer MoTe2(1−x)S2x Alloys with Coherent Phase Interfaces for High-Performance Broadband Photodetection.Advanced Functional Materials,34(6),9.
MLA	X. J. Wang, M. J. Zhu, H. Pan, X. Yang, Z. Q. Hua, S. S. Chen, S. J. Li, H. B. Shu, J. Zhang and Q. L. Feng."Composition-Triggered Growth of Monolayer MoTe2(1−x)S2x Alloys with Coherent Phase Interfaces for High-Performance Broadband Photodetection".Advanced Functional Materials 34.6(2024):9.

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