Defect-Dependent Surface Phase Transformation on 1T-TiS2 Assisted by Water

doi:10.1021/acs.jpcc.2c08140

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	Defect-Dependent Surface Phase Transformation on 1T-TiS2 Assisted by Water
	X. Chen, M. Song, L. J. Zhang, R. R. Zhang, L. Zhang, W. Tong, Y. Y. Han, X. Y. Gao, Y. M. Xiong, H. Xu and L. Cao
刊名	Journal of Physical Chemistry C
	2023
页码	8
ISSN号	1932-7447
DOI	10.1021/acs.jpcc.2c08140
英文摘要	The phase transformation from the TiS2 to TiS on the surface of bulk 1T-TiS2 crystals is achieved by thermal vacuum annealing. This is demonstrated by a combination of photo emission spectroscopy, electron paramagnetic resonance spectroscopy, and Raman spectroscopy. The chemical interaction between TiS2 and surface-adsorbed H2O molecules is expected to assist this transformation. Especially, the transformation temperature is found to depend on the natural defects present in the TiS2 crystals. Ti interstitial (Tii) and S vacancy (Sv) defects hinder TiS2 to TiS transformation, whereas Ti-OH species facilitate the phase transformation. These results not only provide a valuable insight into the water-assisted phase transformation modulated by defects but also highlight a potential strategy for designing an unusual TiS2-TiS heterostructure through a combination of phase and defect engineering.
URL标识	查看原文
语种	英语
内容类型	期刊论文
源URL	[http://ir.ciomp.ac.cn/handle/181722/67381]
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. Chen, M. Song, L. J. Zhang, R. R. Zhang, L. Zhang, W. Tong, Y. Y. Han, X. Y. Gao, Y. M. Xiong, H. Xu and L. Cao. Defect-Dependent Surface Phase Transformation on 1T-TiS2 Assisted by Water[J]. Journal of Physical Chemistry C,2023:8.
APA	X. Chen, M. Song, L. J. Zhang, R. R. Zhang, L. Zhang, W. Tong, Y. Y. Han, X. Y. Gao, Y. M. Xiong, H. Xu and L. Cao.(2023).Defect-Dependent Surface Phase Transformation on 1T-TiS2 Assisted by Water.Journal of Physical Chemistry C,8.
MLA	X. Chen, M. Song, L. J. Zhang, R. R. Zhang, L. Zhang, W. Tong, Y. Y. Han, X. Y. Gao, Y. M. Xiong, H. Xu and L. Cao."Defect-Dependent Surface Phase Transformation on 1T-TiS2 Assisted by Water".Journal of Physical Chemistry C (2023):8.